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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $355.00 Put

UNH261023P00355000

Latest saved OI206Oct 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 $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. 2551270 2026-10-02: 208 OI2026-10-05: 207 OI2026-10-06: 180 OI2026-10-07: 192 OI2026-10-08: 192 OI2026-10-09: 207 OI2026-10-14: 255 OI2026-10-15: 216 OI2026-10-16: 204 OI2026-10-21: 206 OI2026-10-23: 206 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, 2026Viewing2060
Oct 21, 2026206+2
Oct 16, 2026204-12
Oct 15, 2026216-39
Oct 14, 2026255+48
Oct 09, 2026207+15
Oct 08, 20261920
Oct 07, 2026192+12
Oct 06, 2026180-27
Oct 05, 2026207-1
Oct 02, 2026208No prior observation