If you asked most investors what determines their portfolio's long-term results, they'd probably say "stock picking" or "market timing." Decades of academic research point somewhere else entirely: asset allocation — the mix of stocks, bonds, cash, and other asset classes you hold — is the dominant factor behind the variability of most investors' returns over time. Individual security selection and timing decisions tend to matter far less than most people assume.
What Is an Asset Class?
An asset class is a group of investments that share similar characteristics and behave similarly in the market. The major asset classes include:
Equities (stocks): ownership stakes in businesses, offering growth potential with higher volatility
Fixed income (bonds): loans to governments or corporations, offering income and relative stability
Cash and cash equivalents: highest liquidity, lowest expected return, a buffer against volatility
Real assets: real estate, infrastructure, and commodities, often used for diversification and inflation protection
Alternatives: private equity, hedge strategies, and other less liquid or less correlated investments
Each asset class responds differently to economic conditions, interest rates, and inflation. That difference in behavior is exactly what makes combining them useful.
Why Allocation Matters More Than Selection
The logic behind asset allocation's outsized importance is straightforward: different asset classes have different long-term expected returns and different volatility profiles. A portfolio that's 80% equities will behave very differently — in both good years and bad — than one that's 30% equities, regardless of which specific stocks or funds you hold within each category. Your allocation sets the boundaries within which security selection can operate.
This is why professional portfolio management usually starts with the allocation decision, not the selection decision. Choosing between two similar Canadian equity funds is a relatively minor decision compared to choosing between 40% and 70% equities asset allocation.
Diversification: The Only Free Lunch in Investing
Combining asset classes that don't move in lockstep with each other is how diversification reduces risk without necessarily reducing expected return. If stocks and bonds sometimes move in opposite directions — as they often, though not always, do — a blended portfolio can smooth out the ride considerably compared to holding either asset class alone.
This is sometimes called the only "free lunch" in finance, because diversification can reduce a portfolio's volatility without a one-for-one sacrifice in expected return. It doesn't eliminate risk, and it doesn't work perfectly in every market environment (2022 was a notable exception, when both stocks and bonds fell together), but over long periods it remains one of the most reliable tools available to investors.
Matching Allocation to Time Horizon and Risk Capacity
There's no universally "correct" asset allocation — the right mix depends on your time horizon, your capacity to withstand volatility, and your actual need to take risk in the first place. A 40-year-old saving for retirement decades away can typically absorb more equity volatility than a 68-year-old who is now drawing income from the same portfolio. But it's not only about age — it's about when the money is needed and what happens if it isn't there when you need it.
This is also where risk tolerance (how you feel about volatility) and risk capacity (what your financial plan can actually withstand) sometimes diverge. Many retirees have more risk capacity than they assume, because a well-structured plan accounts for guaranteed income sources like CPP and OAS. Others have less capacity than their comfort with risk would suggest, because a market downturn early in retirement can do lasting damage to a portfolio that's being drawn down at the same time.
Rebalancing: Keeping the Plan on Track
Asset allocation isn't a "set it and forget it" exercise. As markets move, your actual allocation drifts away from your target — a strong year for equities can leave a portfolio far more stock-heavy than originally intended, quietly increasing risk without any deliberate decision to do so. Periodic rebalancing brings the portfolio back to its intended mix, which has the useful side effect of systematically trimming what's gone up and adding to what's lagged — a disciplined, unemotional version of "buy low, sell high."
Building an Allocation That Reflects Your Actual Plan
Generic allocation rules of thumb (like "100 minus your age in equities") are a reasonable starting point for a conversation, but they aren't a substitute for a plan built around your specific goals, income needs, and time horizon.
A Practical Example
Consider two Ontario households, both with $800,000 in investable assets. The first is a couple in their mid-40s, still working, with no plans to draw on the portfolio for at least 15 years. The second is a couple who retired last year and is drawing $40,000 annually from the same size portfolio to supplement CPP and OAS. Even if both households describe themselves as "moderate risk," a responsible allocation for the first couple likely looks meaningfully different from the second — not because one is more sophisticated than the other, but because the actual role the money plays in their life is different. The first portfolio has time to recover from a downturn; the second is being drawn down at the same time markets might be falling, which changes the math considerably. This is why allocation decisions built from generic risk questionnaires alone, without reference to the specific plan behind them, often miss the mark.
Contact us today for a complimentary consultation
At ColdBerry Wealth, asset allocation decisions start with a client's actual retirement income plan — not a model portfolio pulled off a shelf. If you'd like a second opinion on whether your current allocation actually matches your plan, a discovery call is a good place to start.
This publication is for informational purposes only and has been prepared from public sources which are meant to be reliable. None of the information in this should be construed as investment advice. Speak to your Investment Advisor to learn if this product is right for you. Designed Securities Ltd. (DSL) is regulated by the Canadian Investment Regulatory Organization (CIRO), and a Member of the Canadian Investor Protection Fund (www.cipf.ca). Christopher Burke is registered to advise in securities to clients residing in Ontario. The views expressed are those of the author and not necessarily those of DSL. This report does not constitute an offer or solicitation in any jurisdiction in which such offer or solicitation is not authorized or to any reliable person to whom it is unlawful to make such offer or solicitation. Content is accurate as of the date of publication, and subject to change without notice.
