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Contract OI history

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Nov 20, 2026 EXPIRATION

U $27.00 Put

U261120P00027000

Latest saved OI598Oct 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
U $27.00 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. 6023010 2026-10-02: 597 OI2026-10-05: 597 OI2026-10-06: 598 OI2026-10-07: 598 OI2026-10-08: 598 OI2026-10-09: 597 OI2026-10-14: 602 OI2026-10-15: 597 OI2026-10-16: 597 OI2026-10-21: 597 OI2026-10-23: 598 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026598+1
Oct 21, 2026Viewing5970
Oct 16, 20265970
Oct 15, 2026597-5
Oct 14, 2026602+5
Oct 09, 2026597-1
Oct 08, 20265980
Oct 07, 20265980
Oct 06, 2026598+1
Oct 05, 20265970
Oct 02, 2026597No prior observation