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Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $280.00 Put

UNH281215P00280000

Latest saved OI582Oct 23, 2026
Last change-10vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $280.00 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. 6073030 2026-10-02: 549 OI2026-10-05: 549 OI2026-10-06: 544 OI2026-10-07: 542 OI2026-10-08: 542 OI2026-10-09: 606 OI2026-10-14: 607 OI2026-10-15: 606 OI2026-10-16: 606 OI2026-10-21: 592 OI2026-10-23: 582 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, 2026Viewing582-10
Oct 21, 2026592-14
Oct 16, 20266060
Oct 15, 2026606-1
Oct 14, 2026607+1
Oct 09, 2026606+64
Oct 08, 20265420
Oct 07, 2026542-2
Oct 06, 2026544-5
Oct 05, 20265490
Oct 02, 2026549No prior observation