By Ainvest 
                    in
                    block-monitor 
                β
                28 Jul 2025 
             
            π Block Monitor End-of-Day Trading Summary - 2025-07-28 
                Daily block monitor analysis featuring institutional trading activity and market movements. Educational content for investment research purposes only.
                     
        
            
    
        π
        End-of-Day Trading Summary:  This report analyzes COMPLETED trades from the previous trading session. This is historical institutional options flow data and should not be used for real-time trading decisions.
     
    
        β οΈ
        Investment Disclaimer:  This report is for informational and educational purposes only and does not constitute investment advice. Past institutional activity does not predict future moves. Options trading involves significant risk of loss. Please consult with a financial advisor before making investment decisions.
     
    
        π‘
        How to Read This Report:  This analysis shows unusual options activity, including large trades, multi-leg strategies, and potential market sentiment signals. High volume relative to open interest often indicates significant institutional activity. Use this data for market research and educational purposes, not as trading signals.
     
    
        π―
        For Retail Investors:  Use this data to understand market sentiment, identify institutional attention on specific stocks/sectors, research potential support/resistance levels, and learn about professional options strategies. Do NOT copy trades blindly - context and timing matter significantly.
     
    
    
        π Executive Summary 
        
            
                
                
                    $1,388,403,822
                    Total Premium Value
                 
                
                
                    728,906
                    Calls vs 378,094 Puts
                 
             
            
                
                    Total Trades 
                    161 
                
                
                    Total Volume 
                    1,107,000 
                
                
                    Total Turnover 
                    $1,388,403,822 
                
             
         
     
    
        
            π Top Tickers by Premium Value 
        
            
                
                    #1 NVDA  - $556,277,212 Total Premium π’ 
                 
                
                
                    
                        π Volume Analysis 
                        
                            Total Volume: 199,717 contracts
                            Average Trade Size: 7397 contracts
                            Largest Trade: 109,000 contracts
                            Current Stock Price: $174.94
                         
                     
                    
                    
                        π° Premium Analysis 
                        
                            Total Premium: $556,277,212
                            Bullish Premium: $248,680
                            Bearish Premium: $333,675,205
                            π Bearish ($333,426,525) 
                         
                     
                    
                    
                        π Sentiment Flow 
                        
                            Call/Put Ratio: 1.00 π’
                            Buy/Sell Ratio: 0.00 π
                            OTM Volume: 0 contracts
                         
                     
                    
                    
                        π― Unusual Activity 
                        
                            Unusual Trades: 2
                            Large Premium Trades: 10
                            Peak Trading Hour: 11:00 ET
                         
                     
                 
            
                
                    π₯ Top Trades by Premium 
                    
                
                        
                            1. π SELL 90,000x $140 CALL  2025-09-19 (ITM)  π¨
                            Premium: $333,450,000 | Price: $37.05
                            Time: 2025-07-28 10:26:54 ET
                        
 
                    
                        
                            2. π UNKNOWN 109,000x $160 CALL  2025-09-19 (ITM)  π¨
                            Premium: $220,725,000 | Price: $20.25
                            Time: 2025-07-28 10:26:54 ET
                        
 
                    
                        
                            3. π UNKNOWN 150x $140 CALL  2025-09-19 (ITM)  π¨
                            Premium: $569,700 | Price: $37.98
                            Time: 2025-07-28 14:54:03 ET
                        
 
                    
                     
                 
                
                
                    π Multi-Leg Strategies Detected 
                    
                
                        
                            Call Spread  - Total Premium: $554,175,000
                            Time: 2025-07-28 10:26:54 ET
                            
 
                        
                            Multi-Leg  - Total Premium: $190,950
                            Time: 2025-07-28 11:55:41 ET
                            
 
                     
                 
                
                
             
            
            
                
                    #2 TSM  - $293,933,811 Total Premium π’ 
                 
                
                
                    
                        π Volume Analysis 
                        
                            Total Volume: 110,095 contracts
                            Average Trade Size: 13762 contracts
                            Largest Trade: 55,000 contracts
                            Current Stock Price: $242.46
                         
                     
                    
