🔍 Block Monitor End-of-Day Trading Summary - 2025-08-19
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
22
Tickers Analyzed
$207,591,786
Total Premium Value
115
Unusual Trades
721,943
Calls vs 322,098 Puts
Total Trades
123
Total Volume
1,044,041
Total Turnover
$207,591,786
🏆 Top Tickers by Premium Value
#1 NVDA - $154,251,602 Total Premium 🟢
📊 Volume Analysis
Total Volume: 155,991 contracts
Average Trade Size: 4333 contracts
Largest Trade: 51,305 contracts
Current Stock Price: $178.04
💰 Premium Analysis
Total Premium: $154,251,602
Bullish Premium: $35,204,575
Bearish Premium: $4,569,775
📈 Bullish ($30,634,800)
📈 Sentiment Flow
Call/Put Ratio: 1.00 🟢
Buy/Sell Ratio: 0.81 📈
OTM Volume: 104,510 contracts
🎯 Unusual Activity
Unusual Trades: 6
Large Premium Trades: 7
Peak Trading Hour: 12:00 ET
🔥 Top Trades by Premium
1. 📉 UNKNOWN 51,305x $160 CALL 2025-09-19 (ITM) 🚨
Premium: $110,972,715 | Price: $21.63
Time: 2025-08-19 11:14:11 ET
Premium: $110,972,715 | Price: $21.63
Time: 2025-08-19 11:14:11 ET
2. 📈 BUY 51,305x $185 CALL 2025-09-19 (OTM) 🚨
Premium: $31,552,575 | Price: $6.15
Time: 2025-08-19 11:14:11 ET
Premium: $31,552,575 | Price: $6.15
Time: 2025-08-19 11:14:11 ET
3. 📉 SELL 15,000x $190 CALL 2025-09-05 (OTM) 🚨
Premium: $4,005,000 | Price: $2.67
Time: 2025-08-19 12:46:17 ET
Premium: $4,005,000 | Price: $2.67
Time: 2025-08-19 12:46:17 ET
🎭 Multi-Leg Strategies Detected
#2 IWM - $13,509,573 Total Premium 🔴
📊 Volume Analysis
Total Volume: 58,904 contracts
Average Trade Size: 1309 contracts
Largest Trade: 35,770 contracts
Current Stock Price: $226.31
💰 Premium Analysis
Total Premium: $13,509,573
Bullish Premium: $1,539,486
Bearish Premium: $11,905,462
📉 Bearish ($10,365,976)
📈 Sentiment Flow
Call/Put Ratio: 0.00 🔴
Buy/Sell Ratio: 0.89 📈
OTM Volume: 58,904 contracts
🎯 Unusual Activity
Unusual Trades: 2
Large Premium Trades: 13
Peak Trading Hour: 14:00 ET
🔥 Top Trades by Premium
1. 📈 BUY 35,770x $216 PUT 2025-09-19 (OTM) 🚨
Premium: $8,155,560 | Price: $2.28
Time: 2025-08-19 13:43:26 ET
Premium: $8,155,560 | Price: $2.28
Time: 2025-08-19 13:43:26 ET
2. 📈 BUY 6,239x $216 PUT 2025-09-19 (OTM) 🚨
Premium: $1,459,926 | Price: $2.34
Time: 2025-08-19 15:00:00 ET
Premium: $1,459,926 | Price: $2.34
Time: 2025-08-19 15:00:00 ET
3. 📈 BUY 3,165x $216 PUT 2025-09-19 (OTM) 🚨
Premium: $721,620 | Price: $2.28
Time: 2025-08-19 13:43:26 ET
Premium: $721,620 | Price: $2.28
Time: 2025-08-19 13:43:26 ET
🎭 Multi-Leg Strategies Detected
Multi-Leg - Total Premium: $10,445,536
Time: 2025-08-19 13:43:26 ET
Time: 2025-08-19 13:43:26 ET
• BUY 35,770x $216 PUT @ $2.28
• BUY 3,165x $216 PUT @ $2.28
• BUY 1,900x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 633x $216 PUT @ $2.28
• BUY 628x $216 PUT @ $2.29
• BUY 545x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 3,165x $216 PUT @ $2.28
• BUY 1,900x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 633x $216 PUT @ $2.28
• BUY 628x $216 PUT @ $2.29
• BUY 545x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
Multi-Leg - Total Premium: $1,604,111
Time: 2025-08-19 14:57:27 ET
Time: 2025-08-19 14:57:27 ET
