S&P 500 ETF Trust SPY 15y NYSE USD

Annual Seasonality

Enter a symbol and click Analyze

Cumulative profit

Pattern returns

🧬 Pattern Optimizer

Genetic Algorithm — runs locally in your browser

📈 Walk-Forward Analysis

Rolling GA optimization with out-of-sample validation
years
Training period per fold
year(s)
Test period & roll step
Top GA strategies to trade OOS
GA generations per fold (keep low for speed)
GA population size per fold

🌍 Multi-Market Scanner

Walk-forward analysis across the 40 most liquid global markets
years
Total history to fetch
years
Training window
year(s)
Out-of-sample period
Top patterns per fold
GA generations (lower = faster)
GA population per fold