OITracker Cboe delayed data

Contract OI history

Back to WYFI

Jan 15, 2027 EXPIRATION

WYFI $40.00 Put

WYFI270115P00040000

Latest saved OI117Oct 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 $40.00 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. 117580 2026-10-08: 104 OI2026-10-09: 104 OI2026-10-13: 104 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-20: 117 OI2026-10-23: 117 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, 2026Viewing1170
Oct 20, 20261170
Oct 16, 20261170
Oct 15, 2026117+13
Oct 13, 20261040
Oct 09, 20261040
Oct 08, 2026104No prior observation