Investor Corner/Building and judging a portfolio/Portfolio Construction & Behaviour

3.1.1 Asset Allocation

Asset allocation is the split between equity, debt, gold, cash and other assets. This single decision usually explains more of an investor's long-term result than any individual fund selection ever does.

~3 min read

The decision that matters most

Research into long-term portfolio returns consistently points to the same conclusion: how a portfolio is divided across broad asset classes typically explains far more of the variation in results than which specific fund was chosen within any single asset class. A well-chosen fund inside the wrong overall allocation still tends to deliver a poor fit for the investor's actual needs.

Why allocation drives so much of the outcome

Equity, debt and gold behave differently in different environments, and their combination is what determines both the expected return and the volatility an investor actually experiences. Getting this mix roughly right for your own time horizon and risk tolerance matters more than optimising the last percentage point of fund selection within any single asset class.

Debt Equity Gold Conservative 70% 25% Balanced 40% 50% 10% Growth oriented 15% 75% 10%
Illustrative asset allocation mixes across three risk profiles. The right mix for any individual depends on their own time horizon, goals and comfort with volatility.

Setting it, and then actually sticking to it

Deciding on an allocation is only half the task. The other half is having a process, generally periodic rebalancing, to keep the portfolio near its intended mix as different assets grow at different rates over time and naturally drift the allocation away from where it started.

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