OITracker Cboe delayed data

Contract OI history

Back to BA

Mar 19, 2027 EXPIRATION

BA $220.00 Put

BA270319P00220000

Latest saved OI257Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $220.00 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. 2571280 2026-10-02: 212 OI2026-10-05: 212 OI2026-10-06: 241 OI2026-10-07: 241 OI2026-10-08: 241 OI2026-10-09: 242 OI2026-10-13: 242 OI2026-10-14: 242 OI2026-10-15: 248 OI2026-10-16: 248 OI2026-10-21: 248 OI2026-10-23: 257 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, 2026Viewing257+9
Oct 21, 20262480
Oct 16, 20262480
Oct 15, 2026248+6
Oct 14, 20262420
Oct 13, 20262420
Oct 09, 2026242+1
Oct 08, 20262410
Oct 07, 20262410
Oct 06, 2026241+29
Oct 05, 20262120
Oct 02, 2026212No prior observation