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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $410.00 Put

UNH261218P00410000

Latest saved OI678Oct 23, 2026
Last change+11vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $410.00 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. 6783390 2026-10-02: 245 OI2026-10-05: 245 OI2026-10-06: 330 OI2026-10-07: 378 OI2026-10-08: 378 OI2026-10-09: 385 OI2026-10-14: 455 OI2026-10-15: 540 OI2026-10-16: 612 OI2026-10-21: 667 OI2026-10-23: 678 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, 2026Viewing678+11
Oct 21, 2026667+55
Oct 16, 2026612+72
Oct 15, 2026540+85
Oct 14, 2026455+70
Oct 09, 2026385+7
Oct 08, 20263780
Oct 07, 2026378+48
Oct 06, 2026330+85
Oct 05, 20262450
Oct 02, 2026245No prior observation