OITracker Cboe delayed data

Contract OI history

Back to WDC

Nov 20, 2026 EXPIRATION

WDC $240.00 Put

WDC261120P00240000

Latest saved OI144Oct 23, 2026
Last change-11vs 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. 155770 2026-10-09: 106 OI2026-10-12: 105 OI2026-10-14: 105 OI2026-10-15: 105 OI2026-10-16: 109 OI2026-10-21: 155 OI2026-10-23: 144 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, 2026Viewing144-11
Oct 21, 2026155+46
Oct 16, 2026109+4
Oct 15, 20261050
Oct 14, 20261050
Oct 12, 2026105-1
Oct 09, 2026106No prior observation