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Contract OI history

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Mar 19, 2027 EXPIRATION

BA $170.00 Put

BA270319P00170000

Latest saved OI2,181Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $170.00 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. 2,1811,0900 2026-10-02: 1,243 OI2026-10-05: 1,243 OI2026-10-06: 1,846 OI2026-10-07: 1,857 OI2026-10-08: 1,857 OI2026-10-09: 1,876 OI2026-10-13: 2,161 OI2026-10-14: 2,161 OI2026-10-15: 2,172 OI2026-10-16: 2,172 OI2026-10-21: 2,176 OI2026-10-23: 2,181 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, 2026Viewing2,181+5
Oct 21, 20262,176+4
Oct 16, 20262,1720
Oct 15, 20262,172+11
Oct 14, 20262,1610
Oct 13, 20262,161+285
Oct 09, 20261,876+19
Oct 08, 20261,8570
Oct 07, 20261,857+11
Oct 06, 20261,846+603
Oct 05, 20261,2430
Oct 02, 20261,243No prior observation