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Contract OI history

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Oct 23, 2026 EXPIRATION

BA $187.50 Put

BA261023P00187500

Latest saved OI1,038Oct 23, 2026
Last change-74vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $187.50 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. 1,1125560 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 53 OI2026-10-07: 87 OI2026-10-08: 87 OI2026-10-09: 168 OI2026-10-13: 208 OI2026-10-14: 208 OI2026-10-15: 212 OI2026-10-16: 241 OI2026-10-21: 1,112 OI2026-10-23: 1,038 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, 2026Viewing1,038-74
Oct 21, 20261,112+871
Oct 16, 2026241+29
Oct 15, 2026212+4
Oct 14, 20262080
Oct 13, 2026208+40
Oct 09, 2026168+81
Oct 08, 2026870
Oct 07, 202687+34
Oct 06, 202653+53
Oct 05, 202600
Oct 02, 20260No prior observation