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Contract OI history

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Dec 15, 2028 EXPIRATION

COST $1340.00 Call

COST281215C01340000

Latest saved OI338Oct 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. 3381690 2026-10-09: 322 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-15: 333 OI2026-10-16: 333 OI2026-10-21: 338 OI2026-10-23: 338 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, 2026Viewing3380
Oct 21, 2026338+5
Oct 16, 20263330
Oct 15, 20263330
Oct 14, 20263330
Oct 13, 2026333+11
Oct 09, 2026322No prior observation