Daily Report

Thursday, September 17, 2026

Writing session chart

Option writing session chart for 2026-09-17

Writing totals

Put: $7.66B (6,382,556)
Call: $2.94B (5,835,537)
Trades: 126,931
Bullish 72.2% 27.8% Bearish

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

SPY expected move

Expected move0.06%
Straddle mid$0.45
Strike$762.00
Upper breakeven$762.46
Lower breakeven$761.55
Underlying$762.14

SPY session prices

Open$763.16
High$763.16
Low$760.25
Close$762.64
Prev close (2026-09-16)$754.05

Dark pool top 10 by premium

  • 1 AAPL 8,931,390 @ $337.00 $3.01B 16:00 ET
  • 2 SPY 1,300,000 @ $763.33 $992.33M 16:02 ET
  • 3 SPY 1,300,000 @ $763.33 $992.33M 16:02 ET
  • 4 SPY 1,237,460 @ $762.60 $943.69M 16:00 ET
  • 5 QQQ 1,184,257 @ $716.92 $849.02M 16:00 ET
  • 6 QQQ 985,000 @ $716.35 $705.60M 14:27 ET
  • 7 SPY 525,245 @ $761.55 $400.00M 11:05 ET
  • 8 IWM 1,256,380 @ $285.43 $358.61M 16:00 ET
  • 9 QQQ 406,192 @ $714.91 $290.39M 11:04 ET
  • 10 QQQ 370,000 @ $717.30 $265.40M 15:45 ET

