OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

STX $665.00 Put

STX261030P00665000

Latest saved OI115Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $665.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 140700 2026-10-09: 71 OI2026-10-13: 71 OI2026-10-14: 71 OI2026-10-15: 134 OI2026-10-16: 140 OI2026-10-21: 130 OI2026-10-23: 115 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

STX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing115-15
Oct 21, 2026130-10
Oct 16, 2026140+6
Oct 15, 2026134+63
Oct 14, 2026710
Oct 13, 2026710
Oct 09, 202671No prior observation