Daily Report

Tuesday, August 18, 2026

Writing session chart

Option writing session chart for 2026-08-18

Writing totals

Put: $2.06B (3,963,640)
Call: $2.26B (4,959,172)
Trades: 126,006
Bullish 47.7% 52.3% Bearish

Put share of premium reads as bullish (dashboard convention).

SPY expected move

upstream 0DTE expiration 2026-08-19 does not match statement date 2026-08-18 (live endpoint; expected on backfill)

SPY session prices

day graph serves the current session (2026-08-19) but statement date is 2026-08-18; OHLC is captured same-day at finalize time only

Dark pool top 10 by premium

  • 1 AAPL 7,696,463 @ $310.03 $2.39B 16:00 ET
  • 2 SPY 1,262,919 @ $767.45 $969.23M 16:00 ET
  • 3 QQQ 952,655 @ $717.51 $683.54M 16:00 ET
  • 4 SPY 880,786 @ $772.43 $680.35M 14:05 ET
  • 5 QQQ 752,000 @ $719.02 $540.71M 12:02 ET
  • 6 AAPL 1,300,000 @ $310.85 $404.10M 13:35 ET
  • 7 SPY 500,000 @ $767.13 $383.56M 16:12 ET
  • 8 QQQ 533,000 @ $718.19 $382.80M 10:47 ET
  • 9 QQQ 495,000 @ $720.50 $356.65M 09:46 ET
  • 10 QQQ 440,000 @ $718.06 $315.95M 13:42 ET

