Whatโs the Deal with Vectorized Backtesting? (And Why Should You Care?)
Letโs be real: backtesting is like the ultimate โwhat ifโ game for traders. What if Iโd bought Apple stock in 2005? What if Iโd shorted GameStop before it went viral? But hereโs the kickerโwhat if your backtest is lying to you? Yep, thatโs right. Most backtests fail, and itโs not just because of bad data…