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Contract OI history

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Jan 21, 2028 EXPIRATION

COST $1200.00 Call

COST280121C01200000

Latest saved OI611Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1200.00 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. 6113050 2026-10-09: 608 OI2026-10-13: 609 OI2026-10-14: 609 OI2026-10-15: 611 OI2026-10-16: 610 OI2026-10-21: 609 OI2026-10-23: 611 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, 2026Viewing611+2
Oct 21, 2026609-1
Oct 16, 2026610-1
Oct 15, 2026611+2
Oct 14, 20266090
Oct 13, 2026609+1
Oct 09, 2026608No prior observation