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Contract OI history

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Mar 19, 2027 EXPIRATION

BA $185.00 Put

BA270319P00185000

Latest saved OI2,209Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $185.00 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. 2,2091,1040 2026-10-02: 2,123 OI2026-10-05: 2,124 OI2026-10-06: 2,124 OI2026-10-07: 2,128 OI2026-10-08: 2,128 OI2026-10-09: 2,135 OI2026-10-13: 2,146 OI2026-10-14: 2,146 OI2026-10-15: 2,184 OI2026-10-16: 2,186 OI2026-10-21: 2,194 OI2026-10-23: 2,209 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, 2026Viewing2,209+15
Oct 21, 20262,194+8
Oct 16, 20262,186+2
Oct 15, 20262,184+38
Oct 14, 20262,1460
Oct 13, 20262,146+11
Oct 09, 20262,135+7
Oct 08, 20262,1280
Oct 07, 20262,128+4
Oct 06, 20262,1240
Oct 05, 20262,124+1
Oct 02, 20262,123No prior observation