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Contract OI history

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Dec 18, 2026 EXPIRATION

WY $19.00 Put

WY261218P00019000

Latest saved OI845Oct 23, 2026
Last change+10vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WY $19.00 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. 8454220 2026-10-02: 1 OI2026-10-05: 25 OI2026-10-06: 31 OI2026-10-07: 31 OI2026-10-08: 31 OI2026-10-09: 41 OI2026-10-14: 634 OI2026-10-15: 805 OI2026-10-16: 815 OI2026-10-21: 835 OI2026-10-23: 845 OI Oct 02, 2026Oct 23, 2026

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

WY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing845+10
Oct 21, 2026835+20
Oct 16, 2026815+10
Oct 15, 2026805+171
Oct 14, 2026634+593
Oct 09, 202641+10
Oct 08, 2026310
Oct 07, 2026310
Oct 06, 202631+6
Oct 05, 202625+24
Oct 02, 20261No prior observation