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Contract OI history

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Jan 15, 2027 EXPIRATION

COST $1240.00 Call

COST270115C01240000

Latest saved OI252Oct 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 $1240.00 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. 3361680 2026-10-09: 335 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 336 OI2026-10-16: 252 OI2026-10-21: 252 OI2026-10-23: 252 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, 2026Viewing2520
Oct 21, 20262520
Oct 16, 2026252-84
Oct 15, 2026336+1
Oct 14, 20263350
Oct 13, 20263350
Oct 09, 2026335No prior observation