Factor investing

Factor investing uses transparent rules to target characteristics associated with long-run returns, including value, quality, momentum, size, and low volatility. Results depend on implementation, diversification, and the patience to endure extended weak periods. Build systematic exposure to persistent return drivers such as value, quality, momentum, size, or low volatility. Key point: Factor investing is not a style label to follow mechanically. It is a decision process with explicit assumptions, evidence, review triggers, and exit conditions.

1. 1Define signals with investable data and avoid backtest overfitting.
2. 2Combine complementary factors rather than relying on one historical premium.
3. 3Judge returns after turnover, trading costs, fees, and taxes.
4. 4Separate the long-term thesis from short-term price movement in Factor investing.
5. 5Write in advance what would make the method unsuitable for the case being analyzed.

1. 1Choose factors with economic rationale and evidence across markets.
2. 2Specify universe, signal construction, weighting, and risk constraints.
3. 3Test sensitivity to periods, definitions, costs, and crowded positions.
4. 4Rebalance consistently and review whether implementation still matches the mandate.
5. 5Write the main assumptions, fair value range, and monitoring signals before buying.
6. 6Compare actual evidence with the original thesis instead of judging only by unrealized gain or loss.