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Contract OI history

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Oct 23, 2026 EXPIRATION

B $42.00 Call

B261023C00042000

Latest saved OI4,013Oct 23, 2026
Last change+2,196vs 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. 4,0132,0060 2026-10-02: 19 OI2026-10-05: 125 OI2026-10-06: 125 OI2026-10-07: 141 OI2026-10-08: 144 OI2026-10-09: 144 OI2026-10-13: 213 OI2026-10-14: 418 OI2026-10-15: 398 OI2026-10-16: 757 OI2026-10-21: 1,817 OI2026-10-23: 4,013 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, 2026Viewing4,013+2,196
Oct 21, 20261,817+1,060
Oct 16, 2026757+359
Oct 15, 2026398-20
Oct 14, 2026418+205
Oct 13, 2026213+69
Oct 09, 20261440
Oct 08, 2026144+3
Oct 07, 2026141+16
Oct 06, 20261250
Oct 05, 2026125+106
Oct 02, 202619No prior observation