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Contract OI history

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Dec 18, 2026 EXPIRATION

BAC $50.00 Put

BAC261218P00050000

Latest saved OI13,672Oct 23, 2026
Last change+709vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 13,6726,8360 2026-10-02: 10,390 OI2026-10-05: 10,431 OI2026-10-06: 11,707 OI2026-10-07: 11,813 OI2026-10-08: 11,813 OI2026-10-09: 11,928 OI2026-10-13: 11,938 OI2026-10-14: 11,938 OI2026-10-15: 12,557 OI2026-10-16: 12,776 OI2026-10-21: 12,963 OI2026-10-23: 13,672 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing13,672+709
Oct 21, 202612,963+187
Oct 16, 202612,776+219
Oct 15, 202612,557+619
Oct 14, 202611,9380
Oct 13, 202611,938+10
Oct 09, 202611,928+115
Oct 08, 202611,8130
Oct 07, 202611,813+106
Oct 06, 202611,707+1,276
Oct 05, 202610,431+41
Oct 02, 202610,390No prior observation