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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $170.00 Put

UNH261218P00170000

Latest saved OI264Oct 23, 2026
Last change+97vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $170.00 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. 2641320 2026-10-02: 79 OI2026-10-05: 78 OI2026-10-06: 103 OI2026-10-07: 104 OI2026-10-08: 104 OI2026-10-09: 108 OI2026-10-14: 108 OI2026-10-15: 108 OI2026-10-16: 107 OI2026-10-21: 167 OI2026-10-23: 264 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, 2026Viewing264+97
Oct 21, 2026167+60
Oct 16, 2026107-1
Oct 15, 20261080
Oct 14, 20261080
Oct 09, 2026108+4
Oct 08, 20261040
Oct 07, 2026104+1
Oct 06, 2026103+25
Oct 05, 202678-1
Oct 02, 202679No prior observation