By Ainvest
in
block-monitor
β
31 Jul 2025
π Block Monitor End-of-Day Trading Summary - 2025-07-31
Daily block monitor analysis featuring institutional trading activity and market movements. Educational content for investment research purposes only.
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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.
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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.
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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.
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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
$769,046,194
Total Premium Value
922,704
Calls vs 1,308,192 Puts
Total Trades
429
Total Volume
2,230,896
Total Turnover
$769,046,194
π Top Tickers by Premium Value
#1 QQQ - $224,400,000 Total Premium π΄
π Volume Analysis
Total Volume: 120,000 contracts
Average Trade Size: 120000 contracts
Largest Trade: 120,000 contracts
Current Stock Price: $566.00
π° Premium Analysis
Total Premium: $224,400,000
Bullish Premium: $0
Bearish Premium: $224,400,000
π Bearish ($224,400,000)
π Sentiment Flow
Call/Put Ratio: 0.00 π΄
Buy/Sell Ratio: 1.00 π
OTM Volume: 120,000 contracts
π― Unusual Activity
Unusual Trades: 1
Large Premium Trades: 1
Peak Trading Hour: 14:00 ET
π₯ Top Trades by Premium
1. π BUY 120,000x $545 PUT 2026-01-16 (OTM) π¨
Premium: $224,400,000 | Price: $18.70
Time: 2025-07-31 14:24:58 ET
#2 IWM - $111,192,520 Total Premium π΄
π Volume Analysis
Total Volume: 388,349 contracts
Average Trade Size: 3082 contracts
Largest Trade: 36,000 contracts
Current Stock Price: $220.97
π° Premium Analysis
Total Premium: $111,192,520
Bullish Premium: $19,576,985
Bearish Premium: $14,514,389
π Bullish ($5,062,596)
π Sentiment Flow
Call/Put Ratio: 0.00 π΄
Buy/Sell Ratio: 0.48 β‘οΈ
OTM Volume: 388,349 contracts
π― Unusual Activity
Unusual Trades: 37
Large Premium Trades: 73
Peak Trading Hour: 9:00 ET
π₯ Top Trades by Premium
1. π UNKNOWN 36,000x $211 PUT 2025-09-19 (OTM) π¨
Premium: $12,996,000 | Price: $3.61
Time: 2025-07-31 09:44:06 ET
2. π UNKNOWN 36,000x $209 PUT 2025-09-19 (OTM) π¨
Premium: $11,412,000 | Price: $3.17
Time: 2025-07-31 09:44:06 ET
3. π UNKNOWN 17,500x $210 PUT 2025-09-19 (OTM) π¨
Premium: $6,930,000 | Price: $3.96
Time: 2025-07-31 14:18:18 ET
π Multi-Leg Strategies Detected
Multi-Leg - Total Premium: $27,138,000
Time: 2025-07-31 09:44:06 ET
Multi-Leg - Total Premium: $26,932,500
Time: 2025-07-31 14:18:18 ET
#3 CVNA - $105,237,580 Total Premium π’
π Volume Analysis
Total Volume: 20,045 contracts
Average Trade Size: 3341 contracts
Largest Trade: 20,000 contracts
Current Stock Price: $389.24
π° Premium Analysis
Total Premium: $105,237,580
Bullish Premium: $26,400
Bearish Premium: $105,500
π Bearish ($79,100)
π Sentiment Flow
Call/Put Ratio: 1.00 π’
Buy/Sell Ratio: 0.20 π
OTM Volume: 0 contracts
π― Unusual Activity
Unusual Trades: 1
Large Premium Trades: 1
Peak Trading Hour: 14:00 ET
π₯ Top Trades by Premium
1. π UNKNOWN 20,000x $350 CALL 2025-09-19 (ITM) π¨
Premium: $105,000,000 | Price: $52.50
Time: 2025-07-31 14:28:55 ET
2. π UNKNOWN 10x $350 CALL 2025-09-19 (ITM)
Premium: $52,850 | Price: $52.85
Time: 2025-07-31 14:33:52 ET
3. π UNKNOWN 10x $350 CALL 2025-09-19 (ITM)
Premium: $52,830 | Price: $52.83
Time: 2025-07-31 14:35:11 ET
π Multi-Leg Strategies Detected
Call Spread - Total Premium: $105,650
Time: 2025-07-31 14:33:52 ET
#4 TLT - $53,674,800 Total Premium π’
π Volume Analysis
Total Volume: 172,850 contracts
Average Trade Size: 11523 contracts
