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Contract OI history

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Dec 18, 2026 EXPIRATION

WLY $40.00 Put

WLY261218P00040000

Latest saved OI23Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WLY $40.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 23110 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 23 OI2026-10-07: 23 OI2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-16: 23 OI2026-10-21: 23 OI2026-10-23: 23 OI Oct 02, 2026Oct 23, 2026

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

WLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026230
Oct 21, 2026Viewing230
Oct 16, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 2026230
Oct 07, 2026230
Oct 06, 2026230
Oct 05, 2026230
Oct 02, 202623No prior observation