OITracker Cboe delayed data

Contract OI history

Back to WDC

Mar 19, 2027 EXPIRATION

WDC $250.00 Put

WDC270319P00250000

Latest saved OI701Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $250.00 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. 7053520 2026-10-09: 673 OI2026-10-12: 673 OI2026-10-14: 676 OI2026-10-15: 680 OI2026-10-16: 681 OI2026-10-21: 705 OI2026-10-23: 701 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, 2026Viewing701-4
Oct 21, 2026705+24
Oct 16, 2026681+1
Oct 15, 2026680+4
Oct 14, 2026676+3
Oct 12, 20266730
Oct 09, 2026673No prior observation