If you check his trades, you'll see that there wasn't any trade between 27/05/2018 and 04/07/2018
That's why there are no profit or losses visible.
Portfolio shows 230$ value
Please check the whitepaper first.
As this platform is in Demo mode, the tiers are different then after it will go live.
As stated in the whitepaper, tier 7 will be 100.000.000$ and it's not said that this is the final tier level, maybe it can be increased after time. Let's see
Also the trading period in the demo state is much shorter then after go live.
Customer support service by UserEcho