OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WYFI $10.00 Put

WYFI280121P00010000

Latest saved OI1,057Oct 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 $10.00 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. 1,0575280 2026-10-08: 76 OI2026-10-09: 78 OI2026-10-13: 78 OI2026-10-15: 78 OI2026-10-16: 77 OI2026-10-20: 1,057 OI2026-10-23: 1,057 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, 2026Viewing1,0570
Oct 20, 20261,057+980
Oct 16, 202677-1
Oct 15, 2026780
Oct 13, 2026780
Oct 09, 202678+2
Oct 08, 202676No prior observation