OITracker Cboe delayed data

Contract OI history

Back to ALKS

Dec 18, 2026 EXPIRATION

ALKS $30.00 Put

ALKS261218P00030000

Latest saved OI702Oct 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 $30.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 7023510 2026-10-08: 702 OI2026-10-09: 702 OI2026-10-13: 702 OI2026-10-14: 702 OI2026-10-16: 702 OI2026-10-20: 702 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, 2026Viewing7020
Oct 16, 20267020
Oct 14, 20267020
Oct 13, 20267020
Oct 09, 20267020
Oct 08, 2026702No prior observation