OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

CLS $290.00 Put

CLS261030P00290000

Latest saved OI501Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $290.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5052520 2026-10-02: 54 OI2026-10-05: 63 OI2026-10-06: 59 OI2026-10-07: 70 OI2026-10-08: 80 OI2026-10-09: 80 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-15: 95 OI2026-10-16: 92 OI2026-10-21: 505 OI2026-10-23: 501 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing501-4
Oct 21, 2026505+413
Oct 16, 202692-3
Oct 15, 202695+7
Oct 14, 2026880
Oct 13, 202688+8
Oct 09, 2026800
Oct 08, 202680+10
Oct 07, 202670+11
Oct 06, 202659-4
Oct 05, 202663+9
Oct 02, 202654No prior observation