OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BA $240.00 Put

BA270115P00240000

Latest saved OI1,135Oct 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 $240.00 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. 1,1355670 2026-10-02: 917 OI2026-10-05: 940 OI2026-10-06: 937 OI2026-10-07: 937 OI2026-10-08: 937 OI2026-10-09: 1,002 OI2026-10-13: 1,080 OI2026-10-14: 1,080 OI2026-10-15: 1,110 OI2026-10-16: 1,112 OI2026-10-21: 1,135 OI2026-10-23: 1,135 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, 2026Viewing1,1350
Oct 21, 20261,135+23
Oct 16, 20261,112+2
Oct 15, 20261,110+30
Oct 14, 20261,0800
Oct 13, 20261,080+78
Oct 09, 20261,002+65
Oct 08, 20269370
Oct 07, 20269370
Oct 06, 2026937-3
Oct 05, 2026940+23
Oct 02, 2026917No prior observation