Everyone in quantitative finance has built a back-test that would make them billions on paper. It is highly likely there is over-fitting issues, errors in calculations of returns etc.

You should share the list of trades, rough high level idea of what you're making money from etc.

If you have something, trade it with capital. Nobody seriously buys signals for good reasons.

A prediction model about what? Which dataset are you using to train and evaluate it?

Data = finance

Results = Stock Market