OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WY $20.00 Put

WY270115P00020000

Latest saved OI922Oct 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 $20.00 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. 9224610 2026-10-02: 879 OI2026-10-05: 889 OI2026-10-06: 859 OI2026-10-07: 859 OI2026-10-08: 859 OI2026-10-09: 849 OI2026-10-14: 859 OI2026-10-15: 864 OI2026-10-16: 864 OI2026-10-21: 922 OI2026-10-23: 922 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, 2026Viewing9220
Oct 21, 2026922+58
Oct 16, 20268640
Oct 15, 2026864+5
Oct 14, 2026859+10
Oct 09, 2026849-10
Oct 08, 20268590
Oct 07, 20268590
Oct 06, 2026859-30
Oct 05, 2026889+10
Oct 02, 2026879No prior observation