OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BA $100.00 Put

BA270115P00100000

Latest saved OI1,402Oct 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 $100.00 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. 1,4067030 2026-10-02: 1,365 OI2026-10-05: 1,365 OI2026-10-06: 1,365 OI2026-10-07: 1,366 OI2026-10-08: 1,366 OI2026-10-09: 1,366 OI2026-10-13: 1,406 OI2026-10-14: 1,406 OI2026-10-15: 1,406 OI2026-10-16: 1,406 OI2026-10-21: 1,402 OI2026-10-23: 1,402 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, 2026Viewing1,4020
Oct 21, 20261,402-4
Oct 16, 20261,4060
Oct 15, 20261,4060
Oct 14, 20261,4060
Oct 13, 20261,406+40
Oct 09, 20261,3660
Oct 08, 20261,3660
Oct 07, 20261,366+1
Oct 06, 20261,3650
Oct 05, 20261,3650
Oct 02, 20261,365No prior observation