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Contract OI history

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May 21, 2027 EXPIRATION

U $30.00 Put

U270521P00030000

Latest saved OI1,746Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $30.00 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. 1,7468730 2026-10-02: 817 OI2026-10-05: 817 OI2026-10-06: 817 OI2026-10-07: 817 OI2026-10-08: 817 OI2026-10-09: 817 OI2026-10-14: 817 OI2026-10-15: 1,746 OI2026-10-16: 1,746 OI2026-10-21: 1,746 OI2026-10-23: 1,746 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, 2026Viewing1,7460
Oct 21, 20261,7460
Oct 16, 20261,7460
Oct 15, 20261,746+929
Oct 14, 20268170
Oct 09, 20268170
Oct 08, 20268170
Oct 07, 20268170
Oct 06, 20268170
Oct 05, 20268170
Oct 02, 2026817No prior observation