OITracker Cboe delayed data

Contract OI history

Back to ALHC

Nov 20, 2026 EXPIRATION

ALHC $17.50 Put

ALHC261120P00017500

Latest saved OI114Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALHC $17.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 166830 2026-10-09: 166 OI2026-10-13: 142 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 116 OI2026-10-21: 114 OI2026-10-23: 114 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALHC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1140
Oct 21, 2026114-2
Oct 16, 2026116-12
Oct 15, 20261280
Oct 14, 2026128-14
Oct 13, 2026142-24
Oct 09, 2026166No prior observation