OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

STX $820.00 Put

STX261023P00820000

Latest saved OI2Oct 23, 2026
Last change-48vs 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. 3241620 2026-10-09: 324 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 300 OI2026-10-16: 293 OI2026-10-21: 50 OI2026-10-23: 2 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, 2026Viewing2-48
Oct 21, 202650-243
Oct 16, 2026293-7
Oct 15, 2026300+1
Oct 14, 20262990
Oct 13, 2026299-25
Oct 09, 2026324No prior observation