Opening a link from Angular material-autocomplete?

You can add a or button tag in your mat-option element.

<mat-option *ngFor="let option of filteredOptions | async" [value]="option">
  <a href="http://www.google.com">{{option}}</a>
</mat-option>

Ref: https://stackblitz.com/angular/aaljlkxaorrk?file=src/app/autocomplete-auto-active-first-option-example.html