                    
                        π° Premium Analysis 
                        
                            Total Premium: $293,933,811
                            Bullish Premium: $128,183,975
                            Bearish Premium: $88,875
                            π Bullish ($128,095,100) 
                         
                     
                    
                    
                        π Sentiment Flow 
                        
                            Call/Put Ratio: 1.00 π’
                            Buy/Sell Ratio: 1.00 π
                            OTM Volume: 0 contracts
                         
                     
                    
                    
                        π― Unusual Activity 
                        
                            Unusual Trades: 2
                            Large Premium Trades: 2
                            Peak Trading Hour: 11:00 ET
                         
                     
                 
            
                
                    π₯ Top Trades by Premium 
                    
                
                        
                            1. π UNKNOWN 55,000x $220 CALL  2025-10-17 (ITM)  π¨
                            Premium: $165,550,000 | Price: $30.10
                            Time: 2025-07-28 11:03:35 ET
                        
 
                    
                        
                            2. π BUY 55,000x $230 CALL  2025-10-17 (ITM)  π¨
                            Premium: $128,150,000 | Price: $23.30
                            Time: 2025-07-28 11:03:35 ET
                        
 
                    
                        
                            3. π SELL 25x $230 CALL  2025-10-17 (ITM) 
                            Premium: $58,375 | Price: $23.35
                            Time: 2025-07-28 14:32:50 ET
                        
 
                    
                     
                 
                
                
                    π Multi-Leg Strategies Detected 
                    
                
                        
                            Call Spread  - Total Premium: $293,700,000
                            Time: 2025-07-28 11:03:35 ET
                            
 
                        
                            Multi-Leg  - Total Premium: $83,952
                            Time: 2025-07-28 15:11:17 ET
                            
 
                     
                 
                
                
             
            
            
                
                    #3 ORCL  - $199,779,447 Total Premium π’ 
                 
                
                
                    
                        π Volume Analysis 
                        
                            Total Volume: 40,115 contracts
                            Average Trade Size: 6686 contracts
                            Largest Trade: 40,000 contracts
                            Current Stock Price: $244.56
                         
                     
                    
                    
                        π° Premium Analysis 
                        
                            Total Premium: $199,779,447
                            Bullish Premium: $25,500
                            Bearish Premium: $199,200,000
                            π Bearish ($199,174,500) 
                         
                     
                    
                    
                        π Sentiment Flow 
                        
                            Call/Put Ratio: 1.00 π’
                            Buy/Sell Ratio: 0.00 π
                            OTM Volume: 0 contracts
                         
                     
                    
                    
                        π― Unusual Activity 
                        
                            Unusual Trades: 1
                            Large Premium Trades: 2
                            Peak Trading Hour: 10:00 ET
                         
                     
                 
            
                
                    π₯ Top Trades by Premium 
                    
                
                        
                            1. π SELL 40,000x $200 CALL  2025-10-17 (ITM)  π¨
                            Premium: $199,200,000 | Price: $49.80
                            Time: 2025-07-28 10:47:19 ET
                        
 
                    
                        
                            2. π UNKNOWN 93x $200 CALL  2025-10-17 (ITM)  π¨
                            Premium: $466,767 | Price: $50.19
                            Time: 2025-07-28 10:58:32 ET
                        
 
                    
                        
                            3. π UNKNOWN 6x $200 CALL  2025-10-17 (ITM) 
                            Premium: $31,074 | Price: $51.79
                            Time: 2025-07-28 14:11:21 ET
                        
 
                    
                     
                 
                
                
                    π Multi-Leg Strategies Detected 
                    
                
                        
                            Multi-Leg  - Total Premium: $496,863
                            Time: 2025-07-28 10:58:32 ET
                            
 
                     
                 
                
                
             
            
            
                
                    #4 AMZN  - $156,668,157 Total Premium π’ 
                 
                
                
                    
                        π Volume Analysis 
                        
                            Total Volume: 45,235 contracts
                            Average Trade Size: 2827 contracts
                            Largest Trade: 27,300 contracts
                            Current Stock Price: $233.64
                         
                     
                    
