🔍 Block Monitor End-of-Day Trading Summary - 2025-08-18
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.
📊 Executive Summary
23
Tickers Analyzed
$159,935,645
Total Premium Value
77
Unusual Trades
390,811
Calls vs 322,094 Puts
Total Trades
140
Total Volume
712,905
Total Turnover
$159,935,645
🏆 Top Tickers by Premium Value
#1 IBIT - $37,986,500 Total Premium 🟡
📊 Volume Analysis
Total Volume: 81,050 contracts
Average Trade Size: 27017 contracts
Largest Trade: 40,500 contracts
Current Stock Price: $65.90
💰 Premium Analysis
Total Premium: $37,986,500
Bullish Premium: $0
Bearish Premium: $7,978,500
📉 Bearish ($7,978,500)
📈 Sentiment Flow
Call/Put Ratio: 0.50 🟡
Buy/Sell Ratio: 1.00 📈
OTM Volume: 40,500 contracts
🎯 Unusual Activity
Unusual Trades: 2
Large Premium Trades: 2
Peak Trading Hour: 13:00 ET
🔥 Top Trades by Premium
1. 📉 UNKNOWN 40,500x $61 CALL 2025-10-17 (ITM) 🚨
Premium: $29,970,000 | Price: $7.40
Time: 2025-08-18 13:06:28 ET
Premium: $29,970,000 | Price: $7.40
Time: 2025-08-18 13:06:28 ET
2. 📈 BUY 40,500x $61 PUT 2025-10-17 (OTM) 🚨
Premium: $7,978,500 | Price: $1.97
Time: 2025-08-18 13:06:28 ET
Premium: $7,978,500 | Price: $1.97
Time: 2025-08-18 13:06:28 ET
3. 📉 UNKNOWN 50x $61 CALL 2025-10-17 (ITM)
Premium: $38,000 | Price: $7.60
Time: 2025-08-18 13:59:59 ET
Premium: $38,000 | Price: $7.60
Time: 2025-08-18 13:59:59 ET
🎭 Multi-Leg Strategies Detected
#2 NVDA - $31,366,580 Total Premium 🟢
📊 Volume Analysis
Total Volume: 54,236 contracts
Average Trade Size: 889 contracts
Largest Trade: 15,000 contracts
Current Stock Price: $181.98
💰 Premium Analysis
Total Premium: $31,366,580
Bullish Premium: $27,792,860
Bearish Premium: $1,925,615
📈 Bullish ($25,867,245)
📈 Sentiment Flow
Call/Put Ratio: 0.72 🟢
Buy/Sell Ratio: 0.63 📈
OTM Volume: 17,254 contracts
🎯 Unusual Activity
Unusual Trades: 3
Large Premium Trades: 18
Peak Trading Hour: 10:00 ET
🔥 Top Trades by Premium
1. 📉 SELL 15,000x $190 PUT 2025-08-29 (ITM) 🚨
Premium: $17,175,000 | Price: $11.45
Time: 2025-08-18 09:38:35 ET
Premium: $17,175,000 | Price: $11.45
Time: 2025-08-18 09:38:35 ET
2. 📈 BUY 15,000x $185 CALL 2025-08-29 (ATM) 🚨
Premium: $8,760,000 | Price: $5.84
Time: 2025-08-18 09:50:55 ET
Premium: $8,760,000 | Price: $5.84
Time: 2025-08-18 09:50:55 ET
3. 📈 BUY 15,000x $190 CALL 2025-08-22 (OTM) 🚨
Premium: $765,000 | Price: $0.51
Time: 2025-08-18 09:50:55 ET
Premium: $765,000 | Price: $0.51
Time: 2025-08-18 09:50:55 ET
🎭 Multi-Leg Strategies Detected
#3 OPEN - $25,485,100 Total Premium 🟢
📊 Volume Analysis
Total Volume: 125,261 contracts
Average Trade Size: 20877 contracts
Largest Trade: 44,000 contracts
Current Stock Price: $3.76
💰 Premium Analysis
Total Premium: $25,485,100
Bullish Premium: $0
Bearish Premium: $988,568
