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Contract OI history

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Sep 17, 2027 EXPIRATION

UNH $390.00 Put

UNH270917P00390000

Latest saved OI510Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $390.00 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. 6633310 2026-10-02: 539 OI2026-10-05: 539 OI2026-10-06: 663 OI2026-10-07: 574 OI2026-10-08: 574 OI2026-10-09: 572 OI2026-10-14: 521 OI2026-10-15: 521 OI2026-10-16: 512 OI2026-10-21: 511 OI2026-10-23: 510 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, 2026Viewing510-1
Oct 21, 2026511-1
Oct 16, 2026512-9
Oct 15, 20265210
Oct 14, 2026521-51
Oct 09, 2026572-2
Oct 08, 20265740
Oct 07, 2026574-89
Oct 06, 2026663+124
Oct 05, 20265390
Oct 02, 2026539No prior observation