OITracker Cboe delayed data

Contract OI history

Back to COST

Nov 06, 2026 EXPIRATION

COST $1000.00 Call

COST261106C01000000

Latest saved OI202Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1000.00 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. 2021010 2026-10-09: 98 OI2026-10-13: 99 OI2026-10-14: 99 OI2026-10-15: 171 OI2026-10-16: 191 OI2026-10-21: 190 OI2026-10-23: 202 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, 2026Viewing202+12
Oct 21, 2026190-1
Oct 16, 2026191+20
Oct 15, 2026171+72
Oct 14, 2026990
Oct 13, 202699+1
Oct 09, 202698No prior observation