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Contract OI history

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Nov 20, 2026 EXPIRATION

COST $985.00 Call

COST261120C00985000

Latest saved OI362Oct 23, 2026
Last change+127vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $985.00 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. 3621810 2026-10-09: 222 OI2026-10-13: 214 OI2026-10-14: 214 OI2026-10-15: 211 OI2026-10-16: 218 OI2026-10-21: 235 OI2026-10-23: 362 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, 2026Viewing362+127
Oct 21, 2026235+17
Oct 16, 2026218+7
Oct 15, 2026211-3
Oct 14, 20262140
Oct 13, 2026214-8
Oct 09, 2026222No prior observation