Scaling Into Winners: How Professional Day Traders Use Trade Ideas' Position Sizing

https://danteuhcs206.cavandoragh.org/gap-fills-vs-momentum-breakouts-which-trade-ideas-setups-actually-print-money

Most day traders enter a Trade Ideas alert with a fixed position size: 500 shares, full stop. They either win or lose the full position. Professional traders do something different: they enter with a core position and then scale into winners