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Contract OI history

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Jan 15, 2027 EXPIRATION

COST $980.00 Call

COST270115C00980000

Latest saved OI222Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $980.00 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. 2221110 2026-10-09: 217 OI2026-10-13: 216 OI2026-10-14: 216 OI2026-10-15: 215 OI2026-10-16: 216 OI2026-10-21: 222 OI2026-10-23: 222 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, 2026Viewing2220
Oct 21, 2026222+6
Oct 16, 2026216+1
Oct 15, 2026215-1
Oct 14, 20262160
Oct 13, 2026216-1
Oct 09, 2026217No prior observation