OITracker Cboe delayed data

Contract OI history

Back to ALKS

Nov 20, 2026 EXPIRATION

ALKS $42.00 Put

ALKS261120P00042000

Latest saved OI404Oct 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 $42.00 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. 4042020 2026-10-08: 404 OI2026-10-09: 404 OI2026-10-13: 404 OI2026-10-14: 404 OI2026-10-16: 404 OI2026-10-20: 404 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, 2026Viewing4040
Oct 16, 20264040
Oct 14, 20264040
Oct 13, 20264040
Oct 09, 20264040
Oct 08, 2026404No prior observation