OITracker Cboe delayed data

Contract OI history

Back to ALKS

Nov 20, 2026 EXPIRATION

ALKS $55.00 Call

ALKS261120C00055000

Latest saved OI6,285Oct 20, 2026
Last change+30vs 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. 6,2853,1420 2026-10-08: 6,255 OI2026-10-09: 6,255 OI2026-10-13: 6,255 OI2026-10-14: 6,255 OI2026-10-16: 6,255 OI2026-10-20: 6,285 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, 2026Viewing6,285+30
Oct 16, 20266,2550
Oct 14, 20266,2550
Oct 13, 20266,2550
Oct 09, 20266,2550
Oct 08, 20266,255No prior observation