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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $215.00 Put

BA261218P00215000

Latest saved OI2,852Oct 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 $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. 2,8521,4260 2026-10-02: 2,851 OI2026-10-05: 2,851 OI2026-10-06: 2,852 OI2026-10-07: 2,852 OI2026-10-08: 2,852 OI2026-10-09: 2,852 OI2026-10-13: 2,852 OI2026-10-14: 2,852 OI2026-10-15: 2,852 OI2026-10-16: 2,852 OI2026-10-21: 2,852 OI2026-10-23: 2,852 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, 2026Viewing2,8520
Oct 21, 20262,8520
Oct 16, 20262,8520
Oct 15, 20262,8520
Oct 14, 20262,8520
Oct 13, 20262,8520
Oct 09, 20262,8520
Oct 08, 20262,8520
Oct 07, 20262,8520
Oct 06, 20262,852+1
Oct 05, 20262,8510
Oct 02, 20262,851No prior observation