Top 25 largest option trades

#TimeSymbolSideStrikeExpiryQtyPricePremiumSentiment
111:01SPXCALL$7,000.002026-10-162,818$772.97$217.82MBULLISH
210:51SPXCALL$7,000.002026-08-212,818$706.47$199.08MBEARISH
311:04SPXCALL$7,000.002026-10-162,000$774.67$154.93MBEARISH
411:01SPXPUT$8,000.002026-10-162,818$311.18$87.69MBULLISH
510:51SPXPUT$8,000.002026-08-212,818$293.52$82.71MBEARISH
611:04SPXPUT$8,000.002026-10-162,000$310.00$62.00MBEARISH
713:59GLDCALL$525.002027-06-1765,000$8.26$53.69MNA
813:59GLDCALL$530.002027-06-1765,000$7.85$51.02MNA
910:03KLACPUT$224.002026-11-2011,500$42.00$48.30MNA
1015:46MUPUT$190.002026-08-211,500$250.45$37.57MNA
1115:47MUPUT$190.002026-08-211,500$250.20$37.53MNA
1210:34GLDCALL$410.002026-09-0455,292$5.25$29.03MNA
1312:14SPYPUT$775.002026-09-1820,000$13.75$27.50MNA
1410:03KLACPUT$224.002026-09-189,000$29.70$26.73MNA
1514:42TSLAPUT$400.002026-08-213,750$64.80$24.30MNA
1610:19SMHPUT$545.002026-09-0422,109$10.75$23.77MBEARISH
1715:28LULUPUT$350.002026-12-18956$228.15$21.81MBULLISH
1814:42TSLAPUT$450.002026-09-181,750$114.55$20.05MNA
1913:02SPYPUT$770.002027-09-174,000$46.98$18.79MNA
2014:43METAPUT$625.002026-08-212,350$78.15$18.37MNA
2110:23SPYCALL$800.002026-09-3073,482$2.46$18.08MBEARISH
2214:43METAPUT$630.002026-08-212,100$83.65$17.57MNA
2314:29LULUPUT$350.002026-12-18750$229.08$17.18MNA
2415:28LULUPUT$300.002026-12-18956$178.15$17.03MNA
2509:53SPYCALL$730.002026-08-214,000$38.86$15.54MNA
  • 1 SPX CALL $217.82M
    Time11:01 ET Strike$7,000.00 Expiry2026-10-16 Qty2,818 Price$772.97 SentimentBULLISH
  • 2 SPX CALL $199.08M
    Time10:51 ET Strike$7,000.00 Expiry2026-08-21 Qty2,818 Price$706.47 SentimentBEARISH
  • 3 SPX CALL $154.93M
    Time11:04 ET Strike$7,000.00 Expiry2026-10-16 Qty2,000 Price$774.67 SentimentBEARISH
  • 4 SPX PUT $87.69M
    Time11:01 ET Strike$8,000.00 Expiry2026-10-16 Qty2,818 Price$311.18 SentimentBULLISH
  • 5 SPX PUT $82.71M
    Time10:51 ET Strike$8,000.00 Expiry2026-08-21 Qty2,818 Price$293.52 SentimentBEARISH
  • 6 SPX PUT $62.00M
    Time11:04 ET Strike$8,000.00 Expiry2026-10-16 Qty2,000 Price$310.00 SentimentBEARISH
  • 7 GLD CALL $53.69M
    Time13:59 ET Strike$525.00 Expiry2027-06-17 Qty65,000 Price$8.26 SentimentNA
  • 8 GLD CALL $51.02M
    Time13:59 ET Strike$530.00 Expiry2027-06-17 Qty65,000 Price$7.85 SentimentNA
  • 9 KLAC PUT $48.30M
    Time10:03 ET Strike$224.00 Expiry2026-11-20 Qty11,500 Price$42.00 SentimentNA
  • 10 MU PUT $37.57M
    Time15:46 ET Strike$190.00 Expiry2026-08-21 Qty1,500 Price$250.45 SentimentNA
  • 11 MU PUT $37.53M
    Time15:47 ET Strike$190.00 Expiry2026-08-21 Qty1,500 Price$250.20 SentimentNA
  • 12 GLD CALL $29.03M
    Time10:34 ET Strike$410.00 Expiry2026-09-04 Qty55,292 Price$5.25 SentimentNA
  • 13 SPY PUT $27.50M
    Time12:14 ET Strike$775.00 Expiry2026-09-18 Qty20,000 Price$13.75 SentimentNA
  • 14 KLAC PUT $26.73M
    Time10:03 ET Strike$224.00 Expiry2026-09-18 Qty9,000 Price$29.70 SentimentNA
  • 15 TSLA PUT $24.30M
    Time14:42 ET Strike$400.00 Expiry2026-08-21 Qty3,750 Price$64.80 SentimentNA
  • 16 SMH PUT $23.77M
    Time10:19 ET Strike$545.00 Expiry2026-09-04 Qty22,109 Price$10.75 SentimentBEARISH
  • 17 LULU PUT $21.81M
    Time15:28 ET Strike$350.00 Expiry2026-12-18 Qty956 Price$228.15 SentimentBULLISH
  • 18 TSLA PUT $20.05M
    Time14:42 ET Strike$450.00 Expiry2026-09-18 Qty1,750 Price$114.55 SentimentNA
  • 19 SPY PUT $18.79M
    Time13:02 ET Strike$770.00 Expiry2027-09-17 Qty4,000 Price$46.98 SentimentNA
  • 20 META PUT $18.37M
    Time14:43 ET Strike$625.00 Expiry2026-08-21 Qty2,350 Price$78.15 SentimentNA
  • 21 SPY CALL $18.08M
    Time10:23 ET Strike$800.00 Expiry2026-09-30 Qty73,482 Price$2.46 SentimentBEARISH
  • 22 META PUT $17.57M
    Time14:43 ET Strike$630.00 Expiry2026-08-21 Qty2,100 Price$83.65 SentimentNA
  • 23 LULU PUT $17.18M
    Time14:29 ET Strike$350.00 Expiry2026-12-18 Qty750 Price$229.08 SentimentNA
  • 24 LULU PUT $17.03M
    Time15:28 ET Strike$300.00 Expiry2026-12-18 Qty956 Price$178.15 SentimentNA
  • 25 SPY CALL $15.54M
    Time09:53 ET Strike$730.00 Expiry2026-08-21 Qty4,000 Price$38.86 SentimentNA

Available statements

Educational content only. This is not financial, legal, or tax advice. All information is for general knowledge purposes. Margin rules, approval levels, and contract specifications vary by broker, exchange, product, and jurisdiction.