OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

STX $800.00 Put

STX280121P00800000

Latest saved OI479Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $800.00 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. 4812400 2026-10-09: 467 OI2026-10-13: 469 OI2026-10-14: 469 OI2026-10-15: 469 OI2026-10-16: 473 OI2026-10-21: 481 OI2026-10-23: 479 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, 2026Viewing479-2
Oct 21, 2026481+8
Oct 16, 2026473+4
Oct 15, 20264690
Oct 14, 20264690
Oct 13, 2026469+2
Oct 09, 2026467No prior observation