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Contract OI history

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Nov 20, 2026 EXPIRATION

BAC $41.00 Put

BAC261120P00041000

Latest saved OI308Oct 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 $41.00 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. 9444720 2026-10-02: 131 OI2026-10-05: 130 OI2026-10-06: 130 OI2026-10-07: 130 OI2026-10-08: 130 OI2026-10-09: 944 OI2026-10-13: 944 OI2026-10-14: 944 OI2026-10-15: 307 OI2026-10-16: 308 OI2026-10-21: 308 OI2026-10-23: 308 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, 2026Viewing3080
Oct 21, 20263080
Oct 16, 2026308+1
Oct 15, 2026307-637
Oct 14, 20269440
Oct 13, 20269440
Oct 09, 2026944+814
Oct 08, 20261300
Oct 07, 20261300
Oct 06, 20261300
Oct 05, 2026130-1
Oct 02, 2026131No prior observation