OITracker Cboe delayed data

Contract OI history

Back to COST

Jun 16, 2028 EXPIRATION

COST $1280.00 Call

COST280616C01280000

Latest saved OI901Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1280.00 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. 9014500 2026-10-09: 897 OI2026-10-13: 896 OI2026-10-14: 896 OI2026-10-15: 896 OI2026-10-16: 901 OI2026-10-21: 901 OI2026-10-23: 901 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, 2026Viewing9010
Oct 21, 20269010
Oct 16, 2026901+5
Oct 15, 20268960
Oct 14, 20268960
Oct 13, 2026896-1
Oct 09, 2026897No prior observation