Glossary
Point-in-Time Backtest
A point-in-time backtest only uses the data that would have actually been available on each historical date being tested, rather than data that was later revised or hadn't been published yet.
Why it matters
Backtests that quietly use revised or future data, known as look-ahead bias, can make a strategy look far better than it would have actually performed in real time.
How CORVIX uses it
CORVIX's backtester is built point-in-time by design, using only data through the prior period at every step and applying transaction costs on turnover.