• SELL 825x $216 PUT @ $2.34
• SELL 467x $216 PUT @ $2.34
• SELL 416x $216 PUT @ $2.34
• SELL 383x $216 PUT @ $2.34
• SELL 375x $216 PUT @ $2.34
• SELL 302x $216 PUT @ $2.34
• SELL 299x $216 PUT @ $2.34
• SELL 294x $216 PUT @ $2.34
• SELL 225x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 174x $216 PUT @ $2.34
• SELL 147x $216 PUT @ $2.34
• SELL 146x $216 PUT @ $2.34
• SELL 146x $216 PUT @ $2.34
• SELL 141x $216 PUT @ $2.34
• UNKNOWN 138x $216 PUT @ $2.35
• UNKNOWN 137x $216 PUT @ $2.35
• SELL 135x $216 PUT @ $2.34
• SELL 132x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 116x $216 PUT @ $2.34
• SELL 107x $216 PUT @ $2.34
• SELL 467x $216 PUT @ $2.34
• SELL 416x $216 PUT @ $2.34
• SELL 383x $216 PUT @ $2.34
• SELL 375x $216 PUT @ $2.34
• SELL 302x $216 PUT @ $2.34
• SELL 299x $216 PUT @ $2.34
• SELL 294x $216 PUT @ $2.34
• SELL 225x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 208x $216 PUT @ $2.34
• SELL 174x $216 PUT @ $2.34
• SELL 147x $216 PUT @ $2.34
• SELL 146x $216 PUT @ $2.34
• SELL 146x $216 PUT @ $2.34
• SELL 141x $216 PUT @ $2.34
• UNKNOWN 138x $216 PUT @ $2.35
• UNKNOWN 137x $216 PUT @ $2.35
• SELL 135x $216 PUT @ $2.34
• SELL 132x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 125x $216 PUT @ $2.34
• SELL 116x $216 PUT @ $2.34
• SELL 107x $216 PUT @ $2.34
#3 SPY - $7,916,130 Total Premium 🔴
📊 Volume Analysis
Total Volume: 27,105 contracts
Average Trade Size: 13552 contracts
Largest Trade: 27,000 contracts
Current Stock Price: $639.17
💰 Premium Analysis
Total Premium: $7,916,130
Bullish Premium: $7,884,000
Bearish Premium: $32,130
📈 Bullish ($7,851,870)
📈 Sentiment Flow
Call/Put Ratio: 0.00 🔴
Buy/Sell Ratio: 0.00 📉
OTM Volume: 27,105 contracts
🎯 Unusual Activity
Unusual Trades: 1
Large Premium Trades: 1
Peak Trading Hour: 14:00 ET
🔥 Top Trades by Premium
#4 GLXY - $7,446,577 Total Premium 🟢
📊 Volume Analysis
Total Volume: 73,622 contracts
Average Trade Size: 24541 contracts
Largest Trade: 28,783 contracts
Current Stock Price: $25.66
💰 Premium Analysis
Total Premium: $7,446,577
Bullish Premium: $7,109,401
Bearish Premium: $0
📈 Bullish ($7,109,401)
📈 Sentiment Flow
Call/Put Ratio: 0.61 🟢
Buy/Sell Ratio: 0.50 ➡️
OTM Volume: 44,839 contracts
🎯 Unusual Activity
Unusual Trades: 3
Large Premium Trades: 3
Peak Trading Hour: 15:00 ET
🔥 Top Trades by Premium
1. 📉 SELL 28,783x $26 PUT 2025-08-22 (ITM) 🚨
Premium: $3,914,488 | Price: $1.36
Time: 2025-08-19 15:10:24 ET
Premium: $3,914,488 | Price: $1.36
Time: 2025-08-19 15:10:24 ET
2. 📈 BUY 28,783x $26 CALL 2025-08-22 (OTM) 🚨
Premium: $3,194,913 | Price: $1.11
Time: 2025-08-19 15:10:24 ET
Premium: $3,194,913 | Price: $1.11
Time: 2025-08-19 15:10:24 ET
3. 📉 UNKNOWN 16,056x $28 CALL 2025-08-22 (OTM) 🚨
Premium: $337,176 | Price: $0.21
Time: 2025-08-19 09:56:31 ET
Premium: $337,176 | Price: $0.21
Time: 2025-08-19 09:56:31 ET
🎭 Multi-Leg Strategies Detected
#5 MSTR - $3,558,445 Total Premium 🟢
📊 Volume Analysis
Total Volume: 33,495 contracts
Average Trade Size: 8374 contracts
Largest Trade: 10,000 contracts
Current Stock Price: $338.70
💰 Premium Analysis
Total Premium: $3,558,445
