OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

BA $190.00 Put

BA270521P00190000

Latest saved OI69Oct 23, 2026
Last change0vs 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. 69340 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 36 OI2026-10-07: 37 OI2026-10-08: 37 OI2026-10-09: 40 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 45 OI2026-10-16: 65 OI2026-10-21: 69 OI2026-10-23: 69 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, 2026Viewing690
Oct 21, 202669+4
Oct 16, 202665+20
Oct 15, 2026450
Oct 14, 2026450
Oct 13, 202645+5
Oct 09, 202640+3
Oct 08, 2026370
Oct 07, 202637+1
Oct 06, 2026360
Oct 05, 2026360
Oct 02, 202636No prior observation