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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $185.00 Put

BA261218P00185000

Latest saved OI1,628Oct 23, 2026
Last change+41vs 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. 1,9469730 2026-10-02: 1,834 OI2026-10-05: 1,856 OI2026-10-06: 1,882 OI2026-10-07: 1,913 OI2026-10-08: 1,913 OI2026-10-09: 1,936 OI2026-10-13: 1,946 OI2026-10-14: 1,946 OI2026-10-15: 1,523 OI2026-10-16: 1,563 OI2026-10-21: 1,587 OI2026-10-23: 1,628 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, 2026Viewing1,628+41
Oct 21, 20261,587+24
Oct 16, 20261,563+40
Oct 15, 20261,523-423
Oct 14, 20261,9460
Oct 13, 20261,946+10
Oct 09, 20261,936+23
Oct 08, 20261,9130
Oct 07, 20261,913+31
Oct 06, 20261,882+26
Oct 05, 20261,856+22
Oct 02, 20261,834No prior observation