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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $205.00 Put

BA280121P00205000

Latest saved OI771Oct 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 $205.00 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. 7713850 2026-10-02: 628 OI2026-10-05: 628 OI2026-10-06: 628 OI2026-10-07: 628 OI2026-10-08: 628 OI2026-10-09: 633 OI2026-10-13: 632 OI2026-10-14: 632 OI2026-10-15: 632 OI2026-10-16: 632 OI2026-10-21: 771 OI2026-10-23: 771 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, 2026Viewing7710
Oct 21, 2026771+139
Oct 16, 20266320
Oct 15, 20266320
Oct 14, 20266320
Oct 13, 2026632-1
Oct 09, 2026633+5
Oct 08, 20266280
Oct 07, 20266280
Oct 06, 20266280
Oct 05, 20266280
Oct 02, 2026628No prior observation