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Contract OI history

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Nov 20, 2026 EXPIRATION

COST $945.00 Call

COST261120C00945000

Latest saved OI188Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $945.00 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. 2171080 2026-10-09: 217 OI2026-10-13: 210 OI2026-10-14: 210 OI2026-10-15: 194 OI2026-10-16: 194 OI2026-10-21: 189 OI2026-10-23: 188 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, 2026Viewing188-1
Oct 21, 2026189-5
Oct 16, 20261940
Oct 15, 2026194-16
Oct 14, 20262100
Oct 13, 2026210-7
Oct 09, 2026217No prior observation