Backtest overfitting audit for factor research: probability of backtest overfitting (PBO), deflated Sharpe ratio, point-in-time data, purged walk-forward. Searches published factor libraries and reports what actually survived costs.

alpha-factors alpha-research backtest-overfitting backtesting cscv deflated-sharpe-ratio factor-investing factor-research multiple-testing overfitting pbo point-in-time purged-walk-forward python quant quantitative-finance quantitative-research reproducible-research research research-integrity
3 Open Issues Need Help Last updated: Aug 16, 2026

Open Issues Need Help

View All on GitHub
good first issue research-mechanism contributor-benchmark

Backtest overfitting audit for factor research: probability of backtest overfitting (PBO), deflated Sharpe ratio, point-in-time data, purged walk-forward. Searches published factor libraries and reports what actually survived costs.

Python
#alpha-factors#alpha-research#backtest-overfitting#backtesting#cscv#deflated-sharpe-ratio#factor-investing#factor-research#multiple-testing#overfitting#pbo#point-in-time#purged-walk-forward#python#quant#quantitative-finance#quantitative-research#reproducible-research#research#research-integrity
good first issue research-mechanism contributor-benchmark

Backtest overfitting audit for factor research: probability of backtest overfitting (PBO), deflated Sharpe ratio, point-in-time data, purged walk-forward. Searches published factor libraries and reports what actually survived costs.

Python
#alpha-factors#alpha-research#backtest-overfitting#backtesting#cscv#deflated-sharpe-ratio#factor-investing#factor-research#multiple-testing#overfitting#pbo#point-in-time#purged-walk-forward#python#quant#quantitative-finance#quantitative-research#reproducible-research#research#research-integrity
good first issue research-mechanism contributor-benchmark

Backtest overfitting audit for factor research: probability of backtest overfitting (PBO), deflated Sharpe ratio, point-in-time data, purged walk-forward. Searches published factor libraries and reports what actually survived costs.

Python
#alpha-factors#alpha-research#backtest-overfitting#backtesting#cscv#deflated-sharpe-ratio#factor-investing#factor-research#multiple-testing#overfitting#pbo#point-in-time#purged-walk-forward#python#quant#quantitative-finance#quantitative-research#reproducible-research#research#research-integrity