OITracker Cboe delayed data

Contract OI history

Back to BAC

Sep 17, 2027 EXPIRATION

BAC $42.50 Put

BAC270917P00042500

Latest saved OI1,352Oct 23, 2026
Last change+316vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $42.50 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. 1,3526760 2026-10-02: 147 OI2026-10-05: 147 OI2026-10-06: 126 OI2026-10-07: 126 OI2026-10-08: 126 OI2026-10-09: 332 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-15: 337 OI2026-10-16: 357 OI2026-10-21: 1,036 OI2026-10-23: 1,352 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, 2026Viewing1,352+316
Oct 21, 20261,036+679
Oct 16, 2026357+20
Oct 15, 2026337+4
Oct 14, 20263330
Oct 13, 2026333+1
Oct 09, 2026332+206
Oct 08, 20261260
Oct 07, 20261260
Oct 06, 2026126-21
Oct 05, 20261470
Oct 02, 2026147No prior observation