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Contract OI history

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Oct 30, 2026 EXPIRATION

B $42.00 Call

B261030C00042000

Latest saved OI1,143Oct 23, 2026
Last change+383vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $42.00 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. 1,1435710 2026-10-02: 10 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 51 OI2026-10-08: 72 OI2026-10-09: 274 OI2026-10-13: 289 OI2026-10-14: 409 OI2026-10-15: 417 OI2026-10-16: 578 OI2026-10-21: 760 OI2026-10-23: 1,143 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, 2026Viewing1,143+383
Oct 21, 2026760+182
Oct 16, 2026578+161
Oct 15, 2026417+8
Oct 14, 2026409+120
Oct 13, 2026289+15
Oct 09, 2026274+202
Oct 08, 202672+21
Oct 07, 202651+18
Oct 06, 2026330
Oct 05, 202633+23
Oct 02, 202610No prior observation