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Contract OI history

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Nov 20, 2026 EXPIRATION

BAC $42.00 Put

BAC261120P00042000

Latest saved OI594Oct 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
BAC $42.00 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. 6983490 2026-10-02: 550 OI2026-10-05: 550 OI2026-10-06: 572 OI2026-10-07: 572 OI2026-10-08: 572 OI2026-10-09: 572 OI2026-10-13: 572 OI2026-10-14: 572 OI2026-10-15: 698 OI2026-10-16: 581 OI2026-10-21: 589 OI2026-10-23: 594 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, 2026Viewing594+5
Oct 21, 2026589+8
Oct 16, 2026581-117
Oct 15, 2026698+126
Oct 14, 20265720
Oct 13, 20265720
Oct 09, 20265720
Oct 08, 20265720
Oct 07, 20265720
Oct 06, 2026572+22
Oct 05, 20265500
Oct 02, 2026550No prior observation