OITracker Cboe delayed data

Contract OI history

Back to ALKS

Jan 21, 2028 EXPIRATION

ALKS $50.00 Call

ALKS280121C00050000

Latest saved OI123Oct 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 $50.00 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. 123610 2026-10-08: 114 OI2026-10-09: 123 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-16: 123 OI2026-10-20: 123 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, 2026Viewing1230
Oct 16, 20261230
Oct 14, 20261230
Oct 13, 20261230
Oct 09, 2026123+9
Oct 08, 2026114No prior observation