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Contract OI history

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Nov 20, 2026 EXPIRATION

UL $55.00 Put

UL261120P00055000

Latest saved OI660Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UL $55.00 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. 6603300 2026-10-02: 654 OI2026-10-05: 654 OI2026-10-06: 657 OI2026-10-07: 657 OI2026-10-08: 657 OI2026-10-09: 657 OI2026-10-13: 655 OI2026-10-14: 654 OI2026-10-16: 660 OI2026-10-21: 660 OI2026-10-23: 660 OI Oct 02, 2026Oct 23, 2026

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

UL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6600
Oct 21, 20266600
Oct 16, 2026660+6
Oct 14, 2026654-1
Oct 13, 2026655-2
Oct 09, 20266570
Oct 08, 20266570
Oct 07, 20266570
Oct 06, 2026657+3
Oct 05, 20266540
Oct 02, 2026654No prior observation