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Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $200.00 Put

UNH280121P00200000

Latest saved OI1,346Oct 23, 2026
Last change+26vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $200.00 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. 1,3466730 2026-10-02: 1,299 OI2026-10-05: 1,299 OI2026-10-06: 1,299 OI2026-10-07: 1,299 OI2026-10-08: 1,299 OI2026-10-09: 1,306 OI2026-10-14: 1,308 OI2026-10-15: 1,308 OI2026-10-16: 1,320 OI2026-10-21: 1,320 OI2026-10-23: 1,346 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, 2026Viewing1,346+26
Oct 21, 20261,3200
Oct 16, 20261,320+12
Oct 15, 20261,3080
Oct 14, 20261,308+2
Oct 09, 20261,306+7
Oct 08, 20261,2990
Oct 07, 20261,2990
Oct 06, 20261,2990
Oct 05, 20261,2990
Oct 02, 20261,299No prior observation