📉 Bearish ($988,568)
📈 Sentiment Flow
Call/Put Ratio: 0.65 🟢
Buy/Sell Ratio: 0.00 📉
OTM Volume: 61,653 contracts
🎯 Unusual Activity
Unusual Trades: 4
Large Premium Trades: 5
Peak Trading Hour: 10:00 ET
🔥 Top Trades by Premium
1. 📉 UNKNOWN 44,000x $4 CALL 2027-12-17 (ITM) 🚨
Premium: $11,132,000 | Price: $2.53
Time: 2025-08-18 14:57:50 ET
Premium: $11,132,000 | Price: $2.53
Time: 2025-08-18 14:57:50 ET
2. 📉 UNKNOWN 44,000x $4 PUT 2027-12-17 (OTM) 🚨
Premium: $9,372,000 | Price: $2.13
Time: 2025-08-18 14:57:50 ET
Premium: $9,372,000 | Price: $2.13
Time: 2025-08-18 14:57:50 ET
3. 📉 UNKNOWN 17,108x $2 CALL 2025-11-21 (ITM) 🚨
Premium: $3,490,032 | Price: $2.04
Time: 2025-08-18 10:00:50 ET
Premium: $3,490,032 | Price: $2.04
Time: 2025-08-18 10:00:50 ET
🎭 Multi-Leg Strategies Detected
#4 SPY - $16,182,980 Total Premium 🔴
📊 Volume Analysis
Total Volume: 48,890 contracts
Average Trade Size: 1746 contracts
Largest Trade: 23,072 contracts
Current Stock Price: $643.17
💰 Premium Analysis
Total Premium: $16,182,980
Bullish Premium: $3,714,592
Bearish Premium: $1,252,312
📈 Bullish ($2,462,280)
📈 Sentiment Flow
Call/Put Ratio: 0.00 🔴
Buy/Sell Ratio: 0.10 📉
OTM Volume: 23,072 contracts
🎯 Unusual Activity
Unusual Trades: 2
Large Premium Trades: 4
Peak Trading Hour: 10:00 ET
🔥 Top Trades by Premium
1. 📉 UNKNOWN 23,072x $635 PUT 2025-09-12 (ATM) 🚨
Premium: $11,143,776 | Price: $4.83
Time: 2025-08-18 10:41:01 ET
Premium: $11,143,776 | Price: $4.83
Time: 2025-08-18 10:41:01 ET
2. 📉 SELL 23,072x $610 PUT 2025-09-12 (OTM) 🚨
Premium: $3,714,592 | Price: $1.61
Time: 2025-08-18 10:41:01 ET
Premium: $3,714,592 | Price: $1.61
Time: 2025-08-18 10:41:01 ET
3. 📈 BUY 446x $635 PUT 2025-09-12 (ATM) 🚨
Premium: $214,972 | Price: $4.82
Time: 2025-08-18 10:44:19 ET
Premium: $214,972 | Price: $4.82
Time: 2025-08-18 10:44:19 ET
🎭 Multi-Leg Strategies Detected
Put Spread - Total Premium: $14,858,368
Time: 2025-08-18 10:41:01 ET
Time: 2025-08-18 10:41:01 ET
Multi-Leg - Total Premium: $1,324,612
Time: 2025-08-18 10:44:19 ET
Time: 2025-08-18 10:44:19 ET
• BUY 446x $635 PUT @ $4.82
• BUY 215x $635 PUT @ $4.83
• BUY 203x $635 PUT @ $4.83
• UNKNOWN 150x $635 PUT @ $4.82
• BUY 140x $635 PUT @ $4.83
• BUY 106x $635 PUT @ $4.83
• BUY 100x $635 PUT @ $4.83
• BUY 100x $635 PUT @ $4.82
• BUY 93x $635 PUT @ $4.83
• BUY 92x $635 PUT @ $4.83
• BUY 92x $635 PUT @ $4.81
• BUY 90x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.81
• BUY 72x $635 PUT @ $4.81
• BUY 72x $635 PUT @ $4.81
• BUY 67x $635 PUT @ $4.83
• BUY 67x $635 PUT @ $4.83
• BUY 67x $635 PUT @ $4.82
• BUY 67x $635 PUT @ $4.81
• BUY 67x $635 PUT @ $4.81
• BUY 59x $635 PUT @ $4.82
• BUY 56x $635 PUT @ $4.83
• BUY 56x $635 PUT @ $4.83
• BUY 53x $635 PUT @ $4.83
