ConvexPi

Contrarian Investment, Extrapolation, and Risk

JOSEF LAKONISHOK, ANDREI SHLEIFER, ROBERT W. VISHNY

The Journal of Finance · 1994 · 1 citations

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Reference replication on ConvexPi


An open, verified replication of this strategy is maintained at convexpi/replications. It recomputes the strategy from underlying building blocks and scores it out of sample (the McLean & Pontiff test):


PeriodAnnualized Sharpe
In-sample (pre-1994)+0.58
Out-of-sample (≥ 1994)-0.06
Last 10 years-0.33

Verdict: dormant. Run it on live data in Colab · view the code


Community-maintained wiki — anyone can suggest an edit or view its revision history. Not peer-reviewed; verify claims against the original paper.

Wiki last updated: June 25, 2026