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Contract OI history

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Nov 06, 2026 EXPIRATION

UNH $355.00 Put

UNH261106P00355000

Latest saved OI272Oct 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 $355.00 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. 2741370 2026-10-02: 58 OI2026-10-05: 58 OI2026-10-06: 67 OI2026-10-07: 69 OI2026-10-08: 69 OI2026-10-09: 98 OI2026-10-14: 103 OI2026-10-15: 130 OI2026-10-16: 122 OI2026-10-21: 274 OI2026-10-23: 272 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, 2026Viewing272-2
Oct 21, 2026274+152
Oct 16, 2026122-8
Oct 15, 2026130+27
Oct 14, 2026103+5
Oct 09, 202698+29
Oct 08, 2026690
Oct 07, 202669+2
Oct 06, 202667+9
Oct 05, 2026580
Oct 02, 202658No prior observation