OITracker Cboe delayed data

Contract OI history

Back to WDC

Mar 19, 2027 EXPIRATION

WDC $300.00 Put

WDC270319P00300000

Latest saved OI924Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $300.00 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. 9244620 2026-10-09: 655 OI2026-10-12: 740 OI2026-10-14: 740 OI2026-10-15: 759 OI2026-10-16: 788 OI2026-10-21: 921 OI2026-10-23: 924 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, 2026Viewing924+3
Oct 21, 2026921+133
Oct 16, 2026788+29
Oct 15, 2026759+19
Oct 14, 20267400
Oct 12, 2026740+85
Oct 09, 2026655No prior observation