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Contract OI history

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Jan 19, 2029 EXPIRATION

BAC $27.50 Put

BAC290119P00027500

Latest saved OI109Oct 23, 2026
Last change-10vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $27.50 put open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 119590 2026-10-06: 0 OI2026-10-07: 40 OI2026-10-08: 40 OI2026-10-09: 46 OI2026-10-13: 46 OI2026-10-14: 46 OI2026-10-15: 72 OI2026-10-16: 99 OI2026-10-21: 119 OI2026-10-23: 109 OI Oct 06, 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, 2026Viewing109-10
Oct 21, 2026119+20
Oct 16, 202699+27
Oct 15, 202672+26
Oct 14, 2026460
Oct 13, 2026460
Oct 09, 202646+6
Oct 08, 2026400
Oct 07, 202640+40
Oct 06, 20260No prior observation