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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $240.00 Put

BA261218P00240000

Latest saved OI186Oct 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. 7613800 2026-10-02: 711 OI2026-10-05: 711 OI2026-10-06: 711 OI2026-10-07: 711 OI2026-10-08: 711 OI2026-10-09: 761 OI2026-10-13: 589 OI2026-10-14: 589 OI2026-10-15: 186 OI2026-10-16: 186 OI2026-10-21: 186 OI2026-10-23: 186 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, 2026Viewing1860
Oct 21, 20261860
Oct 16, 20261860
Oct 15, 2026186-403
Oct 14, 20265890
Oct 13, 2026589-172
Oct 09, 2026761+50
Oct 08, 20267110
Oct 07, 20267110
Oct 06, 20267110
Oct 05, 20267110
Oct 02, 2026711No prior observation