                    
                        π° Premium Analysis 
                        
                            Total Premium: $156,668,157
                            Bullish Premium: $68,350
                            Bearish Premium: $337,495
                            π Bearish ($269,145) 
                         
                     
                    
                    
                        π Sentiment Flow 
                        
                            Call/Put Ratio: 1.00 π’
                            Buy/Sell Ratio: 0.17 π
                            OTM Volume: 0 contracts
                         
                     
                    
                    
                        π― Unusual Activity 
                        
                            Unusual Trades: 2
                            Large Premium Trades: 3
                            Peak Trading Hour: 10:00 ET
                         
                     
                 
            
                
                    π₯ Top Trades by Premium 
                    
                
                        
                            1. π UNKNOWN 27,300x $200 CALL  2025-08-15 (ITM)  π¨
                            Premium: $94,567,200 | Price: $34.64
                            Time: 2025-07-28 10:10:17 ET
                        
 
                    
                        
                            2. π UNKNOWN 17,700x $200 CALL  2025-08-15 (ITM)  π¨
                            Premium: $61,295,100 | Price: $34.63
                            Time: 2025-07-28 10:10:17 ET
                        
 
                    
                        
                            3. π SELL 33x $200 CALL  2025-08-15 (ITM)  π¨
                            Premium: $115,170 | Price: $34.90
                            Time: 2025-07-28 10:49:58 ET
                        
 
                    
                     
                 
                
                
                    π Multi-Leg Strategies Detected 
                    
                
                        
                            Multi-Leg  - Total Premium: $155,862,300
                            Time: 2025-07-28 10:10:17 ET
                            
 
                        
                            Multi-Leg  - Total Premium: $307,120
                            Time: 2025-07-28 10:49:58 ET
                            
 
                     
                 
                
                
             
            
            
                
                    #5 MSTR  - $106,817,490 Total Premium π’ 
                 
                
                
                    
                        π Volume Analysis 
                        
                            Total Volume: 35,925 contracts
                            Average Trade Size: 11975 contracts
                            Largest Trade: 34,925 contracts
                            Current Stock Price: $408.71
                         
                     
                    
                    
                        π° Premium Analysis 
                        
                            Total Premium: $106,817,490
                            Bullish Premium: $25,650
                            Bearish Premium: $2,715,340
                            π Bearish ($2,689,690) 
                         
                     
                    
                    
                        π Sentiment Flow 
                        
                            Call/Put Ratio: 1.00 π’
                            Buy/Sell Ratio: 0.01 π
                            OTM Volume: 0 contracts
                         
                     
                    
                    
                        π― Unusual Activity 
                        
                            Unusual Trades: 1
                            Large Premium Trades: 2
                            Peak Trading Hour: 11:00 ET
                         
                     
                 
            
                
                    π₯ Top Trades by Premium 
                    
                
                        
                            1. π UNKNOWN 34,925x $390 CALL  2025-08-15 (ITM)  π¨
                            Premium: $104,076,500 | Price: $29.80
                            Time: 2025-07-28 11:47:23 ET
                        
 
                    
                        
                            2. π SELL 991x $390 CALL  2025-08-15 (ITM)  π¨
                            Premium: $2,715,340 | Price: $27.40
                            Time: 2025-07-28 14:24:32 ET
                        
 
                    
                        
                            3. π BUY 9x $390 CALL  2025-08-15 (ITM) 
                            Premium: $25,650 | Price: $28.50
                            Time: 2025-07-28 15:25:03 ET
                        
 
                    
                     
                 
                
                
             
             
        
            π¨ Most Unusual Trades of the Day 
            
        
            
                
                    #1 NVDA  NVDA 20250919 140 CALL π 
                 
                
                    
                        SELL  90,000 contracts @ $37.05 
                    
                    
                        Spot Price:  $174.94
                    
                    
                        Strike:  $140.00
                    
                    
                        Expiration:  2025-09-19 
                    
                    
                        Premium Value:  $333,450,000 
                    
                    
                        Moneyness:  ITM (25.0%)
                    
                    
                        Unusual Factors:  π₯ 85.1% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:26:54 ET
                    
                 
                
             
            
            
                
