The Pitfalls of Back Testing

By Jack Forehand (@practicalquant) —   Active investment managers have a pretty dismal long-term record. Depending on which study you look at somewhere between 80% and 90% of managers underperform their benchmarks over the long-term net of fees. But what if I told you there was a way to turn those results upside down? What if there was a world where managers beat their benchmark 90% of the time? What if there was a world where managers… Read More