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Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $500.00 Put

UNH281215P00500000

Latest saved OI154Oct 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 $500.00 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. 154770 2026-10-02: 145 OI2026-10-05: 145 OI2026-10-06: 145 OI2026-10-07: 145 OI2026-10-08: 145 OI2026-10-09: 145 OI2026-10-14: 145 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 154 OI2026-10-23: 154 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, 2026Viewing1540
Oct 21, 2026154+6
Oct 16, 20261480
Oct 15, 2026148+3
Oct 14, 20261450
Oct 09, 20261450
Oct 08, 20261450
Oct 07, 20261450
Oct 06, 20261450
Oct 05, 20261450
Oct 02, 2026145No prior observation