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Contract OI history

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Dec 18, 2026 EXPIRATION

COST $1340.00 Call

COST261218C01340000

Latest saved OI44Oct 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 $1340.00 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. 44220 2026-10-09: 38 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 40 OI2026-10-16: 40 OI2026-10-21: 44 OI2026-10-23: 44 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, 2026Viewing440
Oct 21, 202644+4
Oct 16, 2026400
Oct 15, 202640+2
Oct 14, 2026380
Oct 13, 2026380
Oct 09, 202638No prior observation