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Contract OI history

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Feb 19, 2027 EXPIRATION

BA $215.00 Put

BA270219P00215000

Latest saved OI525Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $215.00 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. 5352670 2026-10-02: 535 OI2026-10-05: 534 OI2026-10-06: 534 OI2026-10-07: 534 OI2026-10-08: 534 OI2026-10-09: 534 OI2026-10-13: 534 OI2026-10-14: 534 OI2026-10-15: 534 OI2026-10-16: 534 OI2026-10-21: 524 OI2026-10-23: 525 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, 2026Viewing525+1
Oct 21, 2026524-10
Oct 16, 20265340
Oct 15, 20265340
Oct 14, 20265340
Oct 13, 20265340
Oct 09, 20265340
Oct 08, 20265340
Oct 07, 20265340
Oct 06, 20265340
Oct 05, 2026534-1
Oct 02, 2026535No prior observation