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Contract OI history

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Jan 21, 2028 EXPIRATION

UA $2.50 Call

UA280121C00002500

Latest saved OI1,280Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UA $2.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3106550 2026-10-02: 1,270 OI2026-10-05: 1,270 OI2026-10-06: 1,271 OI2026-10-07: 1,282 OI2026-10-08: 1,306 OI2026-10-09: 1,306 OI2026-10-14: 1,310 OI2026-10-16: 1,299 OI2026-10-21: 1,279 OI2026-10-23: 1,280 OI Oct 02, 2026Oct 23, 2026

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

UA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,280+1
Oct 21, 20261,279-20
Oct 16, 20261,299-11
Oct 14, 20261,310+4
Oct 09, 20261,3060
Oct 08, 20261,306+24
Oct 07, 20261,282+11
Oct 06, 20261,271+1
Oct 05, 20261,2700
Oct 02, 20261,270No prior observation