Capital Gains Yield Calculator
Calculate capital gains yield — the return from price appreciation alone.
What this calculator does
Capital gains yield strips an investment's return down to one component: what the price did. It is current or exit price minus purchase price, divided by purchase price. Income of any kind is deliberately left out.
That narrowness is the point. Total return tells you how much money you made; capital gains yield tells you how much of it came from the market repricing the asset rather than from cash the asset paid you. The calculator returns the gain in dollars, the yield as a percentage, and an annualized equivalent for periods longer or shorter than a year.
When to use it
Use it when you need to separate the two halves of a return. Deciding whether a dividend stock has actually grown, judging whether a growth position is delivering the appreciation that justifies its lack of income, or comparing a non-dividend-paying holding against one that pays — all of these need the price component isolated.
It also matters for tax planning. Capital gains yield is the part of your return that sits unrealized and untaxed until you choose to sell, which makes it the number to look at when timing a disposal around the one-year long-term threshold.
Understanding the inputs
Purchase price is what you paid per share, or your total cost basis if you prefer to work with the whole position. Use split-adjusted figures — this is where most errors creep in.
Current or exit value is the price now, or your sale price. Crucially, do not add dividends here: including them turns the result into a total return and defeats the purpose of the measure. The holding period in years drives the annualized figure only. Decimals are fine, so seven months is roughly 0.58.
How is this calculated?
Capital Gains Yield = (Current Price − Purchase Price) / Purchase Price × 100
A worked example
You bought shares at $48.20 and they now trade at $55.60, two years later. The capital gains yield is $7.40 divided by $48.20, or 15.35 percent — an annualized rate of about 7.4 percent.
Now add context. If the stock also paid $1.55 per share annually, that is a dividend yield of roughly 3.2 percent a year on your cost, bringing total return closer to 10.6 percent annually. The capital gains yield answers whether the business is growing in the market's eyes; the dividend yield answers what it is paying you meanwhile.
Limitations and assumptions
This measure is incomplete by design and should never be used alone to compare investments with different income profiles. It also looks only backwards — past price appreciation does not predict future appreciation, and the calculator assumes a flat return with no volatility.
It excludes commissions, SEC fees, taxes on eventual sale, and the effect of currency movement on foreign holdings. Nothing here is investment advice. If a large unrealized gain is driving a decision about when to sell, the tax consequences deserve a conversation with a CPA before you act.
Common Questions
- What is capital gains yield?
- It is the price appreciation of a security expressed as a percentage of what you paid, and nothing else. Current price minus purchase price, divided by purchase price. Dividends, interest, and any other income are deliberately excluded — the point of the measure is to isolate what the price alone did.
- How does it differ from total return?
- Total return equals capital gains yield plus dividend yield. A stock bought at $100 that now trades at $112 while paying $3 in dividends has a capital gains yield of 12 percent and a total return of 15 percent. Confusing the two is the single most common error in comparing investments.
- Why would I ever want to exclude dividends?
- Because the two components behave differently and are taxed differently. Dividends are cash you received and were taxed on; appreciation is a paper gain you control the timing of. Separating them tells you whether a holding is a growth story or an income story, which drives entirely different decisions about when to sell.
- Can capital gains yield be negative while total return is positive?
- Routinely, yes. A utility stock might fall 2 percent in price while paying a 5 percent dividend, giving a capital gains yield of minus 2 percent and a total return of plus 3 percent. High-yield sectors show this pattern often, which is why price charts make them look worse than they were.
- Does the capital gains yield tell me my tax bill?
- Only indirectly, and only when you sell. Unrealized appreciation is not taxed. On sale, gains on assets held over a year are long-term and taxed at 0, 15, or 20 percent depending on income; held a year or less they are short-term and taxed as ordinary income at your marginal rate.
- How do I annualize a capital gains yield?
- Take the growth factor to the power of one over the number of years, then subtract one. A 40 percent gain over five years is 1.40 to the power 0.2, minus 1, which is 6.96 percent a year. Enter the years above and the calculator does this for you.
- Should I use this for a fund or ETF?
- You can, but be careful with distributions. A fund's share price drops when it makes a capital gains distribution, so a price-only measure will show a decline that was actually cash paid to you. For funds, total return figures published by the provider are usually the more meaningful comparison.
- What is a reasonable capital gains yield to expect?
- For the broad US market, price appreciation has historically run around 6 to 7 percent a year, with dividends adding a further 2 to 3 to reach the familiar 10 percent total. Individual stocks vary enormously around that, and growth-oriented names deliver nearly all their return through appreciation.
- Does this account for stock splits or share buybacks?
- Splits require split-adjusted prices or the result is nonsense — use your broker's adjusted history. Buybacks need no adjustment: they reduce share count and mechanically support the price, so their effect already appears inside the capital gains yield rather than as separate income the way a dividend would.
Related calculators
- Dividend Yield CalculatorCalculate dividend yield and annual income from dividend-paying stocks.
- Holding Period Return CalculatorCalculate total return for any investment holding period.
- Stock Investment Return CalculatorCalculate total return on a stock investment including dividends and capital gains.