Fix GMX Returns Calculator URL

[Gkatala]

In the Ecosystem tab the Returns Calculator URL output an error after opening: ‘Sorry, unable to open the file at this time.’

[xdev_10]

Hi, thank you for reporting this, it seems to be working fine for me, have attached a screenshot.

[Gkatala]

It gets me to this page but when I click to make a copy it says: Sorry, unable to open the file at this time.

[xdev_10]

That is strange, gave it a try and it seems to work correctly