• BUY 215x $635 PUT @ $4.83
• BUY 203x $635 PUT @ $4.83
• UNKNOWN 150x $635 PUT @ $4.82
• BUY 140x $635 PUT @ $4.83
• BUY 106x $635 PUT @ $4.83
• BUY 100x $635 PUT @ $4.83
• BUY 100x $635 PUT @ $4.82
• BUY 93x $635 PUT @ $4.83
• BUY 92x $635 PUT @ $4.83
• BUY 92x $635 PUT @ $4.81
• BUY 90x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.83
• BUY 72x $635 PUT @ $4.81
• BUY 72x $635 PUT @ $4.81
• BUY 72x $635 PUT @ $4.81
• BUY 67x $635 PUT @ $4.83
• BUY 67x $635 PUT @ $4.83
• BUY 67x $635 PUT @ $4.82
• BUY 67x $635 PUT @ $4.81
• BUY 67x $635 PUT @ $4.81
• BUY 59x $635 PUT @ $4.82
• BUY 56x $635 PUT @ $4.83
• BUY 56x $635 PUT @ $4.83
• BUY 53x $635 PUT @ $4.83
#5 IWM - $9,372,817 Total Premium 🔴
📊 Volume Analysis
Total Volume: 11,164 contracts
Average Trade Size: 2233 contracts
Largest Trade: 10,000 contracts
Current Stock Price: $227.70
💰 Premium Analysis
Total Premium: $9,372,817
Bullish Premium: $71,687
Bearish Premium: $65,130
📈 Bullish ($6,557)
📈 Sentiment Flow
Call/Put Ratio: 0.00 🔴
Buy/Sell Ratio: 0.48 ➡️
OTM Volume: 11,164 contracts
🎯 Unusual Activity
Unusual Trades: 1
Large Premium Trades: 2
Peak Trading Hour: 11:00 ET
🔥 Top Trades by Premium
🎭 Multi-Leg Strategies Detected
🚨 Most Unusual Trades of the Day
#1 AGNC AGNC 20251017 9 PUT 📈
BUY 10,000 contracts @ $0.14
Spot Price: $9.62
Strike: $9.00
Expiration: 2025-10-17
Premium Value: $140,000
Moneyness: OTM (6.9%)
Unusual Factors: 🔥 333333.3% of OI, 💰 Large Premium
Time: 2025-08-18 11:01:33 ET
#2 OPEN OPEN 20271217 3.5 PUT 📉
UNKNOWN 44,000 contracts @ $2.13
Spot Price: $3.77
Strike: $3.50
Expiration: 2027-12-17
Premium Value: $9,372,000
Moneyness: OTM (7.7%)
Unusual Factors: 🔥 32116.8% of OI, 💰 Large Premium
Time: 2025-08-18 14:57:50 ET
#3 IBIT IBIT 20251017 61 PUT 📈
BUY 40,500 contracts @ $1.97
Spot Price: $65.90
Strike: $61.00
Expiration: 2025-10-17
Premium Value: $7,978,500
Moneyness: OTM (8.0%)
Unusual Factors: 🔥 11218.8% of OI, 💰 Large Premium
Time: 2025-08-18 13:06:28 ET
#4 CSCO CSCO 20251121 62.5 PUT 📉
UNKNOWN 20,000 contracts @ $1.48
Spot Price: $66.58
Strike: $62.50
Expiration: 2025-11-21
Premium Value: $2,960,000
Moneyness: OTM (6.5%)
Unusual Factors: 🔥 10101.0% of OI, 💰 Large Premium
Time: 2025-08-18 12:34:34 ET
#5 VRT VRT 20250829 145 CALL 📉
UNKNOWN 30,000 contracts @ $1.38
Spot Price: $133.51
Strike: $145.00
Expiration: 2025-08-29
Premium Value: $4,140,000
Moneyness: OTM (-7.9%)
Unusual Factors: 🔥 9202.5% of OI, 💰 Large Premium
Time: 2025-08-18 09:53:34 ET
#6 IBIT IBIT 20251017 61 CALL 📉
UNKNOWN 40,500 contracts @ $7.40
Spot Price: $65.87
Strike: $61.00
Expiration: 2025-10-17
Premium Value: $29,970,000
Moneyness: ITM (8.0%)
Unusual Factors: 🔥 2435.4% of OI, 💰 Large Premium
