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Contract OI history

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Dec 18, 2026 EXPIRATION

BAC $28.00 Put

BAC261218P00028000

Latest saved OI5,072Oct 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 $28.00 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. 5,0882,5440 2026-10-02: 5,088 OI2026-10-05: 5,088 OI2026-10-06: 5,088 OI2026-10-07: 5,088 OI2026-10-08: 5,088 OI2026-10-09: 5,088 OI2026-10-13: 5,088 OI2026-10-14: 5,088 OI2026-10-15: 5,073 OI2026-10-16: 5,072 OI2026-10-21: 5,072 OI2026-10-23: 5,072 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, 2026Viewing5,0720
Oct 21, 20265,0720
Oct 16, 20265,072-1
Oct 15, 20265,073-15
Oct 14, 20265,0880
Oct 13, 20265,0880
Oct 09, 20265,0880
Oct 08, 20265,0880
Oct 07, 20265,0880
Oct 06, 20265,0880
Oct 05, 20265,0880
Oct 02, 20265,088No prior observation