Two of the most frequently cited terms in investment management are alpha and beta. They appear in fund fact sheets, performance reports, and investor conversations alike — often without much precision. The underlying concepts are worth understanding clearly.
Beta: Market Exposure
Beta measures how much a portfolio moves in relation to the broader market. A portfolio with a beta of 1.0 tends to move in line with the market. A beta of 1.2 means it amplifies market moves by approximately 20% — in both directions. A beta of 0.6 means it captures roughly 60% of market movement.
Beta is not a measure of skill. It is a measure of market exposure. A fund that holds the market index has a beta of 1.0 by construction — it earns the market return because it is, essentially, the market. There is no active management required to achieve beta.
Alpha: The Return Beyond Market Exposure
Alpha is the return that remains after accounting for market exposure. If a fund earns 15% and the market returns 12%, and the fund's beta was 1.0, the alpha is 3%. That 3% is attributable to something other than simply holding market risk.
In academic finance, sustained positive alpha is difficult to achieve. Markets are competitive. When a genuine edge exists, capital flows toward it and the edge erodes. This is why the investment management industry has spent decades debating whether alpha can be generated systematically — and by whom.
What We Are Actually Trying to Do
At KB Asset Management, we are not primarily chasing alpha bets. Our objective is more specific: to capture the long-term equity risk premium — the return that markets historically deliver to investors who bear systematic risk over time — while managing the risks that erode that premium in practice.
The risks that matter most are concentrated positions, sharp drawdowns, and liquidity events. These are not exotic risks. They are the everyday reality of managing a portfolio through market cycles. A fund that controls them consistently, compounding at a stable rate, will outperform a higher-variance alternative in most multi-year periods.
If there is incremental alpha in our process, it comes from the quality and discipline of our risk management — not from concentrated bets on individual securities.
Why Drawdown Matters as Much as Return
A fund that loses 30% requires a 43% gain just to return to the previous high-water mark. A fund that limits its worst drawdowns to 15% can compound more efficiently over time, even if its peak returns are lower. The mathematics of compounding favor consistency.
This is why drawdown control is as central to our process as return generation. Risk first is not a defensive posture — it is the most direct path to long-term capital growth.
Past performance is not indicative of future results.