Stock Profit/Loss Calculator
Calculate how much money you made or lost on a stock position.
Enter your entry price, exit price, and number of shares to see your total profit or loss, profit or loss per share, and percentage return.
Stock Profit/Loss Calculator
Calculate your stock profit or loss in dollars and percentage based on your entry price, exit price, and number of shares.
Stock Profit / Loss
How This Result Was Calculated
How to Calculate Stock Profit or Loss
Stock profit or loss is calculated by comparing your selling price with your original purchase price and multiplying the difference by the number of shares you own.
If the selling price is higher than your entry price, the position produced a gain. If the selling price is lower, the position produced a loss.
Dollar Profit vs. Percentage Return
Dollar profit tells you how much money the position gained or lost. Percentage return tells you how large that gain or loss was relative to the price you originally paid.
Looking at both numbers gives you more context than looking at either result by itself.
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The full Profit/Loss Calculator includes:
Long and short positions
Multiple partial exits
Entry and exit fees
Realized profit and loss
Unrealized profit and loss
Remaining share analysis
Average exit price
Break-even price
Current position value
What-if exit scenarios
Additional investor tools
What Your Profit/Loss Result Means
A stock profit or loss calculation compares the price where you entered a position with the price where you exited it.
For example:
Entry Price: $50
Exit Price: $65
Shares: 100
Your profit per share is:
$65 − $50 = $15
Your total profit is:
$15 × 100 = $1,500
Your percentage return is:
$15 ÷ $50 × 100 = 30%
Result:
Profit: $1,500
Return: 30%
That means the stock increased 30% from your entry price to your exit price.
The simplified calculator does not include taxes, trading fees, dividends, slippage, or other costs that may affect your actual investment result.
How to Calculate Stock Profit or Loss
You need three numbers:
-Entry price
-Exit price
-Number of shares
The calculation is straightforward.
Step 1: Calculate Profit or Loss Per Share
Subtract the entry price from the exit price.
Profit/Loss Per Share = Exit Price − Entry Price
Example:
Entry: $100
Exit: $112
Profit Per Share:
$112 − $100 = $12
Step 2: Calculate Total Profit or Loss
Multiply the profit or loss per share by the number of shares.
Total Profit/Loss = Profit/Loss Per Share × Number of Shares
Example:
Profit Per Share: $12
Shares: 250
$12 × 250 = $3,000
Total Profit:
$3,000
Step 3: Calculate Percentage Return
Divide the profit or loss per share by the entry price.
Percentage Return = Profit/Loss Per Share ÷ Entry Price × 100
Using the same example:
$12 ÷ $100 × 100 = 12%
Your return is:
12%
Stock Profit Calculation Example
Let's look at a complete example.
Position
Entry Price: $40
Exit Price: $52
Shares: 500
Profit Per Share
$52 − $40 = $12
Total Profit
$12 × 500 = $6,000
Percentage Return
$12 ÷ $40 × 100 = 30%
Result:
Total Profit: $6,000
Percentage Return: 30%
Your original position value was:
$40 × 500 = $20,000
Your exit value was:
$52 × 500 = $26,000
The difference is:
$6,000
Stock Loss Calculation Example
The same formula works when a stock declines.
Example:
Entry Price: $75
Exit Price: $60
Shares: 200
Loss Per Share
$60 − $75 = −$15
Total Loss
−$15 × 200 = −$3,000
Percentage Return
−$15 ÷ $75 × 100 = −20%
Result:
Total Loss: $3,000
Percentage Loss: 20%
This is why it helps to look at both the dollar result and percentage return.
Dollar Profit vs. Percentage Return
These two numbers answer different questions.
Dollar Profit or Loss
How much money did I actually make or lose?
Percentage Return
How much did the investment gain or lose relative to my entry price?
For example:
Position A
Investment: $10,000
Profit: $2,000
Return: 20%
Position B
Investment: $100,000
Profit: $5,000
Return: 5%
Position B produced more dollars.
But Position A produced a much stronger percentage return.
That distinction matters when comparing investment performance.
Why Percentage Return Matters
A dollar gain by itself can be misleading.
Suppose someone says:
“I made $10,000 on that stock.”
That sounds impressive.
But how much money was invested?
If the position required $500,000 of capital, the return was only:
2%
If the position required $50,000 of capital, the return was:
20%
Same dollar profit.
Very different investment performance.
Percentage return gives the dollar result context.
How Does Position Size Affect Profit and Loss?
Position size directly affects your dollar result.
Suppose two investors buy the same stock at $50 and sell at $60.
The stock gained:
$10 per share
or
20%
Investor A
100 shares
$10 × 100 = $1,000 profit
Investor B
1,000 shares
$10 × 1,000 = $10,000 profit
Both investors earned the same percentage return.
Their dollar results were very different because their position sizes were different.
The same principle applies to losses.
A larger position magnifies both gains and losses.