                    #2 NVDA  NVDA 20250919 160 CALL π 
                 
                
                    
                        UNKNOWN  109,000 contracts @ $20.25 
                    
                    
                        Spot Price:  $175.03
                    
                    
                        Strike:  $160.00
                    
                    
                        Expiration:  2025-09-19 
                    
                    
                        Premium Value:  $220,725,000 
                    
                    
                        Moneyness:  ITM (9.4%)
                    
                    
                        Unusual Factors:  π₯ 136.1% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:26:54 ET
                    
                 
                
             
            
            
                
                    #3 ORCL  ORCL 20251017 200 CALL π 
                 
                
                    
                        SELL  40,000 contracts @ $49.80 
                    
                    
                        Spot Price:  $244.56
                    
                    
                        Strike:  $200.00
                    
                    
                        Expiration:  2025-10-17 
                    
                    
                        Premium Value:  $199,200,000 
                    
                    
                        Moneyness:  ITM (22.3%)
                    
                    
                        Unusual Factors:  π₯ 96.7% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:47:19 ET
                    
                 
                
             
            
            
                
                    #4 TSM  TSM 20251017 220 CALL π 
                 
                
                    
                        UNKNOWN  55,000 contracts @ $30.10 
                    
                    
                        Spot Price:  $242.44
                    
                    
                        Strike:  $220.00
                    
                    
                        Expiration:  2025-10-17 
                    
                    
                        Premium Value:  $165,550,000 
                    
                    
                        Moneyness:  ITM (10.2%)
                    
                    
                        Unusual Factors:  π₯ 95.1% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 11:03:35 ET
                    
                 
                
             
            
            
                
                    #5 TSM  TSM 20251017 230 CALL π 
                 
                
                    
                        BUY  55,000 contracts @ $23.30 
                    
                    
                        Spot Price:  $242.46
                    
                    
                        Strike:  $230.00
                    
                    
                        Expiration:  2025-10-17 
                    
                    
                        Premium Value:  $128,150,000 
                    
                    
                        Moneyness:  ITM (5.4%)
                    
                    
                        Unusual Factors:  π₯ 1324.3% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 11:03:35 ET
                    
                 
                
             
            
            
                
                    #6 MSTR  MSTR 20250815 390 CALL π 
                 
                
                    
                        UNKNOWN  34,925 contracts @ $29.80 
                    
                    
                        Spot Price:  $408.71
                    
                    
                        Strike:  $390.00
                    
                    
                        Expiration:  2025-08-15 
                    
                    
                        Premium Value:  $104,076,500 
                    
                    
                        Moneyness:  ITM (4.8%)
                    
                    
                        Unusual Factors:  π₯ 98.4% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 11:47:23 ET
                    
                 
                
             
            
            
                
                    #7 AMZN  AMZN 20250815 200 CALL π 
                 
                
                    
                        UNKNOWN  27,300 contracts @ $34.64 
                    
                    
                        Spot Price:  $233.64
                    
                    
                        Strike:  $200.00
                    
                    
                        Expiration:  2025-08-15 
                    
                    
                        Premium Value:  $94,567,200 
                    
                    
                        Moneyness:  ITM (16.8%)
                    
                    
                        Unusual Factors:  π₯ 52.6% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:10:17 ET
                    
                 
                
             
            
            
                
                    #8 AMZN  AMZN 20250815 200 CALL π 
                 
                
                    
                        UNKNOWN  17,700 contracts @ $34.63 
                    
                    
                        Spot Price:  $233.64
                    
                    
                        Strike:  $200.00
                    
                    
                        Expiration:  2025-08-15 
                    
                    
                        Premium Value:  $61,295,100 
                    
                    
                        Moneyness:  ITM (16.8%)
                    
                    
                        Unusual Factors:  π₯ 34.1% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:10:17 ET
                    
                 
                
             
            
            
                
                    #9 XLB  XLB 20250919 100 CALL π 
                 
                
                    
                        UNKNOWN  22,500 contracts @ $0.27 
                    
                    
                        Spot Price:  $91.53
                    
                    
                        Strike:  $100.00
                    
                    
                        Expiration:  2025-09-19 
                    
                    
                        Premium Value:  $607,500 
                    
                    
                        Moneyness:  OTM (-8.5%)
                    