Bullish Premium: $208,445
Bearish Premium: $0
📈 Bullish ($208,445)
📈 Sentiment Flow
Call/Put Ratio: 1.00 🟢
Buy/Sell Ratio: 1.00 📈
OTM Volume: 33,495 contracts
🎯 Unusual Activity
Unusual Trades: 3
Large Premium Trades: 3
Peak Trading Hour: 13:00 ET
🔥 Top Trades by Premium
1. 📉 UNKNOWN 10,000x $350 CALL 2025-08-22 (OTM) 🚨
Premium: $2,860,000 | Price: $2.86
Time: 2025-08-19 15:19:19 ET
Premium: $2,860,000 | Price: $2.86
Time: 2025-08-19 15:19:19 ET
2. 📉 UNKNOWN 10,000x $380 CALL 2025-08-22 (OTM) 🚨
Premium: $490,000 | Price: $0.49
Time: 2025-08-19 13:25:21 ET
Premium: $490,000 | Price: $0.49
Time: 2025-08-19 13:25:21 ET
3. 📈 BUY 10,000x $405 CALL 2025-08-22 (OTM) 🚨
Premium: $170,000 | Price: $0.17
Time: 2025-08-19 13:25:21 ET
Premium: $170,000 | Price: $0.17
Time: 2025-08-19 13:25:21 ET
🎭 Multi-Leg Strategies Detected
🚨 Most Unusual Trades of the Day
#1 SLV SLV 20260417 30 PUT 📉
SELL 15,000 contracts @ $0.79
Spot Price: $33.99
Strike: $30.00
Expiration: 2026-04-17
Premium Value: $1,185,000
Moneyness: OTM (13.3%)
Unusual Factors: 🔥 500000.0% of OI, 💰 Large Premium
Time: 2025-08-19 12:37:22 ET
#2 KVUE KVUE 20250912 23 CALL 📈
BUY 13,000 contracts @ $0.21
Spot Price: $21.41
Strike: $23.00
Expiration: 2025-09-12
Premium Value: $273,000
Moneyness: OTM (-6.9%)
Unusual Factors: 🔥 72222.2% of OI, 💰 Large Premium
Time: 2025-08-19 15:13:01 ET
#3 GLXY GLXY 20250822 25.5 CALL 📈
BUY 28,783 contracts @ $1.11
Spot Price: $24.02
Strike: $25.50
Expiration: 2025-08-22
Premium Value: $3,194,913
Moneyness: OTM (-5.8%)
Unusual Factors: 🔥 17989.4% of OI, 💰 Large Premium
Time: 2025-08-19 15:10:24 ET
#4 BE BE 20250919 29 PUT 📉
UNKNOWN 10,872 contracts @ $0.20
Spot Price: $42.73
Strike: $29.00
Expiration: 2025-09-19
Premium Value: $217,440
Moneyness: OTM (47.4%)
Unusual Factors: 🔥 13938.5% of OI, 💰 Large Premium
Time: 2025-08-19 10:48:32 ET
#5 NVDA NVDA 20250919 160 CALL 📉
UNKNOWN 51,305 contracts @ $21.63
Spot Price: $178.41
Strike: $160.00
Expiration: 2025-09-19
Premium Value: $110,972,715
Moneyness: ITM (11.5%)
Unusual Factors: 🔥 29.5% of OI, 💰 Large Premium
Time: 2025-08-19 11:14:11 ET
#6 ASTS ASTS 20250822 48.5 CALL 📉
UNKNOWN 34,994 contracts @ $0.53
Spot Price: $45.48
Strike: $48.50
Expiration: 2025-08-22
Premium Value: $1,854,682
Moneyness: OTM (-6.2%)
Unusual Factors: 🔥 4532.9% of OI, 💰 Large Premium
Time: 2025-08-19 12:51:06 ET
#7 RGTI RGTI 20250822 17.5 CALL 📉
SELL 99,997 contracts @ $0.05
Spot Price: $15.14
Strike: $17.50
Expiration: 2025-08-22
Premium Value: $499,985
Moneyness: OTM (-13.5%)
Unusual Factors: 🔥 280.9% of OI, 💰 Large Premium
Time: 2025-08-19 13:16:36 ET
#8 NVDA NVDA 20250919 185 CALL 📈
BUY 51,305 contracts @ $6.15
Spot Price: $178.41
Strike: $185.00
Expiration: 2025-09-19
Premium Value: $31,552,575
Moneyness: OTM (-3.6%)
Unusual Factors: 🔥 50.4% of OI, 💰 Large Premium
Time: 2025-08-19 11:14:11 ET
#9 IQ IQ 20260320 2 PUT 📉
UNKNOWN 30,000 contracts @ $0.30
Spot Price: $2.30
Strike: $2.00
Expiration: 2026-03-20
Premium Value: $900,000
Moneyness: OTM (15.0%)
Unusual Factors: 🔥 3947.4% of OI, 💰 Large Premium
Time: 2025-08-19 14:25:42 ET
#10 MSTR MSTR 20250822 350 CALL 📉
