OITracker Cboe delayed data

Contract OI history

Back to ALKS

Jan 21, 2028 EXPIRATION

ALKS $55.00 Call

ALKS280121C00055000

Latest saved OI1,137Oct 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 $55.00 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. 2,0681,0340 2026-10-08: 2,068 OI2026-10-09: 2,068 OI2026-10-13: 2,068 OI2026-10-14: 2,068 OI2026-10-16: 1,137 OI2026-10-20: 1,137 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, 2026Viewing1,1370
Oct 16, 20261,137-931
Oct 14, 20262,0680
Oct 13, 20262,0680
Oct 09, 20262,0680
Oct 08, 20262,068No prior observation