OITracker Cboe delayed data

Contract OI history

Back to GRBK

Dec 18, 2026 EXPIRATION

GRBK $60.00 Call

GRBK261218C00060000

Latest saved OI2Oct 21, 2026
Last change0vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
GRBK $60.00 call open interest history 2 saved observations from 2026-10-16 to 2026-10-21. Exact values and changes are listed in the table below. 210 2026-10-16: 2 OI2026-10-21: 2 OI Oct 16, 2026Oct 21, 2026

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

GRBK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing20
Oct 16, 20262No prior observation