OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

BA $210.00 Put

BA281215P00210000

Latest saved OI446Oct 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 $210.00 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. 4462230 2026-10-02: 443 OI2026-10-05: 443 OI2026-10-06: 443 OI2026-10-07: 445 OI2026-10-08: 445 OI2026-10-09: 445 OI2026-10-13: 445 OI2026-10-14: 445 OI2026-10-15: 445 OI2026-10-16: 446 OI2026-10-21: 446 OI2026-10-23: 446 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, 2026Viewing4460
Oct 21, 20264460
Oct 16, 2026446+1
Oct 15, 20264450
Oct 14, 20264450
Oct 13, 20264450
Oct 09, 20264450
Oct 08, 20264450
Oct 07, 2026445+2
Oct 06, 20264430
Oct 05, 20264430
Oct 02, 2026443No prior observation