OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

B $75.00 Call

B261218C00075000

Latest saved OI442Oct 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 $75.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4422210 2026-10-02: 442 OI2026-10-05: 442 OI2026-10-06: 442 OI2026-10-07: 442 OI2026-10-08: 442 OI2026-10-09: 442 OI2026-10-13: 442 OI2026-10-14: 442 OI2026-10-15: 442 OI2026-10-16: 442 OI2026-10-21: 442 OI2026-10-23: 442 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, 2026Viewing4420
Oct 21, 20264420
Oct 16, 20264420
Oct 15, 20264420
Oct 14, 20264420
Oct 13, 20264420
Oct 09, 20264420
Oct 08, 20264420
Oct 07, 20264420
Oct 06, 20264420
Oct 05, 20264420
Oct 02, 2026442No prior observation