<h4>Quick Take</h4> <ul> <li>Perpetual swaps champion BitMEX is not adding new products until it fixes the system overload problem, sources said </li> <li>Some professional traders are switching from BitMEX to its competitors like Deribit for a better trading experience </li> <li>The firm announced on Thursday that it is working on a new trading architecture to increase its platform capacity</li> </ul>