                    
                        Unusual Factors:  π₯ 5408.7% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 10:19:26 ET
                    
                 
                
             
            
            
                
                    #10 IWM  IWM 20250829 220 PUT π 
                 
                
                    
                        UNKNOWN  30,676 contracts @ $3.66 
                    
                    
                        Spot Price:  $223.90
                    
                    
                        Strike:  $220.00
                    
                    
                        Expiration:  2025-08-29 
                    
                    
                        Premium Value:  $11,227,416 
                    
                    
                        Moneyness:  ATM (1.8%)
                    
                    
                        Unusual Factors:  π₯ 99.1% of OI, π° Large Premium
                    
                    
                        Time:  2025-07-28 13:56:14 ET
                    
                 
                
             
              
            
                π Multi-Leg Strategy Analysis 
                
            
                
                    AMZN Strategies: 
                
                    
                        Multi-Leg 
                        Complex strategy with multiple option legs
                        Profits when: Depends on specific leg combination
                    
                        
                            π Market Bias:  Neutral-Bearish 
                            View:  Call selling suggests range-bound or bearish 
                            Volatility Bet:  Low volatility 
                            π Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $200, $200 
                        
                        Strategy Legs  (Total Premium: $155,862,300):
β’ UNKNOWN 27,300x 
$200 CALL  @ $34.64
β’ UNKNOWN 17,700x 
$200 CALL  @ $34.63
  
                
                    SMCI Strategies: 
                
                    
                        Call Spread 
                        Bullish strategy betting on moderate upside
                        Profits when: Stock rises above the short call strike
                    
                        
                            π Market Bias:  Neutral-Bullish 
                            View:  Directional call play 
                            Volatility Bet:  Medium volatility 
                            π Complex Call Strategy: Mixed positioning with strikes at $55 and $55 
                        
                        Strategy Legs  (Total Premium: $103,941):
β’ UNKNOWN 143x 
$55 CALL  @ $4.87
β’ BUY 70x 
$55 CALL  @ $4.90
 
                    
                        Multi-Leg 
                        Complex strategy with multiple option legs
                        Profits when: Depends on specific leg combination
                    
                        
                            π Market Bias:  Neutral-Bearish 
                            View:  Call selling suggests range-bound or bearish 
                            Volatility Bet:  Low volatility 
                            π Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $55, $55, $55 
                        
                        Strategy Legs  (Total Premium: $6,864,488):
β’ UNKNOWN 11,179x 
$55 CALL  @ $3.98
β’ UNKNOWN 11,179x 
$62 CALL  @ $0.74
β’ UNKNOWN 2,000x 
$55 CALL  @ $3.97
β’ UNKNOWN 2,000x 
$55 CALL  @ $3.97
  
                
                    TSM Strategies: 
                
                    
                        Multi-Leg 
                        Complex strategy with multiple option legs
                        Profits when: Depends on specific leg combination
                    
                        
                            π Market Bias:  Neutral-Bearish 
                            View:  Call selling suggests range-bound or bearish 
                            Volatility Bet:  Low volatility 
                            π Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $230, $230 
                        
                        Strategy Legs  (Total Premium: $83,952):
β’ UNKNOWN 18x 
$230 CALL  @ $23.32
β’ UNKNOWN 18x 
$230 CALL  @ $23.32
 
                    
                        Call Spread 
                        Bullish strategy betting on moderate upside
                        Profits when: Stock rises above the short call strike
                    
                        
                            π Market Bias:  Neutral-Bullish 
                            View:  Directional call play 
                            Volatility Bet:  Medium volatility 
                            π Complex Call Strategy: Mixed positioning with strikes at $220 and $230 
                        
                        Strategy Legs  (Total Premium: $293,700,000):
β’ UNKNOWN 55,000x 
$220 CALL  @ $30.10
β’ BUY 55,000x 
$230 CALL  @ $23.30
  
                
                    IWM Strategies: 
                
                    
                        Multi-Leg 
                        Complex strategy with multiple option legs
                        Profits when: Depends on specific leg combination
                    
