OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CRCL $40.00 Put

CRCL261120P00040000

Latest saved OI491Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CRCL $40.00 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. 4922460 2026-10-02: 490 OI2026-10-05: 490 OI2026-10-06: 490 OI2026-10-07: 490 OI2026-10-08: 490 OI2026-10-09: 490 OI2026-10-13: 491 OI2026-10-14: 491 OI2026-10-15: 491 OI2026-10-16: 492 OI2026-10-21: 492 OI2026-10-23: 491 OI Oct 02, 2026Oct 23, 2026

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

CRCL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing491-1
Oct 21, 20264920
Oct 16, 2026492+1
Oct 15, 20264910
Oct 14, 20264910
Oct 13, 2026491+1
Oct 09, 20264900
Oct 08, 20264900
Oct 07, 20264900
Oct 06, 20264900
Oct 05, 20264900
Oct 02, 2026490No prior observation