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Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $640.00 Call

UNH270115C00640000

Latest saved OI1,287Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $640.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2886440 2026-10-02: 1,288 OI2026-10-05: 1,288 OI2026-10-06: 1,288 OI2026-10-07: 1,288 OI2026-10-08: 1,288 OI2026-10-09: 1,288 OI2026-10-14: 1,287 OI2026-10-15: 1,287 OI2026-10-16: 1,287 OI2026-10-21: 1,286 OI2026-10-23: 1,287 OI Oct 02, 2026Oct 23, 2026

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

UNH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,287+1
Oct 21, 20261,286-1
Oct 16, 20261,2870
Oct 15, 20261,2870
Oct 14, 20261,287-1
Oct 09, 20261,2880
Oct 08, 20261,2880
Oct 07, 20261,2880
Oct 06, 20261,2880
Oct 05, 20261,2880
Oct 02, 20261,288No prior observation