OITracker Cboe delayed data

Contract OI history

Back to COST

Oct 23, 2026 EXPIRATION

COST $1015.00 Call

COST261023C01015000

Latest saved OI621Oct 23, 2026
Last change-182vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1015.00 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. 8034010 2026-10-09: 46 OI2026-10-13: 46 OI2026-10-14: 46 OI2026-10-15: 441 OI2026-10-16: 608 OI2026-10-21: 803 OI2026-10-23: 621 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, 2026Viewing621-182
Oct 21, 2026803+195
Oct 16, 2026608+167
Oct 15, 2026441+395
Oct 14, 2026460
Oct 13, 2026460
Oct 09, 202646No prior observation