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Contract OI history

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Dec 15, 2028 EXPIRATION

COST $1320.00 Call

COST281215C01320000

Latest saved OI514Oct 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 $1320.00 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. 5142570 2026-10-09: 508 OI2026-10-13: 508 OI2026-10-14: 508 OI2026-10-15: 508 OI2026-10-16: 510 OI2026-10-21: 514 OI2026-10-23: 514 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, 2026Viewing5140
Oct 21, 2026514+4
Oct 16, 2026510+2
Oct 15, 20265080
Oct 14, 20265080
Oct 13, 20265080
Oct 09, 2026508No prior observation