Profitsim: simulate your trading strategies with precision. Calculate potential profits, losses, and ROI based on win rates, leverage, and real exchange fees. Built-in support for major exchanges including: Binance Bitfinex Bitstamp Bithumb Bybit Coinbase Huobi Kraken OKEx Upbit Customize maker and taker fees or use pre-configured exchange rates. Perfect for both beginner and experienced traders looking to test their strategies before risking real capital. No internet connection required No ads ever No data collection No tracking