Why Are Some Traders With no Trade History in Higher Level?

We've noticed, recently, that few traders with little or no trade history at all are ranked higher. Would like to confirm whether there are other ranking criteria we are oblivious of or a minor bug already fixed by the dev. 

Below are screenshots. 

Below is another such anomaly discovered by Hedgebitcoin

Hedgebitcoin:
This has ZERO trades and sits at Level 5 ( https://alpha-manager.genesis.vision/programs/a8855197-e369-4560-811b-c878fb5de1b3)