Quant BuffetRelax, Not Over Thinking

Size Factor in Corporate Bonds

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Academic paper

Putting Credit Factor Investing into Practice

AuthorsHendrik Kaufmann; Philip Messow

Institute
  • ?Quoniam Asset Management GmbH
  • ?Robeco Quantitative Investments

Strategy in a nutshell

Universe: USD-denominated IG bonds (Financials, Utilities, Industrials) from ICE G0BC index, excluding government and securitized bonds. Sort by issuer’s total outstanding bond size; long top quintile. Equally weighted, monthly rebalanced.

Economic rationale

The size premium arises because smaller issuers tend to have higher returns and/or lower liquidity, which investors are compensated for.

Backtest performance

Annualised return3.50%
Volatility1.67%
Sharpe ratio0.99
Maximum drawdown-7.04%