Top 25 largest option trades

#TimeSymbolSideStrikeExpiryQtyPricePremiumSentiment
112:51SPXCALL$7,000.002026-12-183,950$764.65$302.04MNA
214:29SPCXPUT$205.002026-09-1841,220$50.00$206.10MNA
310:06SPXCALL$7,000.002026-11-202,500$710.17$177.54MBULLISH
410:08SPXCALL$7,000.002026-11-202,400$710.17$170.44MBULLISH
512:10SPXCALL$7,700.002026-12-187,500$216.30$162.22MNA
612:10SPXPUT$7,700.002026-12-187,500$210.28$157.71MNA
714:29SPCXPUT$200.002026-09-1834,440$45.00$154.98MNA
812:51SPXPUT$8,000.002026-12-183,950$370.00$146.15MNA
911:06SPXCALL$7,000.002026-11-202,000$706.16$141.23MNA
1011:54SPXCALL$7,700.002026-12-186,500$215.51$140.08MNA
1111:54SPXPUT$7,700.002026-12-186,500$211.00$137.15MNA
1211:07SPXCALL$7,000.002026-09-182,000$632.03$126.41MBULLISH
1314:33SPCXPUT$205.002026-09-1822,400$50.45$113.01MNA
1410:06SPXPUT$8,000.002026-11-202,500$367.42$91.86MBULLISH
1514:33SPCXPUT$200.002026-09-1820,000$45.25$90.50MNA
1610:08SPXPUT$8,000.002026-11-202,400$367.42$88.18MBULLISH
1715:48IWMPUT$315.002026-09-1829,750$29.30$87.17MNA
1814:39SPCXPUT$205.002026-09-1815,700$50.35$79.05MNA
1915:43SPCXPUT$205.002026-09-1814,978$49.70$74.44MNA
2011:06SPXPUT$8,000.002026-11-202,000$371.67$74.33MNA
2111:07SPXPUT$8,000.002026-09-182,000$367.97$73.59MBULLISH
2214:29SPCXPUT$205.002026-09-1815,000$49.05$73.58MNA
2314:48LULUPUT$0.002026-12-183,450$201.80$69.62MNA
2415:58LULUPUT$0.002026-12-183,454$201.05$69.44MNA
2514:33AMGNPUT$460.002026-10-168,430$80.95$68.24MNA
  • 1 SPX CALL $302.04M
    Time12:51 ET Strike$7,000.00 Expiry2026-12-18 Qty3,950 Price$764.65 SentimentNA
  • 2 SPCX PUT $206.10M
    Time14:29 ET Strike$205.00 Expiry2026-09-18 Qty41,220 Price$50.00 SentimentNA
  • 3 SPX CALL $177.54M
    Time10:06 ET Strike$7,000.00 Expiry2026-11-20 Qty2,500 Price$710.17 SentimentBULLISH
  • 4 SPX CALL $170.44M
    Time10:08 ET Strike$7,000.00 Expiry2026-11-20 Qty2,400 Price$710.17 SentimentBULLISH
  • 5 SPX CALL $162.22M
    Time12:10 ET Strike$7,700.00 Expiry2026-12-18 Qty7,500 Price$216.30 SentimentNA
  • 6 SPX PUT $157.71M
    Time12:10 ET Strike$7,700.00 Expiry2026-12-18 Qty7,500 Price$210.28 SentimentNA
  • 7 SPCX PUT $154.98M
    Time14:29 ET Strike$200.00 Expiry2026-09-18 Qty34,440 Price$45.00 SentimentNA
  • 8 SPX PUT $146.15M
    Time12:51 ET Strike$8,000.00 Expiry2026-12-18 Qty3,950 Price$370.00 SentimentNA
  • 9 SPX CALL $141.23M
    Time11:06 ET Strike$7,000.00 Expiry2026-11-20 Qty2,000 Price$706.16 SentimentNA
  • 10 SPX CALL $140.08M
    Time11:54 ET Strike$7,700.00 Expiry2026-12-18 Qty6,500 Price$215.51 SentimentNA
  • 11 SPX PUT $137.15M
    Time11:54 ET Strike$7,700.00 Expiry2026-12-18 Qty6,500 Price$211.00 SentimentNA
  • 12 SPX CALL $126.41M
    Time11:07 ET Strike$7,000.00 Expiry2026-09-18 Qty2,000 Price$632.03 SentimentBULLISH
  • 13 SPCX PUT $113.01M
    Time14:33 ET Strike$205.00 Expiry2026-09-18 Qty22,400 Price$50.45 SentimentNA
  • 14 SPX PUT $91.86M
    Time10:06 ET Strike$8,000.00 Expiry2026-11-20 Qty2,500 Price$367.42 SentimentBULLISH
  • 15 SPCX PUT $90.50M
    Time14:33 ET Strike$200.00 Expiry2026-09-18 Qty20,000 Price$45.25 SentimentNA
  • 16 SPX PUT $88.18M
    Time10:08 ET Strike$8,000.00 Expiry2026-11-20 Qty2,400 Price$367.42 SentimentBULLISH
  • 17 IWM PUT $87.17M
    Time15:48 ET Strike$315.00 Expiry2026-09-18 Qty29,750 Price$29.30 SentimentNA
  • 18 SPCX PUT $79.05M
    Time14:39 ET Strike$205.00 Expiry2026-09-18 Qty15,700 Price$50.35 SentimentNA
  • 19 SPCX PUT $74.44M
    Time15:43 ET Strike$205.00 Expiry2026-09-18 Qty14,978 Price$49.70 SentimentNA
  • 20 SPX PUT $74.33M
    Time11:06 ET Strike$8,000.00 Expiry2026-11-20 Qty2,000 Price$371.67 SentimentNA
  • 21 SPX PUT $73.59M
    Time11:07 ET Strike$8,000.00 Expiry2026-09-18 Qty2,000 Price$367.97 SentimentBULLISH
  • 22 SPCX PUT $73.58M
    Time14:29 ET Strike$205.00 Expiry2026-09-18 Qty15,000 Price$49.05 SentimentNA
  • 23 LULU PUT $69.62M
    Time14:48 ET Strike$0.00 Expiry2026-12-18 Qty3,450 Price$201.80 SentimentNA
  • 24 LULU PUT $69.44M
    Time15:58 ET Strike$0.00 Expiry2026-12-18 Qty3,454 Price$201.05 SentimentNA
  • 25 AMGN PUT $68.24M
    Time14:33 ET Strike$460.00 Expiry2026-10-16 Qty8,430 Price$80.95 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.