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Contract OI history

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Oct 15, 2027 EXPIRATION

WY $20.00 Put

WY271015P00020000

Latest saved OI211Oct 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. 2111050 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 117 OI2026-10-07: 117 OI2026-10-08: 117 OI2026-10-09: 117 OI2026-10-14: 167 OI2026-10-15: 167 OI2026-10-16: 211 OI2026-10-21: 211 OI2026-10-23: 211 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, 2026Viewing2110
Oct 21, 20262110
Oct 16, 2026211+44
Oct 15, 20261670
Oct 14, 2026167+50
Oct 09, 20261170
Oct 08, 20261170
Oct 07, 20261170
Oct 06, 2026117+10
Oct 05, 20261070
Oct 02, 2026107No prior observation