Contract OI history

Back to COST

Dec 18, 2026 EXPIRATION

COST $1120.00 Call

COST261218C01120000

Latest saved OI792Oct 23, 2026
Last change+178vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1120.00 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. 7923960 2026-10-09: 401 OI2026-10-13: 403 OI2026-10-14: 403 OI2026-10-15: 403 OI2026-10-16: 424 OI2026-10-21: 614 OI2026-10-23: 792 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, 2026Viewing792+178
Oct 21, 2026614+190
Oct 16, 2026424+21
Oct 15, 20264030
Oct 14, 20264030
Oct 13, 2026403+2
Oct 09, 2026401No prior observation