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Contract OI history

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Nov 20, 2026 EXPIRATION

B $41.00 Call

B261120C00041000

Latest saved OI2,570Oct 23, 2026
Last change+107vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $41.00 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. 2,5701,2850 2026-10-02: 2,020 OI2026-10-05: 2,034 OI2026-10-06: 2,034 OI2026-10-07: 2,044 OI2026-10-08: 2,058 OI2026-10-09: 2,084 OI2026-10-13: 2,133 OI2026-10-14: 2,129 OI2026-10-15: 2,123 OI2026-10-16: 2,141 OI2026-10-21: 2,463 OI2026-10-23: 2,570 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, 2026Viewing2,570+107
Oct 21, 20262,463+322
Oct 16, 20262,141+18
Oct 15, 20262,123-6
Oct 14, 20262,129-4
Oct 13, 20262,133+49
Oct 09, 20262,084+26
Oct 08, 20262,058+14
Oct 07, 20262,044+10
Oct 06, 20262,0340
Oct 05, 20262,034+14
Oct 02, 20262,020No prior observation