Recent theoretical literature argues that total skewness matters to the pricing of assets, assets with higher degrees of skewness or lottery-like features should earn lower expected returns. The impact of skewness on asset’s future returns has been investigated mainly for equities and options, but researches are moving to review also other assets.

A recent article by Perez, Frijns, Fuertes, and Miffre studies the pricing of skewness in commodity futures markets. The time-series tests show that a fully-collateralized portfolio that buys commodities with low skewness and shorts commodities with high skewness earns 8.01% a year with a t-statistic of 4.08. The performance of the low-minus-high skewness portfolio is not fully explained by a standard commodity benchmark, which makes it a perfect addition to commodity-based multi-strategy portfolios.

Fundamental reason

Academic studies explain skewness effect in all assets by investors are willing to pay a higher price, and to earn a lower expected return, on assets with lottery-like payoffs. A recent study shows that skewness affects commodity futures returns and documents that skewness is priced in different markets than the ones where retail investors typically trade. Hence, its findings suggest that the effect of skewness on asset returns is not merely a consequence of retail investor preferences. Rather this indicates that other groups of traders have these heterogeneous preferences.

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Markets Traded

Backtest period from source paper

Confidence in anomaly's validity

Indicative Performance

Notes to Confidence in Anomaly's Validity

Notes to Indicative Performance

per annum, data from table IV panel A for long-short portfolio

Period of Rebalancing

Estimated Volatility

Notes to Period of Rebalancing

Notes to Estimated Volatility

data from table IV panel A for long-short portfolio

Number of Traded Instruments

Maximum Drawdown

Notes to Number of Traded Instruments

Notes to Maximum drawdown

data from table 3 for long-short portfolio

Complexity Evaluation
Simple strategy

Sharpe Ratio

Notes to Complexity Evaluation


Financial instruments
CFDs, futures

Simple trading strategy

The investment universe consists of 27 futures contracts on commodities. Each month, investor calculates skewness (3rd moment of returns) from daily returns from data going 12 months into the past for all futures. Commodities are then sorted into quintiles and investor goes long quintile containing the commodities with the 20% lowest total skewness and short quintile containing the commodities with the 20% highest total skewness (over a ranking period of 12 months). The resultant portfolio is equally weighted and rebalanced each month.

Hedge for stocks during bear markets

Yes - Based on the source research paper (see Appendix B), the strategy has a significantly negative correlation to the equity market; therefore, it probably can be used as a hedge/diversification to equity market risk factor during bear markets.

Source paper
Out-of-sample strategy's implementation/validation in QuantConnect's framework (chart+statistics+code)
Other papers

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