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Contract OI history

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Nov 20, 2026 EXPIRATION

UL $52.50 Put

UL261120P00052500

Latest saved OI705Oct 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 $52.50 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. 7053520 2026-10-02: 637 OI2026-10-05: 637 OI2026-10-06: 637 OI2026-10-07: 637 OI2026-10-08: 703 OI2026-10-09: 705 OI2026-10-13: 705 OI2026-10-14: 705 OI2026-10-16: 705 OI2026-10-21: 705 OI2026-10-23: 705 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, 20267050
Oct 21, 2026Viewing7050
Oct 16, 20267050
Oct 14, 20267050
Oct 13, 20267050
Oct 09, 2026705+2
Oct 08, 2026703+66
Oct 07, 20266370
Oct 06, 20266370
Oct 05, 20266370
Oct 02, 2026637No prior observation