Wyden (formerly AlgoTrader AG)

I'd recommend AlgoTrader (it uses tradingview for charts, plus all the pro goodies for algo development), Jigsaw daytradr, AlgoTerminal (formerly IQBroker), AgenaTrader, Bookmap (which is similar to Jigsaw Auction Vista, just mentioning it to give more choice) in that order.

As far as audited true brokerage results go, I checked--C2 shows the account and its results are now private. I don't know how long that's been, but lots of C2 system sellers start off well and then crash and burn and hide their results--but continue to crow about the brief period they were successful. This is one reason to be skeptical about posted results, even real results. You can have a great day where your system works perfectly and use that day to promote it. It's not a way to get the...