Largest Trade: 21,025 contracts
Current Stock Price: $87.28
π° Premium Analysis
Total Premium: $53,674,800
Bullish Premium: $18,290,000
Bearish Premium: $4,475,700
π Bullish ($13,814,300)
π Sentiment Flow
Call/Put Ratio: 1.00 π’
Buy/Sell Ratio: 0.54 β‘οΈ
OTM Volume: 0 contracts
π― Unusual Activity
Unusual Trades: 11
Large Premium Trades: 15
Peak Trading Hour: 14:00 ET
π₯ Top Trades by Premium
1. π UNKNOWN 21,025x $84 CALL 2025-08-01 (ITM) π¨
Premium: $7,463,875 | Price: $3.55
Time: 2025-07-31 14:33:42 ET
2. π BUY 18,000x $83 CALL 2025-08-08 (ITM) π¨
Premium: $7,380,000 | Price: $4.10
Time: 2025-07-31 14:33:33 ET
3. π UNKNOWN 12,975x $82 CALL 2025-08-01 (ITM) π¨
Premium: $5,903,625 | Price: $4.55
Time: 2025-07-31 14:33:42 ET
π Multi-Leg Strategies Detected
Multi-Leg - Total Premium: $24,120,200
Time: 2025-07-31 14:33:42 ET
Multi-Leg - Total Premium: $13,430,000
Time: 2025-07-31 13:45:52 ET
#5 SPY - $38,650,598 Total Premium π΄
π Volume Analysis
Total Volume: 290,521 contracts
Average Trade Size: 3587 contracts
Largest Trade: 100,000 contracts
Current Stock Price: $638.04
π° Premium Analysis
Total Premium: $38,650,598
Bullish Premium: $5,037,153
Bearish Premium: $16,749,452
π Bearish ($11,712,299)
π Sentiment Flow
Call/Put Ratio: 0.00 π΄
Buy/Sell Ratio: 0.60 π
OTM Volume: 290,521 contracts
π― Unusual Activity
Unusual Trades: 6
Large Premium Trades: 12
Peak Trading Hour: 15:00 ET
π₯ Top Trades by Premium
1. π UNKNOWN 16,000x $605 PUT 2025-09-19 (OTM) π¨
Premium: $8,592,000 | Price: $5.37
Time: 2025-07-31 14:20:09 ET
2. π UNKNOWN 15,970x $605 PUT 2025-09-19 (OTM) π¨
Premium: $7,809,330 | Price: $4.89
Time: 2025-07-31 11:16:39 ET
3. π BUY 50,000x $540 PUT 2025-09-30 (OTM) π¨
Premium: $7,200,000 | Price: $1.44
Time: 2025-07-31 09:43:49 ET
π Multi-Leg Strategies Detected
Multi-Leg - Total Premium: $16,350,000
Time: 2025-07-31 09:43:49 ET
Multi-Leg - Total Premium: $632,525
Time: 2025-07-31 13:56:18 ET
π¨ Most Unusual Trades of the Day
#1 RKT RKT 20250801 15.5 CALL π
UNKNOWN 29,400 contracts @ $0.40
Spot Price: $14.91
Strike: $15.50
Expiration: 2025-08-01
Premium Value: $1,176,000
Moneyness: OTM (-3.8%)
Unusual Factors: π₯ 980000.0% of OI, π° Large Premium
Time: 2025-07-31 11:10:04 ET
#2 WDC WDC 20250919 60 CALL π
UNKNOWN 20,000 contracts @ $18.31
Spot Price: $77.67
Strike: $60.00
Expiration: 2025-09-19
Premium Value: $36,620,000
Moneyness: ITM (29.5%)
Unusual Factors: π₯ 133333.3% of OI, π° Large Premium
Time: 2025-07-31 12:46:46 ET
#3 NVO NVO 20250815 40 CALL π
UNKNOWN 20,000 contracts @ $8.54
Spot Price: $48.35
Strike: $40.00
Expiration: 2025-08-15
Premium Value: $17,080,000
Moneyness: ITM (20.9%)
Unusual Factors: π₯ 52631.6% of OI, π° Large Premium
Time: 2025-07-31 12:19:51 ET
#4 WYNN WYNN 20250808 100 CALL π
UNKNOWN 20,000 contracts @ $9.78
Spot Price: $109.05
Strike: $100.00
Expiration: 2025-08-08
Premium Value: $19,560,000
Moneyness: ITM (9.0%)
Unusual Factors: π₯ 46511.6% of OI, π° Large Premium
Time: 2025-07-31 11:49:24 ET
#5 QQQ QQQ 20260116 544.78 PUT π
BUY 120,000 contracts @ $18.70
Spot Price: $566.00
Strike: $544.78
Expiration: 2026-01-16
Premium Value: $224,400,000
Moneyness: OTM (3.9%)
Unusual Factors: π₯ 5755.4% of OI, π° Large Premium
Time: 2025-07-31 14:24:58 ET
#6 BAX BAX 20250919 20 PUT π
UNKNOWN 14,400 contracts @ $0.30
Spot Price: $22.63
Strike: $20.00
Expiration: 2025-09-19
Premium Value: $432,000
Moneyness: OTM (13.1%)
Unusual Factors: π₯ 28800.0% of OI, π° Large Premium
Time: 2025-07-31 12:23:41 ET
#7 RKT RKT 20250801 15.5 CALL π
BUY 720 contracts @ $0.58
Spot Price: $15.10
