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Contract OI history

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Jan 15, 2027 EXPIRATION

BAC $40.00 Put

BAC270115P00040000

Latest saved OI16,997Oct 23, 2026
Last change-1,471vs 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. 18,4689,2340 2026-10-02: 18,219 OI2026-10-05: 18,261 OI2026-10-06: 18,137 OI2026-10-07: 18,142 OI2026-10-08: 18,142 OI2026-10-09: 18,139 OI2026-10-13: 18,137 OI2026-10-14: 18,137 OI2026-10-15: 18,257 OI2026-10-16: 18,268 OI2026-10-21: 18,468 OI2026-10-23: 16,997 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, 2026Viewing16,997-1,471
Oct 21, 202618,468+200
Oct 16, 202618,268+11
Oct 15, 202618,257+120
Oct 14, 202618,1370
Oct 13, 202618,137-2
Oct 09, 202618,139-3
Oct 08, 202618,1420
Oct 07, 202618,142+5
Oct 06, 202618,137-124
Oct 05, 202618,261+42
Oct 02, 202618,219No prior observation