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Contract OI history

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Jan 21, 2028 EXPIRATION

COST $1380.00 Call

COST280121C01380000

Latest saved OI317Oct 23, 2026
Last change+40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1380.00 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. 3171580 2026-10-09: 277 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 277 OI2026-10-16: 277 OI2026-10-21: 277 OI2026-10-23: 317 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, 2026Viewing317+40
Oct 21, 20262770
Oct 16, 20262770
Oct 15, 20262770
Oct 14, 20262770
Oct 13, 20262770
Oct 09, 2026277No prior observation