Time: 2025-08-18 13:06:28 ET
#7 OPEN OPEN 20271217 3.5 CALL 📉
UNKNOWN 44,000 contracts @ $2.53
Spot Price: $3.77
Strike: $3.50
Expiration: 2027-12-17
Premium Value: $11,132,000
Moneyness: ITM (7.6%)
Unusual Factors: 🔥 1504.8% of OI, 💰 Large Premium
Time: 2025-08-18 14:57:50 ET
#8 KWEB KWEB 20250829 37 PUT 📉
UNKNOWN 15,000 contracts @ $0.49
Spot Price: $37.72
Strike: $37.00
Expiration: 2025-08-29
Premium Value: $735,000
Moneyness: ATM (1.9%)
Unusual Factors: 🔥 3239.7% of OI, 💰 Large Premium
Time: 2025-08-18 09:50:53 ET
#9 NBIS NBIS 20250822 67 PUT 📈
BUY 13,479 contracts @ $1.22
Spot Price: $70.50
Strike: $67.00
Expiration: 2025-08-22
Premium Value: $1,644,438
Moneyness: OTM (5.2%)
Unusual Factors: 🔥 2102.8% of OI, 💰 Large Premium
Time: 2025-08-18 11:10:25 ET
#10 NVDA NVDA 20250829 190 PUT 📉
SELL 15,000 contracts @ $11.45
Spot Price: $181.98
Strike: $190.00
Expiration: 2025-08-29
Premium Value: $17,175,000
Moneyness: ITM (-4.2%)
Unusual Factors: 🔥 474.1% of OI, 💰 Large Premium
Time: 2025-08-18 09:38:35 ET
🎭 Multi-Leg Strategy Analysis
OPEN Strategies:
Straddle
Volatility play betting on big move in either direction
Profits when: Stock moves significantly up OR down
⚡ Market Bias: Volatility Play
View: Expecting BIG move away from $4
Volatility Bet: HIGH volatility bet
⚡ Long Straddle: Betting on MAJOR move either up or down from $4. Needs stock to move significantly beyond breakeven points.
View: Expecting BIG move away from $4
Volatility Bet: HIGH volatility bet
⚡ Long Straddle: Betting on MAJOR move either up or down from $4. Needs stock to move significantly beyond breakeven points.
Call Spread
Bullish strategy betting on moderate upside
Profits when: Stock rises above the short call strike
📈 Market Bias: Neutral-Bullish
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $2 and $4
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $2 and $4
NVDA Strategies:
Multi-Leg
Complex strategy with multiple option legs
Profits when: Depends on specific leg combination
📈 Market Bias: Bullish
View: Call-heavy buying suggests upside expectation
Volatility Bet: Medium volatility
📈 Call-Heavy Strategy: More call buying suggests bullish sentiment. Multiple strikes: $185, $190
View: Call-heavy buying suggests upside expectation
Volatility Bet: Medium volatility
📈 Call-Heavy Strategy: More call buying suggests bullish sentiment. Multiple strikes: $185, $190
Iron Condor/Butterfly
Range-bound strategy betting on sideways movement
Profits when: Stock stays between the short strikes
🎯 Market Bias: Range-Bound
View: Expecting stock to stay between $185-$190
Volatility Bet: LOW volatility bet
🎯 Iron Condor/Butterfly: Betting stock stays in $185-$190 range. Profits from time decay and low volatility.
