OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

STX $820.00 Put

STX261218P00820000

Latest saved OI211Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $820.00 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. 2161080 2026-10-09: 192 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 205 OI2026-10-16: 204 OI2026-10-21: 216 OI2026-10-23: 211 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, 2026Viewing211-5
Oct 21, 2026216+12
Oct 16, 2026204-1
Oct 15, 2026205+7
Oct 14, 20261980
Oct 13, 2026198+6
Oct 09, 2026192No prior observation