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Contract OI history

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Nov 20, 2026 EXPIRATION

WYFI $17.50 Put

WYFI261120P00017500

Latest saved OI410Oct 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. 4492240 2026-10-08: 399 OI2026-10-09: 410 OI2026-10-13: 449 OI2026-10-15: 402 OI2026-10-16: 407 OI2026-10-20: 410 OI2026-10-23: 410 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, 20264100
Oct 20, 2026Viewing410+3
Oct 16, 2026407+5
Oct 15, 2026402-47
Oct 13, 2026449+39
Oct 09, 2026410+11
Oct 08, 2026399No prior observation