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Contract OI history

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Mar 19, 2027 EXPIRATION

BAC $40.00 Put

BAC270319P00040000

Latest saved OI4,506Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $40.00 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. 4,6442,3220 2026-10-02: 3,089 OI2026-10-05: 3,149 OI2026-10-06: 3,146 OI2026-10-07: 3,146 OI2026-10-08: 3,146 OI2026-10-09: 4,302 OI2026-10-13: 4,304 OI2026-10-14: 4,304 OI2026-10-15: 4,627 OI2026-10-16: 4,644 OI2026-10-21: 4,506 OI2026-10-23: 4,506 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, 2026Viewing4,5060
Oct 21, 20264,506-138
Oct 16, 20264,644+17
Oct 15, 20264,627+323
Oct 14, 20264,3040
Oct 13, 20264,304+2
Oct 09, 20264,302+1,156
Oct 08, 20263,1460
Oct 07, 20263,1460
Oct 06, 20263,146-3
Oct 05, 20263,149+60
Oct 02, 20263,089No prior observation