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Contract OI history

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Dec 15, 2028 EXPIRATION

B $35.00 Call

B281215C00035000

Latest saved OI4,736Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $35.00 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. 4,7362,3680 2026-10-02: 4,492 OI2026-10-05: 4,490 OI2026-10-06: 4,490 OI2026-10-07: 4,490 OI2026-10-08: 4,490 OI2026-10-09: 4,490 OI2026-10-13: 4,721 OI2026-10-14: 4,721 OI2026-10-15: 4,721 OI2026-10-16: 4,721 OI2026-10-21: 4,731 OI2026-10-23: 4,736 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, 2026Viewing4,736+5
Oct 21, 20264,731+10
Oct 16, 20264,7210
Oct 15, 20264,7210
Oct 14, 20264,7210
Oct 13, 20264,721+231
Oct 09, 20264,4900
Oct 08, 20264,4900
Oct 07, 20264,4900
Oct 06, 20264,4900
Oct 05, 20264,490-2
Oct 02, 20264,492No prior observation