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Contract OI history

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Mar 19, 2027 EXPIRATION

UNH $220.00 Put

UNH270319P00220000

Latest saved OI411Oct 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 $220.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4412200 2026-10-02: 441 OI2026-10-05: 441 OI2026-10-06: 437 OI2026-10-07: 436 OI2026-10-08: 436 OI2026-10-09: 436 OI2026-10-14: 436 OI2026-10-15: 437 OI2026-10-16: 410 OI2026-10-21: 411 OI2026-10-23: 411 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, 2026Viewing4110
Oct 21, 2026411+1
Oct 16, 2026410-27
Oct 15, 2026437+1
Oct 14, 20264360
Oct 09, 20264360
Oct 08, 20264360
Oct 07, 2026436-1
Oct 06, 2026437-4
Oct 05, 20264410
Oct 02, 2026441No prior observation