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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $230.00 Put

UNH261218P00230000

Latest saved OI2,022Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $230.00 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. 2,0241,0120 2026-10-02: 549 OI2026-10-05: 549 OI2026-10-06: 551 OI2026-10-07: 551 OI2026-10-08: 551 OI2026-10-09: 551 OI2026-10-14: 545 OI2026-10-15: 551 OI2026-10-16: 553 OI2026-10-21: 2,024 OI2026-10-23: 2,022 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, 2026Viewing2,022-2
Oct 21, 20262,024+1,471
Oct 16, 2026553+2
Oct 15, 2026551+6
Oct 14, 2026545-6
Oct 09, 20265510
Oct 08, 20265510
Oct 07, 20265510
Oct 06, 2026551+2
Oct 05, 20265490
Oct 02, 2026549No prior observation