STX ticker is already used by an active project -
https://www.coingecko.com/en/coins/stacksAnd they are currently traded in top exchanges like Binance/Kucoin and many more. So maybe the dev of this project should change their ticker if they want to be listed in those exchanges. Better change it to a new one. Just a suggestion.
Interesting that Stockupex is TRC20 protocol infrastructure which include blockchain trading and gaming - 2 very popular spheres in our days
If it is under tron network, then I can say, they chose a good network to deploy their project. As tron has really one of the lowest fee networks out there and they are pretty popular already. While others are choosing BSC, they prefer to use TRON.