Contract OI history

Back to COST

Nov 20, 2026 EXPIRATION

COST $990.00 Call

COST261120C00990000

Latest saved OI365Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $990.00 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. 3791890 2026-10-09: 194 OI2026-10-13: 214 OI2026-10-14: 214 OI2026-10-15: 265 OI2026-10-16: 351 OI2026-10-21: 379 OI2026-10-23: 365 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, 2026Viewing365-14
Oct 21, 2026379+28
Oct 16, 2026351+86
Oct 15, 2026265+51
Oct 14, 20262140
Oct 13, 2026214+20
Oct 09, 2026194No prior observation