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Contract OI history

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Sep 17, 2027 EXPIRATION

UNH $410.00 Put

UNH270917P00410000

Latest saved OI256Oct 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 $410.00 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. 2561280 2026-10-02: 254 OI2026-10-05: 254 OI2026-10-06: 254 OI2026-10-07: 254 OI2026-10-08: 254 OI2026-10-09: 254 OI2026-10-14: 250 OI2026-10-15: 250 OI2026-10-16: 250 OI2026-10-21: 254 OI2026-10-23: 256 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, 2026Viewing256+2
Oct 21, 2026254+4
Oct 16, 20262500
Oct 15, 20262500
Oct 14, 2026250-4
Oct 09, 20262540
Oct 08, 20262540
Oct 07, 20262540
Oct 06, 20262540
Oct 05, 20262540
Oct 02, 2026254No prior observation