                        
                            π Market Bias:  Bearish 
                            View:  Put-heavy buying suggests downside expectation 
                            Volatility Bet:  Medium volatility 
                            π Put-Heavy Strategy: More put buying suggests bearish sentiment. Multiple strikes: $220, $220, $220 
                        
                         
                    
                        Put Spread 
                        Bearish strategy betting on moderate downside
                        Profits when: Stock falls below the short put strike
                    
                        
                            π Market Bias:  Neutral-Bearish 
                            View:  Directional put play 
                            Volatility Bet:  Medium volatility 
                            π Complex Put Strategy: Mixed positioning with strikes at $216 and $218 
                        
                        Strategy Legs  (Total Premium: $4,738,800):
β’ UNKNOWN 15,600x 
$216 PUT  @ $1.53
β’ BUY 12,000x 
$218 PUT  @ $1.96
  
                
                    HYG Strategies: 
                
                    
                        Put Spread 
                        Bearish strategy betting on moderate downside
                        Profits when: Stock falls below the short put strike
                    
                        
                            π Market Bias:  Neutral-Bearish 
                            View:  Directional put play 
                            Volatility Bet:  Medium volatility 
                            π Complex Put Strategy: Mixed positioning with strikes at $69 and $69 
                        
                        Strategy Legs  (Total Premium: $20,000):
β’ UNKNOWN 5,000x 
$69 PUT  @ $0.02
β’ SELL 10,000x 
$69 PUT  @ $0.01
    
        
            π Market Sentiment Analysis 
            
                Overall Market Direction: 
                
                    
                        $137,656,066
                        Bullish Premium
                     
                    
                        $554,757,546
                        Bearish Premium
                     
                    
                        π Bearish
                        $417,101,480
                     
                 
                
                Key Insights: 
                
                    
                        Most Bullish Flow:  MSTR  (call/put ratio: 1.00)
                    
 
                    
                        Most Bearish Flow:  XLF  (call/put ratio: 0.00)
                    
 
                    
                        Total Unusual Volume Trades:  76 (high volume relative to OI)
                    
                    
                        Total Large Premium Trades:  68 (>$100k premium value)
                    
                 
             
         
        
    
        π How Retail Investors Can Use This Data 
        
            
                
                    π Market Sentiment Analysis 
                    
                        Heavy call buying = potential bullish sentiment 
                        Large put activity = potential hedging or bearish sentiment 
                        Use to gauge institutional mood, not as buy/sell signals 
                     
                 
                
                    π― Support/Resistance Research 
                    
                        High volume strikes may act as magnets 
                        Multiple institutions trading same strikes = potential levels 
                        Combine with technical analysis for confluence 
                     
                 
                
                    π Sector Rotation Insights 
                    
                        Which sectors are getting institutional attention? 
                        Compare activity across different industries 
                        Look for shifts in institutional focus over time 
                     
                 
                
                    π Education & Strategy Learning 
                    
                        Study how professionals structure trades 
                        Learn about different options strategies 
                        Understand risk management techniques 
                     
                 
             
            
                β οΈ Critical Reminder 
                This is historical data for learning, not real-time trading signals!
                Always do your own research and consult a financial advisor before making investment decisions.
             
         
     
    
    
        π― Key Takeaways for Retail Traders 
        
            
                π
 Data Timing & Usage Guidelines 
                End-of-Day Analysis:  This report summarizes completed trades from the previous trading session
                Best Use:  Market research, sentiment analysis, and educational purposes
                Not For:  Real-time trading decisions or copy trading strategies
             
            
                
                    π₯ High Unusual Activity:  Multiple trades with volume exceeding 10% of OI suggest institutional positioning for research
                
                
                    π° Large Premium Trades:  Significant capital deployment indicates strong institutional conviction - study the context
                
                
                    π Most Bullish Flow:  MSTR  - research why institutions are positioning bullishly
                
 
                
                    π Most Bearish Flow:  XLF  - understand the bearish sentiment drivers
                
 
             
            
                Remember: Use this data as ONE piece of your research puzzle, not as standalone trading signals!