Contract OI history

Back to COST

Dec 18, 2026 EXPIRATION

COST $1100.00 Call

COST261218C01100000

Latest saved OI960Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1100.00 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. 9604800 2026-10-09: 681 OI2026-10-13: 687 OI2026-10-14: 687 OI2026-10-15: 839 OI2026-10-16: 882 OI2026-10-21: 942 OI2026-10-23: 960 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, 2026Viewing960+18
Oct 21, 2026942+60
Oct 16, 2026882+43
Oct 15, 2026839+152
Oct 14, 20266870
Oct 13, 2026687+6
Oct 09, 2026681No prior observation