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Contract OI history

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Jan 15, 2027 EXPIRATION

COST $1100.00 Call

COST270115C01100000

Latest saved OI1,033Oct 23, 2026
Last change+58vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1100.00 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. 1,0335160 2026-10-09: 912 OI2026-10-13: 912 OI2026-10-14: 912 OI2026-10-15: 918 OI2026-10-16: 950 OI2026-10-21: 975 OI2026-10-23: 1,033 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, 2026Viewing1,033+58
Oct 21, 2026975+25
Oct 16, 2026950+32
Oct 15, 2026918+6
Oct 14, 20269120
Oct 13, 20269120
Oct 09, 2026912No prior observation