The Real Cost of Bad Backtests: Why Fantasy Returns Kill Portfolios
Zero-fee backtests show +200% returns. Real trading shows -15%. The gap between simulated and live performance is where most traders lose their money.
Every trading bot platform shows amazing backtest results. The trick? They assume zero fees, perfect fills, no slippage, and no funding rates. A strategy showing +200% in backtest might deliver -15% live once real costs eat the edge.
TR4D3 solves this by baking all transaction costs into training. Maker/taker fees, slippage models, bid-ask spread, and 8-hour funding rates are simulated during every episode. Domain randomization jitters costs between 0.8x and 1.3x to ensure robustness.
The result: what you see in validation is what you get in deployment. No surprises. No fantasy returns. Just honest infrastructure.
TR4D3 Research
Risk Management
Passionate about building great products and sharing knowledge with the community.