OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STX $530.00 Put

STX270115P00530000

Latest saved OI140Oct 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 $530.00 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. 163810 2026-10-09: 139 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 148 OI2026-10-16: 149 OI2026-10-21: 142 OI2026-10-23: 140 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, 2026Viewing140-2
Oct 21, 2026142-7
Oct 16, 2026149+1
Oct 15, 2026148-15
Oct 14, 20261630
Oct 13, 2026163+24
Oct 09, 2026139No prior observation