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Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $340.00 Put

UNH271217P00340000

Latest saved OI495Oct 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 $340.00 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. 5342670 2026-10-02: 522 OI2026-10-05: 522 OI2026-10-06: 534 OI2026-10-07: 497 OI2026-10-08: 497 OI2026-10-09: 498 OI2026-10-14: 498 OI2026-10-15: 498 OI2026-10-16: 498 OI2026-10-21: 497 OI2026-10-23: 495 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, 2026Viewing495-2
Oct 21, 2026497-1
Oct 16, 20264980
Oct 15, 20264980
Oct 14, 20264980
Oct 09, 2026498+1
Oct 08, 20264970
Oct 07, 2026497-37
Oct 06, 2026534+12
Oct 05, 20265220
Oct 02, 2026522No prior observation