OITracker Cboe delayed data

Contract OI history

Back to WK

Nov 20, 2026 EXPIRATION

WK $50.00 Call

WK261120C00050000

Latest saved OI133Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WK $50.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 133660 2026-10-02: 133 OI2026-10-05: 133 OI2026-10-06: 133 OI2026-10-07: 133 OI2026-10-08: 133 OI2026-10-09: 133 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 133 OI2026-10-20: 133 OI2026-10-23: 133 OI Oct 02, 2026Oct 23, 2026

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

WK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261330
Oct 20, 2026Viewing1330
Oct 15, 20261330
Oct 14, 20261330
Oct 13, 20261330
Oct 09, 20261330
Oct 08, 20261330
Oct 07, 20261330
Oct 06, 20261330
Oct 05, 20261330
Oct 02, 2026133No prior observation