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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $230.00 Put

BA261218P00230000

Latest saved OI2,264Oct 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 $230.00 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. 2,3001,1500 2026-10-02: 2,181 OI2026-10-05: 2,181 OI2026-10-06: 2,176 OI2026-10-07: 2,176 OI2026-10-08: 2,176 OI2026-10-09: 2,177 OI2026-10-13: 2,177 OI2026-10-14: 2,177 OI2026-10-15: 2,300 OI2026-10-16: 2,300 OI2026-10-21: 2,264 OI2026-10-23: 2,264 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, 2026Viewing2,2640
Oct 21, 20262,264-36
Oct 16, 20262,3000
Oct 15, 20262,300+123
Oct 14, 20262,1770
Oct 13, 20262,1770
Oct 09, 20262,177+1
Oct 08, 20262,1760
Oct 07, 20262,1760
Oct 06, 20262,176-5
Oct 05, 20262,1810
Oct 02, 20262,181No prior observation