Strike: $15.50
Expiration: 2025-08-01
Premium Value: $41,760
Moneyness: OTM (-2.6%)
Unusual Factors: π₯ 24000.0% of OI
Time: 2025-07-31 15:00:22 ET
#8 EWC EWC 20260116 46 PUT π
UNKNOWN 26,500 contracts @ $1.65
Spot Price: $46.38
Strike: $46.00
Expiration: 2026-01-16
Premium Value: $4,372,500
Moneyness: ATM (0.8%)
Unusual Factors: π₯ 21371.0% of OI, π° Large Premium
Time: 2025-07-31 12:28:02 ET
#9 BAX BAX 20250919 20 PUT π
SELL 9,600 contracts @ $0.25
Spot Price: $22.64
Strike: $20.00
Expiration: 2025-09-19
Premium Value: $240,000
Moneyness: OTM (13.2%)
Unusual Factors: π₯ 19200.0% of OI, π° Large Premium
Time: 2025-07-31 12:23:41 ET
#10 FCX FCX 20251017 35 PUT π
SELL 15,225 contracts @ $0.67
Spot Price: $40.28
Strike: $35.00
Expiration: 2025-10-17
Premium Value: $1,020,075
Moneyness: OTM (15.1%)
Unusual Factors: π₯ 16548.9% of OI, π° Large Premium
Time: 2025-07-31 12:32:49 ET
π Multi-Leg Strategy Analysis
SPY 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: $440, $490, $540
Strategy Legs (Total Premium: $16,350,000):
β’ BUY 50,000x
$540 PUT @ $1.44
β’ BUY 100,000x
$490 PUT @ $0.72
β’ SELL 50,000x
$440 PUT @ $0.39
BAX Strategies:
Strangle
Volatility play with wider profit range than straddle
Profits when: Stock moves significantly beyond either strike
π― Market Bias: Range-Bound
View: Expecting stock to stay between $22-$24
Volatility Bet: LOW volatility bet
π― Short Strangle: Betting stock stays between $22 and $24. Profits from time decay.
Strategy Legs (Total Premium: $12,736,000):
β’ UNKNOWN 84,000x
$22 PUT @ $1.10
β’ UNKNOWN 92,000x
$24 CALL @ $0.38
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 $20 and $20
Strategy Legs (Total Premium: $672,000):
β’ UNKNOWN 14,400x
$20 PUT @ $0.30
β’ SELL 9,600x
$20 PUT @ $0.25
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: $209, $209, $209
Strategy Legs (Total Premium: $27,138,000):
β’ UNKNOWN 36,000x
$211 PUT @ $3.61
β’ UNKNOWN 36,000x
$209 PUT @ $3.17
β’ BUY 20,000x
$209 PUT @ $0.91
β’ BUY 6,000x
$209 PUT @ $0.91
β’ BUY 4,000x
$209 PUT @ $0.91
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 $210 and $210
Strategy Legs (Total Premium: $358,147):
β’ UNKNOWN 592x
$210 PUT @ $3.64
β’ SELL 393x
$210 PUT @ $3.63
NVDA 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: $178, $182, $185
Strategy Legs (Total Premium: $23,535,000):
β’ SELL 15,000x
$178 CALL @ $6.55
β’ UNKNOWN 15,000x
$185 CALL @ $3.66
β’ SELL 15,000x
$182 CALL @ $3.51
β’ SELL 15,000x
$190 CALL @ $1.97
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 $182 and $185
Strategy Legs (Total Premium: $101,310):
β’ SELL 192x
$185 CALL @ $3.65
β’ UNKNOWN 90x
$182 CALL @ $3.47
TLT 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: $82, $83, $84
Strategy Legs (Total Premium: $24,120,200):
β’ UNKNOWN 21,025x
$84 CALL @ $3.55
β’ BUY 18,000x
$83 CALL @ $4.10
β’ UNKNOWN 12,975x
$82 CALL @ $4.55
β’ SELL 18,450x
$86 CALL @ $1.06
β’ UNKNOWN 13,000x
$86 CALL @ $1.09
π Market Sentiment Analysis
Overall Market Direction:
$53,513,265
Bullish Premium
$306,882,581
Bearish Premium
π Bearish
$253,369,316
Key Insights:
Most Bullish Flow: NVDA (call/put ratio: 1.00)
Most Bearish Flow: LCID (call/put ratio: 0.00)
Total Unusual Volume Trades: 364 (high volume relative to OI)
Total Large Premium Trades: 170 (>$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: NVDA - research why institutions are positioning bullishly
π Most Bearish Flow: LCID - understand the bearish sentiment drivers
Remember: Use this data as ONE piece of your research puzzle, not as standalone trading signals!