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Contract OI history

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Oct 30, 2026 EXPIRATION

BA $172.50 Put

BA261030P00172500

Latest saved OI226Oct 23, 2026
Last change+161vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $172.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2261130 2026-10-09: 0 OI2026-10-13: 42 OI2026-10-14: 42 OI2026-10-15: 45 OI2026-10-16: 56 OI2026-10-21: 65 OI2026-10-23: 226 OI Oct 09, 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, 2026Viewing226+161
Oct 21, 202665+9
Oct 16, 202656+11
Oct 15, 202645+3
Oct 14, 2026420
Oct 13, 202642+42
Oct 09, 20260No prior observation