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Contract OI history

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Jan 15, 2027 EXPIRATION

COST $940.00 Call

COST270115C00940000

Latest saved OI196Oct 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 $940.00 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. 2041020 2026-10-09: 204 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-15: 195 OI2026-10-16: 197 OI2026-10-21: 196 OI2026-10-23: 196 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, 2026Viewing1960
Oct 21, 2026196-1
Oct 16, 2026197+2
Oct 15, 2026195-6
Oct 14, 20262010
Oct 13, 2026201-3
Oct 09, 2026204No prior observation