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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $230.00 Put

BA280121P00230000

Latest saved OI1,153Oct 23, 2026
Last change+10vs 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. 1,1535760 2026-10-02: 1,139 OI2026-10-05: 1,139 OI2026-10-06: 1,139 OI2026-10-07: 1,139 OI2026-10-08: 1,139 OI2026-10-09: 1,141 OI2026-10-13: 1,141 OI2026-10-14: 1,141 OI2026-10-15: 1,141 OI2026-10-16: 1,141 OI2026-10-21: 1,143 OI2026-10-23: 1,153 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, 2026Viewing1,153+10
Oct 21, 20261,143+2
Oct 16, 20261,1410
Oct 15, 20261,1410
Oct 14, 20261,1410
Oct 13, 20261,1410
Oct 09, 20261,141+2
Oct 08, 20261,1390
Oct 07, 20261,1390
Oct 06, 20261,1390
Oct 05, 20261,1390
Oct 02, 20261,139No prior observation