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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $210.00 Put

BA261218P00210000

Latest saved OI2,109Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $210.00 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. 2,1091,0540 2026-10-02: 1,991 OI2026-10-05: 1,991 OI2026-10-06: 2,004 OI2026-10-07: 2,025 OI2026-10-08: 2,025 OI2026-10-09: 2,040 OI2026-10-13: 2,098 OI2026-10-14: 2,098 OI2026-10-15: 2,101 OI2026-10-16: 2,101 OI2026-10-21: 2,105 OI2026-10-23: 2,109 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, 2026Viewing2,109+4
Oct 21, 20262,105+4
Oct 16, 20262,1010
Oct 15, 20262,101+3
Oct 14, 20262,0980
Oct 13, 20262,098+58
Oct 09, 20262,040+15
Oct 08, 20262,0250
Oct 07, 20262,025+21
Oct 06, 20262,004+13
Oct 05, 20261,9910
Oct 02, 20261,991No prior observation