Quant BuffetRelax, Not Over Thinking

Short-selling Factor in Corporate Bonds

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Academic paper

The Impact of Short Selling in the Cross-Section of Corporate Bond Returns

AuthorsDesislava Vladimirova; Thomas Markl; Philip Messow

Institute
  • ?Quoniam Asset Management GmbH

Strategy in a nutshell

This strategy targets USD-denominated bonds in the ICE Global High-Yield Index from the Financial, Utility, and Industrial sectors. Short-selling characteristics for both bonds and equities are computed daily, winsorized, and aggregated monthly. Using LASSO regression on an expanding window, the next month’s value-weighted bond returns are predicted. The portfolio goes long on the top 20% of issuers based on predictions, is equally weighted, and rebalanced monthly.

Economic rationale

The strategy assumes heavily shorted assets are likely overvalued. Unlike flow-following strategies, it invests in the least shorted bonds. Utilizing multiple short-selling metrics with LASSO regression addresses multicollinearity and data-driven coefficient selection, improving predictive accuracy and enhancing returns.

Backtest performance

Annualised return7.5%
Volatility7.5%
Sharpe ratio1