OITracker Cboe delayed data

Contract OI history

Back to WDC

Apr 16, 2027 EXPIRATION

WDC $240.00 Put

WDC270416P00240000

Latest saved OI254Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $240.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2541270 2026-10-09: 223 OI2026-10-12: 223 OI2026-10-14: 225 OI2026-10-15: 226 OI2026-10-16: 226 OI2026-10-21: 254 OI2026-10-23: 254 OI Oct 09, 2026Oct 23, 2026

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

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2540
Oct 21, 2026254+28
Oct 16, 20262260
Oct 15, 2026226+1
Oct 14, 2026225+2
Oct 12, 20262230
Oct 09, 2026223No prior observation