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Contract OI history

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Jan 21, 2028 EXPIRATION

UAL $55.00 Put

UAL280121P00055000

Latest saved OI2,358Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UAL $55.00 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. 2,3581,1790 2026-10-09: 2,357 OI2026-10-14: 2,357 OI2026-10-15: 2,357 OI2026-10-16: 2,357 OI2026-10-21: 2,358 OI2026-10-23: 2,358 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, 2026Viewing2,3580
Oct 21, 20262,358+1
Oct 16, 20262,3570
Oct 15, 20262,3570
Oct 14, 20262,3570
Oct 09, 20262,357No prior observation