Discover what dividend yield on cost is, how to calculate it, and why long-term dividend growth investors use it to measure the true return on their original investment.
Most investors check a stock's current dividend yield before buying.
But long-term dividend investors often pay attention to another metric that tells a much more interesting story:
Dividend Yield on Cost (YOC)
This metric answers a different question.
Instead of asking:
What yield does the stock offer today?
It asks:
What yield am I earning on the price I originally paid?
The difference can be dramatic.
A stock that currently yields only 3% might be generating 9%, 15%, or even 30% on the original purchase price for someone who bought it decades ago and benefited from years of dividend increases.
That's why yield on cost is one of the favorite metrics among long-term dividend growth investors. It doesn't predict future returns, but it reveals how powerful consistent dividend growth can become over time.
What Is Dividend Yield on Cost?
Dividend Yield on Cost measures the annual dividend income you receive relative to your original purchase price, not the stock's current market price.
Formula
Notice the key difference:
- Current Yield uses today's stock price.
- Yield on Cost uses your purchase price.
That makes YOC a personal metric—every investor can have a different yield on cost even while owning the same stock.
Yield on Cost vs. Current Dividend Yield
These two metrics are often confused.
Current Yield | Yield on Cost |
| Uses today's stock price | Uses your purchase price |
| Same for all investors | Different for every investor |
| Measures today's valuation | Measures your personal income return |
| Useful before buying | Useful after owning long term |
Example
Imagine a stock currently trades at $100 and pays a $3 annual dividend.
Current yield:
But suppose you purchased the stock years ago at $30.
Yield on cost:
Today's investors see a 3% yield. You earn 10% on your original investment.
How to Calculate Dividend Yield on Cost
You only need two numbers:
- Original purchase price
- Current annual dividend
Example
You bought shares at $40.
The company now pays $2.80 annually.
Yield on Cost = 7%
That's your personal dividend return based on what you actually paid—not what someone would pay today.
Real Example: How Yield on Cost Grows
Imagine a company consistently increases its dividend every year.
Original purchase price: $25
Year | Annual Dividend | Yield on Cost |
| 1 | $0.75 | 3.0% |
| 5 | $1.10 | 4.4% |
| 10 | $1.70 | 6.8% |
| 15 | $2.50 | 10.0% |
| 20 | $3.60 | 14.4% |
The stock may still yield only 3–4% for new investors, but the original shareholder is now earning 14.4% annually on every dollar originally invested.
Why Long-Term Investors Love Yield on Cost
Dividend growth changes everything.
Imagine two investors buying the same company.
Investor A
- Bought today
- Price: $120
- Dividend: $3.60
- Current yield: 3%
Investor B
- Bought 18 years ago
- Price: $30
- Same dividend today: $3.60
Yield on cost:
Investor B earns 12% annually on the original investment while Investor A starts at 3%.
This illustrates the power of holding companies that consistently increase dividends over long periods.
Can Yield on Cost Reach 20% or More?
Yes—but usually only after many years of dividend growth.
Consider a company purchased at $20.
If its annual dividend eventually grows to $5, the yield on cost becomes:
A 25% yield on cost doesn't mean the stock currently offers a 25% dividend yield.
It means the investor is receiving $5 every year for every $20 originally invested.
That's an important distinction.
Does Stock Price Affect Yield on Cost?
Surprisingly, no.
Once you've purchased the stock, changes in market price do not affect your yield on cost.
Example
You bought at $50.
Current dividend: $2.50
Market price scenarios:
Current Price | Current Yield | Yield on Cost |
| $50 | 5.0% | 5.0% |
| $75 | 3.3% | 5.0% |
| $100 | 2.5% | 5.0% |
| $125 | 2.0% | 5.0% |
Your personal return remains 5%, regardless of market fluctuations.
Is Yield on Cost Better Than Current Yield?
Not necessarily—they serve different purposes.
