In Drupal 7, there is a formatter that you can select to display your link with title "Link" but this formatter no longer exists in Drupal 8.
In Drupal 8, what you can do is the rewrite the output of the url field like the followings:
field_trade_url__uriwith your own Replacement pattern field.
- Expand REPLACEMENT PATTERNS section to view all avaiable tokens.
The end result will look like the followings: