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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $320.00 Call

UNH261218C00320000

Latest saved OI482Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $320.00 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. 4852420 2026-10-02: 472 OI2026-10-05: 472 OI2026-10-06: 472 OI2026-10-07: 472 OI2026-10-08: 472 OI2026-10-09: 485 OI2026-10-14: 485 OI2026-10-15: 484 OI2026-10-16: 484 OI2026-10-21: 482 OI2026-10-23: 482 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, 2026Viewing4820
Oct 21, 2026482-2
Oct 16, 20264840
Oct 15, 2026484-1
Oct 14, 20264850
Oct 09, 2026485+13
Oct 08, 20264720
Oct 07, 20264720
Oct 06, 20264720
Oct 05, 20264720
Oct 02, 2026472No prior observation