OITracker Cboe delayed data

Contract OI history

Back to ALGM

Nov 20, 2026 EXPIRATION

ALGM $30.00 Put

ALGM261120P00030000

Latest saved OI171Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGM $30.00 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. 171850 2026-10-09: 124 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 145 OI2026-10-16: 157 OI2026-10-21: 169 OI2026-10-23: 171 OI Oct 09, 2026Oct 23, 2026

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

ALGM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing171+2
Oct 21, 2026169+12
Oct 16, 2026157+12
Oct 15, 2026145+12
Oct 14, 20261330
Oct 13, 2026133+9
Oct 09, 2026124No prior observation