UNKNOWN 10,000 contracts @ $2.86
Spot Price: $334.58
Strike: $350.00
Expiration: 2025-08-22
Premium Value: $2,860,000
Moneyness: OTM (-4.4%)
Unusual Factors: 🔥 4784.7% of OI, 💰 Large Premium
Time: 2025-08-19 15:19:19 ET
🎭 Multi-Leg Strategy Analysis
GLXY 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: $26, $26
View: Mixed strategy - direction unclear
Volatility Bet: Variable volatility bet
🔄 Complex Multi-Leg: Balanced calls/puts suggest volatility play or hedge. Strikes: $26, $26
NVDA 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: $185, $185, $185
View: Call selling suggests range-bound or bearish
Volatility Bet: Low volatility
📉 Call-Selling Strategy: Call selling suggests expectation of limited upside. Strikes: $185, $185, $185
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 $160 and $185
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $160 and $185
IWM Strategies:
Multi-Leg
Complex strategy with multiple option legs
Profits when: Depends on specific leg combination
📉 Market Bias: Bearish
View: Put-heavy buying suggests downside expectation
Volatility Bet: Medium volatility
📉 Put-Heavy Strategy: More put buying suggests bearish sentiment. Multiple strikes: $216, $216, $216
View: Put-heavy buying suggests downside expectation
Volatility Bet: Medium volatility
📉 Put-Heavy Strategy: More put buying suggests bearish sentiment. Multiple strikes: $216, $216, $216
Strategy Legs (Total Premium: $10,445,536):
• BUY 35,770x $216 PUT @ $2.28
• BUY 3,165x $216 PUT @ $2.28
• BUY 1,900x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 633x $216 PUT @ $2.28
• BUY 628x $216 PUT @ $2.29
• BUY 545x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 35,770x $216 PUT @ $2.28
• BUY 3,165x $216 PUT @ $2.28
• BUY 1,900x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 634x $216 PUT @ $2.28
• BUY 633x $216 PUT @ $2.28
• BUY 628x $216 PUT @ $2.29
• BUY 545x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
• BUY 317x $216 PUT @ $2.28
IQ Strategies:
Strangle
Volatility play with wider profit range than straddle
Profits when: Stock moves significantly beyond either strike
🎯 Market Bias: Range-Bound
View: Expecting stock to stay between $2-$2
Volatility Bet: LOW volatility bet
🎯 Short Strangle: Betting stock stays between $2 and $2. Profits from time decay.
View: Expecting stock to stay between $2-$2
Volatility Bet: LOW volatility bet
🎯 Short Strangle: Betting stock stays between $2 and $2. Profits from time decay.
IONQ Strategies:
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 $40 and $44
View: Directional call play
Volatility Bet: Medium volatility
🔄 Complex Call Strategy: Mixed positioning with strikes at $40 and $44
📊 Market Sentiment Analysis
Overall Market Direction:
$58,875,985
Bullish Premium
$18,969,492
Bearish Premium
📈 Bullish
$39,906,493
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: NVDA - research why institutions are positioning bullishly
📉 Most Bearish Flow: SPY - understand the bearish sentiment drivers
Remember: Use this data as ONE piece of your research puzzle, not as standalone trading signals!