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SPX281215P00400000
SPX Dec 15 2028 400.00 Put
optionOPRA

EODOct 28, 2026
0.42USD-6.667%(-0.03)1Vol2,051OI
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Underlying
Type
Put
Strike
400
Expiration
Dec 15, 2028
DTE
778d
SPX 400 Put Across Expirations
ExpirationDTELastChangeVolOpen Int
Nov 20, 202622d$0.03-40.00%111,321
Dec 18, 202650d$0.03-40.00%34,256
Jan 15, 202778d$0.04-20.00%45,915
Feb 19, 2027113d$0.05+0.00%7,0008,010
Mar 19, 2027141d$0.18-10.00%225
Apr 16, 2027169d$0.05+0.00%10,00010,433
May 21, 2027204d$0.05+0.00%40,45140,455
Jun 17, 2027231d$0.07-65.00%2576
Jul 16, 2027260d——00
Aug 20, 2027295d——00
Sep 17, 2027323d$0.05+0.00%1565
Dec 17, 2027414d$0.20+81.82%12,344
Dec 15, 2028778d$0.42-6.67%12,051
Dec 21, 20291149d$0.65-1.52%11,123
Dec 20, 20301513d$0.72-10.00%12,126
SPX Nearby Strikes · Dec 15, 2028
StrikeLastChangeVolOpen IntMoneyness
400 P$0.42-6.67%12,051OTM
800 P$1.65+7.84%81,128OTM
1200 P$4.00-4.76%2175OTM
1600 P$8.10-2.17%3224OTM
1800 P$11.96-1.97%1238OTM
2000 P$13.50+0.52%31,018OTM
2200 P$22.35+1.59%1175OTM