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Contract OI history

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Jan 15, 2027 EXPIRATION

WY $21.00 Put

WY270115P00021000

Latest saved OI818Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WY $21.00 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. 8184090 2026-10-02: 807 OI2026-10-05: 807 OI2026-10-06: 812 OI2026-10-07: 812 OI2026-10-08: 812 OI2026-10-09: 812 OI2026-10-14: 813 OI2026-10-15: 813 OI2026-10-16: 813 OI2026-10-21: 818 OI2026-10-23: 818 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, 2026Viewing8180
Oct 21, 2026818+5
Oct 16, 20268130
Oct 15, 20268130
Oct 14, 2026813+1
Oct 09, 20268120
Oct 08, 20268120
Oct 07, 20268120
Oct 06, 2026812+5
Oct 05, 20268070
Oct 02, 2026807No prior observation