View: Expecting stock to stay between $185-$190
Volatility Bet: LOW volatility bet
🎯 Iron Condor/Butterfly: Betting stock stays in $185-$190 range. Profits from time decay and low volatility.
Call Spread
Bullish strategy betting on moderate upside
Profits when: Stock rises above the short call strike
📈 Market Bias: Neutral-Bullish
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $185 and $185
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $185 and $185
Put Spread
Bearish strategy betting on moderate downside
Profits when: Stock falls below the short put strike
📉 Market Bias: Bearish
View: Expecting moderate decline to $190
Volatility Bet: Low-Medium volatility bet
📉 Bear Put Spread: Betting on stock falling from $181.98 toward $190. Max profit if stock closes below $190 at expiration.
View: Expecting moderate decline to $190
Volatility Bet: Low-Medium volatility bet
📉 Bear Put Spread: Betting on stock falling from $181.98 toward $190. Max profit if stock closes below $190 at expiration.
NU Strategies:
Multi-Leg
Complex strategy with multiple option legs
Profits when: Depends on specific leg combination
📉 Market Bias: Neutral-Bearish
View: Call selling suggests range-bound or bearish
Volatility Bet: Low volatility
📉 Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $14, $16
View: Call selling suggests range-bound or bearish
Volatility Bet: Low volatility
📉 Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $14, $16
IBIT Strategies:
Multi-Leg
Complex strategy with multiple option legs
Profits when: Depends on specific leg combination
⚡ Market Bias: Neutral/Volatility
View: Mixed strategy - direction unclear
Volatility Bet: Variable volatility bet
🔄 Complex Multi-Leg: Balanced calls/puts suggest volatility play or hedge. Strikes: $61, $61
View: Mixed strategy - direction unclear
Volatility Bet: Variable volatility bet
🔄 Complex Multi-Leg: Balanced calls/puts suggest volatility play or hedge. Strikes: $61, $61
DGRO Strategies:
Multi-Leg
Complex strategy with multiple option legs
Profits when: Depends on specific leg combination
📉 Market Bias: Neutral-Bearish
View: Call selling suggests range-bound or bearish
Volatility Bet: Low volatility
📉 Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $69, $69
View: Call selling suggests range-bound or bearish
Volatility Bet: Low volatility
📉 Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $69, $69
📊 Market Sentiment Analysis
Overall Market Direction:
$35,114,016
Bullish Premium
$29,392,117
Bearish Premium
📈 Bullish
$5,721,899
Key Insights:
📚 How Retail Investors Can Use This Data
📊 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
🎯 Support/Resistance Research
- High volume strikes may act as magnets
- Multiple institutions trading same strikes = potential levels
- Combine with technical analysis for confluence
🔄 Sector Rotation Insights
- Which sectors are getting institutional attention?
- Compare activity across different industries
- Look for shifts in institutional focus over time
📖 Education & Strategy Learning
- Study how professionals structure trades
- Learn about different options strategies
- Understand risk management techniques
⚠️ 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.
🎯 Key Takeaways for Retail Traders
📅 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
🔥 High Unusual Activity: Multiple trades with volume exceeding 10% of OI suggest institutional positioning for research
💰 Large Premium Trades: Significant capital deployment indicates strong institutional conviction - study the context
📈 Most Bullish Flow: GOOGL - research why institutions are positioning bullishly
📉 Most Bearish Flow: QQQ - understand the bearish sentiment drivers
Remember: Use this data as ONE piece of your research puzzle, not as standalone trading signals!