OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BA $190.00 Put

BA270219P00190000

Latest saved OI512Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $190.00 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. 5122560 2026-10-02: 373 OI2026-10-05: 390 OI2026-10-06: 395 OI2026-10-07: 451 OI2026-10-08: 451 OI2026-10-09: 456 OI2026-10-13: 457 OI2026-10-14: 457 OI2026-10-15: 458 OI2026-10-16: 498 OI2026-10-21: 499 OI2026-10-23: 512 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing512+13
Oct 21, 2026499+1
Oct 16, 2026498+40
Oct 15, 2026458+1
Oct 14, 20264570
Oct 13, 2026457+1
Oct 09, 2026456+5
Oct 08, 20264510
Oct 07, 2026451+56
Oct 06, 2026395+5
Oct 05, 2026390+17
Oct 02, 2026373No prior observation