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Contract OI history

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Dec 18, 2026 EXPIRATION

BAC $20.00 Put

BAC261218P00020000

Latest saved OI3,472Oct 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 $20.00 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. 3,4721,7360 2026-10-02: 3,472 OI2026-10-05: 3,472 OI2026-10-06: 3,472 OI2026-10-07: 3,472 OI2026-10-08: 3,472 OI2026-10-09: 3,472 OI2026-10-13: 3,472 OI2026-10-14: 3,472 OI2026-10-15: 3,472 OI2026-10-16: 3,472 OI2026-10-21: 3,472 OI2026-10-23: 3,472 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, 2026Viewing3,4720
Oct 21, 20263,4720
Oct 16, 20263,4720
Oct 15, 20263,4720
Oct 14, 20263,4720
Oct 13, 20263,4720
Oct 09, 20263,4720
Oct 08, 20263,4720
Oct 07, 20263,4720
Oct 06, 20263,4720
Oct 05, 20263,4720
Oct 02, 20263,472No prior observation