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Contract OI history

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Nov 20, 2026 EXPIRATION

U $35.00 Put

U261120P00035000

Latest saved OI639Oct 23, 2026
Last change+28vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $35.00 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. 6393190 2026-10-02: 597 OI2026-10-05: 586 OI2026-10-06: 620 OI2026-10-07: 624 OI2026-10-08: 624 OI2026-10-09: 626 OI2026-10-14: 611 OI2026-10-15: 635 OI2026-10-16: 633 OI2026-10-21: 611 OI2026-10-23: 639 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, 2026Viewing639+28
Oct 21, 2026611-22
Oct 16, 2026633-2
Oct 15, 2026635+24
Oct 14, 2026611-15
Oct 09, 2026626+2
Oct 08, 20266240
Oct 07, 2026624+4
Oct 06, 2026620+34
Oct 05, 2026586-11
Oct 02, 2026597No prior observation