What it means
Every investment return comes from two sources: the cash it pays you while you hold it, and the change in its market value. Capital gain yield measures only the second of these, which is why it is sometimes called the price return.
Separating the two is useful because they behave very differently. Dividend income tends to be steady and predictable, while price movements are volatile and, crucially, unrealised until you sell.
The calculation is a simple percentage change: the rise in price divided by the original purchase price. It can be negative, in which case it is still called the capital gain yield even though the number represents a loss.
The measure is used constantly in investment reporting, property analysis and company share schemes. A fund manager comparing two holdings will often want to know how much of each one's return came from price appreciation rather than income, because a portfolio living entirely on price gains is exposed to a change in market mood.
There are two nuances worth knowing. First, over multiple years the simple percentage overstates the annual experience, so analysts convert to a compound annual figure; second, capital gain yield says nothing about tax, and in most jurisdictions realised gains and dividends are taxed at different rates.
The measure also has a practical use in valuation. If a stable business is expected to grow its dividend at a constant rate, that growth rate is also the expected long-run capital gain yield, which is the logic sitting behind the dividend growth model.
In practice
Real-world examples.
Example
A buy-to-let landlord bought a flat for $280,000 and has it valued at $322,000 three years later. The capital gain yield over the period is 15%, which she reports separately from the rental yield when reviewing whether to refinance.
Example
An employee holding share options tracks the capital gain yield on his company's stock because options pay off on price movement alone. Dividends accrue to shareholders, not option holders, so the income component is irrelevant to him.
Example
A pension trustee reviews a bond fund that delivered a 5% income yield and a -2% capital gain yield after interest rates rose. The 3% total return looks acceptable, but the split tells the trustees exactly where the pressure is coming from.
Think of it
“Capital gain yield is the percentage return from price increase alone-not counting dividends.
Formula
Calculation
Capital Gain Yield = (Ending Price - Beginning Price) / Beginning Price
Worked example. An investor buys shares in a listed drinks company at $40.00 each. One year later the shares trade at $46.00, and during the year the company paid a dividend of $1.20 per share.
Capital gain yield = ($46.00 - $40.00) / $40.00 = $6.00 / $40.00 = 0.15, or 15%
Dividend yield = $1.20 / $40.00 = 0.03, or 3%
Total return = 15% + 3% = 18%
So of the 18% earned in the year, five sixths came from the share price rising and one sixth from cash actually received. If the shares had instead fallen to $34.00, the capital gain yield would be ($34.00 - $40.00) / $40.00 = -0.15, or -15%, and the total return would be -12%.Case study
Seen in the real world.
The following is an illustrative, fictional story. Ravensmere Investments, an invented boutique wealth manager, reported returns to clients as a single total return figure. Clients were content while markets rose, but during a flat year several complained that the "8% return" they had been quoted had not put any money in their pockets.
The firm changed its reporting to show capital gain yield and income yield separately. On one representative portfolio, the 8% total return broke down as 6.4% capital gain yield and 1.6% income yield, meaning only about a fifth of the return was cash a client could actually spend.
That single change reshaped conversations. Retired clients who needed spendable income moved toward holdings with higher dividend yields, while younger clients accepting more price volatility kept the growth-weighted mix. The illustrative lesson is that splitting a return into its two components is often more useful than making the headline number bigger.
Watch out
Common mistakes.
- Treating capital gain yield as total return. Ignoring dividends, interest or rent can understate an income-heavy investment's performance by several percentage points a year.
- Applying a multi-year percentage as if it were annual. A 45% gain over five years is roughly 7.7% a year compounded, not 9%, and quoting the simple average overstates performance.
- Forgetting that an unrealised gain is not cash. Until the asset is sold the yield exists only on paper, and it can disappear before any money changes hands.
Questions
People also ask.
Can capital gain yield be negative?
Yes, and it frequently is; a fall in price simply produces a negative percentage using exactly the same formula.
How is it different from capital gains tax?
Capital gain yield is a measure of investment performance, while capital gains tax is a charge levied on the profit once a gain is actually realised by selling.
Should transaction costs be included?
For a truer picture, yes; deducting purchase and sale commissions from the price change gives a net capital gain yield that reflects what the investor really earned.
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