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Contract OI history

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Dec 18, 2026 EXPIRATION

UAL $77.50 Put

UAL261218P00077500

Latest saved OI201Oct 23, 2026
Last change+5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UAL $77.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2011000 2026-10-09: 190 OI2026-10-14: 190 OI2026-10-15: 190 OI2026-10-16: 190 OI2026-10-21: 196 OI2026-10-23: 201 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026201+5
Oct 21, 2026Viewing196+6
Oct 16, 20261900
Oct 15, 20261900
Oct 14, 20261900
Oct 09, 2026190No prior observation