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Contract OI history

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Jan 15, 2027 EXPIRATION

WYFI $17.50 Put

WYFI270115P00017500

Latest saved OI780Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WYFI $17.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8154070 2026-10-08: 807 OI2026-10-09: 811 OI2026-10-13: 815 OI2026-10-15: 782 OI2026-10-16: 782 OI2026-10-20: 780 OI2026-10-23: 780 OI Oct 08, 2026Oct 23, 2026

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

WYFI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20267800
Oct 20, 2026Viewing780-2
Oct 16, 20267820
Oct 15, 2026782-33
Oct 13, 2026815+4
Oct 09, 2026811+4
Oct 08, 2026807No prior observation