OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

ALKS $40.00 Call

ALKS261218C00040000

Latest saved OI22Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALKS $40.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 22110 2026-10-08: 22 OI2026-10-09: 22 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-16: 22 OI2026-10-20: 22 OI Oct 08, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALKS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing220
Oct 16, 2026220
Oct 14, 2026220
Oct 13, 2026220
Oct 09, 2026220
Oct 08, 202622No prior observation