OITracker Cboe delayed data

Contract OI history

Back to COST

Oct 23, 2026 EXPIRATION

COST $1025.00 Call

COST261023C01025000

Latest saved OI846Oct 23, 2026
Last change+276vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1025.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8464230 2026-10-09: 180 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-15: 158 OI2026-10-16: 188 OI2026-10-21: 570 OI2026-10-23: 846 OI Oct 09, 2026Oct 23, 2026

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

COST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing846+276
Oct 21, 2026570+382
Oct 16, 2026188+30
Oct 15, 2026158-32
Oct 14, 20261900
Oct 13, 2026190+10
Oct 09, 2026180No prior observation