Current Yield is useful when deciding whether to buy a stock today.
Yield on Cost is useful for measuring how successful your long-term dividend growth strategy has become.
Think of it this way
Question | Use This Metric |
|---|---|
Should I buy this stock today? | Current Yield |
How much income am I earning on my original investment? | Yield on Cost |
Is this stock attractive at today's valuation? | Current Yield |
Has dividend growth rewarded long-term ownership? | Yield on Cost |
The Power of Dividend Growth + DRIP
Yield on cost becomes even more impressive when combined with Dividend Reinvestment Plans (DRIP).
Here's why:
- Company increases dividends.
- Your dividends buy additional shares.
- More shares produce more dividends.
- Future dividend increases apply to a larger share count.
This creates two compounding engines:
- Growing dividend per share
- Growing number of shares
Together, they can dramatically increase long-term portfolio income.
Common Mistakes Investors Make
Mistake #1: Thinking Yield on Cost Predicts Future Returns
It doesn't. YOC measures your historical purchase success, not future performance.
Mistake #2: Ignoring Current Valuation
A stock with a 15% yield on cost may still be overvalued today.
Mistake #3: Comparing Your YOC with Other Investors
Every investor has a different purchase price, so everyone's yield on cost is different.
Mistake #4: Confusing Current Yield with Personal Return
The market's yield and your yield on cost are often very different numbers.
Mistake #5: Chasing High Yield Instead of Dividend Growth
Long-term wealth often comes from companies that steadily grow dividends—not necessarily those with the highest starting yield.
When Yield on Cost Is Most Useful
Yield on cost is particularly valuable for investors who:
- Hold stocks for 10–30 years
- Focus on dividend growth companies
- Reinvest dividends consistently
- Build retirement income
- Measure growing passive income rather than short-term trading returns
It is less useful for short-term traders because the purchase price hasn't had enough time to separate meaningfully from the current dividend stream.
Key Takeaways
- Dividend yield on cost measures annual dividends relative to your original purchase price.
- Formula: Annual Dividend ÷ Original Purchase Price × 100.
- Every investor has a unique yield on cost based on when they bought the stock.
- Dividend growth can increase yield on cost to 3×, 5×, or even 10× the stock's current yield over decades.
- Stock price changes do not affect yield on cost after purchase.
- Use current yield for buying decisions and yield on cost for measuring long-term income growth.
- Dividend reinvestment can further accelerate compounding and future income.
Frequently Asked Questions
What is dividend yield on cost?
Dividend yield on cost is the annual dividend you receive divided by the price you originally paid for the stock, expressed as a percentage.
Why does yield on cost matter more than current yield for long-term investors?
It shows the actual income return on your original investment and highlights how years of dividend growth have increased your passive income.
Can my yield on cost be higher than the stock's current yield?
Yes. If the company has increased its dividend significantly since you purchased the shares, your yield on cost can be much higher than today's current yield.
Does stock price affect yield on cost?
No. Yield on cost is based on your purchase price, not the stock's current market value.
Is yield on cost useful when deciding to buy a stock today?
Not really. Current yield and business fundamentals are generally more useful for evaluating a new investment.
Learn More: How to Read Dividend Yield Correctly
Conclusion
Dividend yield on cost is one of the most rewarding metrics for long-term investors because it reveals something the current dividend yield cannot: the growing income generated from your original investment.
While new investors may see a stock yielding only 3%, a shareholder who bought years earlier could be earning 10% or more on the same company simply because its dividend has grown consistently over time. That's the true power of dividend growth investing.
Remember, however, that yield on cost is a backward-looking personal metric. It celebrates successful long-term ownership, but it should never replace current valuation, dividend safety, and business fundamentals when making new investment decisions.
Disclaimer: Dividend Investing Basics provides educational information only and is not financial, investment, tax, or legal advice. Past dividend growth does not guarantee future dividend increases or investment returns.
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