OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

B $36.00 Put

B261106P00036000

Latest saved OI452Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $36.00 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. 4522260 2026-10-02: 25 OI2026-10-05: 25 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 29 OI2026-10-09: 39 OI2026-10-13: 39 OI2026-10-14: 39 OI2026-10-15: 210 OI2026-10-16: 447 OI2026-10-21: 452 OI2026-10-23: 452 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4520
Oct 21, 2026452+5
Oct 16, 2026447+237
Oct 15, 2026210+171
Oct 14, 2026390
Oct 13, 2026390
Oct 09, 202639+10
Oct 08, 202629+4
Oct 07, 2026250
Oct 06, 2026250
Oct 05, 2026250
Oct 02, 202625No prior observation