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Contract OI history

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Sep 17, 2027 EXPIRATION

COST $1000.00 Call

COST270917C01000000

Latest saved OI421Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1000.00 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. 4212100 2026-10-09: 412 OI2026-10-13: 409 OI2026-10-14: 409 OI2026-10-15: 421 OI2026-10-16: 419 OI2026-10-21: 418 OI2026-10-23: 421 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, 2026Viewing421+3
Oct 21, 2026418-1
Oct 16, 2026419-2
Oct 15, 2026421+12
Oct 14, 20264090
Oct 13, 2026409-3
Oct 09, 2026412No prior observation