Profit Percentage and Portfolio Return Are Not the Same Thing
This is another important distinction.
Suppose you invest $10,000 in a stock and earn a 20% return.
Your stock position gains:
$2,000
But suppose your entire portfolio is worth $100,000.
That $2,000 gain represents:
2% of your overall portfolio
Your stock return was 20%.
Your portfolio return from that position was 2%.
Those numbers are not interchangeable.
How Do Fees Affect Stock Profit?
Transaction costs reduce your actual return.
For example:
Gross Profit: $1,000
Entry Fees: $5
Exit Fees: $5
Net Profit:
$1,000 − $10 = $990
Many brokers now offer commission-free stock trading, but other costs can still exist.
These may include:
Regulatory fees
Exchange fees
Bid-ask spreads
Slippage
Foreign transaction costs
Borrowing costs for short positions
Margin interest
The public calculator provides the simplified result.
The advanced calculator inside the Execution Signals Tools Portal allows you to include transaction fees in your analysis.
What Is Realized Profit or Loss?
A profit or loss becomes realized when you close the position.
For example:
You buy 100 shares at $50.
The stock rises to $60.
While you still own the shares, you have an unrealized gain.
If you sell the shares at $60, that gain becomes realized.
Your realized profit is:
$10 × 100 = $1,000
Once the shares are sold, the result is no longer dependent on future stock-price movement.
What Is Unrealized Profit or Loss?
An unrealized profit or loss exists while the position is still open.
Example:
Entry Price: $50
Current Price: $57
Shares: 200
Unrealized Gain Per Share:
$57 − $50 = $7
Unrealized Profit:
$7 × 200 = $1,400
That $1,400 has not been locked in.
If the stock drops before you sell, the gain can shrink or disappear.
If the stock rises, the gain can increase.
The advanced Stock Profit/Loss Calculator can analyze both realized and unrealized results.
How Do Partial Stock Sales Affect Profit?
Investors do not always sell an entire position at once.
You may buy 500 shares and then sell:
100 shares at $45
200 shares at $50
100 shares at $55
Keep 100 shares
Each exit produces a different profit or loss.
The average result depends on:
How many shares were sold
The price of each exit
Any transaction costs
The value of shares still held
This gets more complicated than a simple entry-to-exit calculation.
The advanced Stock Profit/Loss Calculator inside the Execution Signals Tools Portal is designed to handle multiple exits and remaining shares.
What Is Average Exit Price?
If you sell shares at several different prices, your average exit price represents the weighted average price of those sales.
Example:
Sell 100 shares at $50
Sell 200 shares at $55
Sell 100 shares at $60
You cannot simply average 50, 55, and 60 if the share amounts are different.
The calculation needs to weight each price by the number of shares sold.
That provides a more accurate picture of how the overall position was exited.
Can I Use a Profit/Loss Calculator Before Selling?
Yes.
You can enter a potential future exit price to estimate what your gain or loss could be.
For example:
Entry: $40
Potential Exit: $50
Shares: 300
Projected Profit Per Share:
$10
Projected Profit:
$10 × 300 = $3,000
Projected Return:
25%
That does not mean the stock will reach $50.
It simply shows the mathematical result if it does.
This can be useful when comparing possible exit scenarios.
Can Stock Profit Be Negative?
Yes.
A negative result means the exit price is below the entry price.
For example:
Entry: $100
Exit: $85
Shares: 100
Loss Per Share:
−$15
Total Loss:
−$1,500
Percentage Return:
−15%
The calculator will display the result as a loss.
Why Losses Require Larger Gains to Recover
Loss percentages and recovery percentages are not symmetrical.
For example:
A stock falls from $100 to $50.
That's a:
50% loss
But going from $50 back to $100 requires:
100% gain
Here's another example:
| Loss | Gain to Recover |
|---|---|
| 10% | 11.1% |
| 20% | 25% |
| 25% | 33.3% |
| 33% | 49.3% |
| 50% | 100% |
The larger the loss becomes, the harder it is mathematically to recover.
This is one reason risk management and position sizing matter.
What Is the Difference Between Profit/Loss and Risk/Reward?
These tools answer different questions.
Profit/Loss
How much did I make or lose based on the entry and exit price?
Risk/Reward
How much potential upside am I taking relative to the downside I planned before entering?
Profit/loss measures an actual or hypothetical outcome.
Risk/reward evaluates the relationship between your planned stop and profit target.
How Should I Interpret My Result?
Do not evaluate an investment based on profit or loss alone.
Ask:
How much capital did I commit?
What percentage return did I earn?
How much risk did I take?
Did I follow my original plan?
Was my position size appropriate?
Did I exit according to my strategy?
Did I manage risk correctly?
Were my assumptions accurate?
Would I make the same decision again?
What can I learn from the result?
A profitable trade can still involve a poor process.
A losing trade can still come from a disciplined decision.
The goal is not simply to judge whether you made money.
The goal is to improve how you make investment decisions.
Profit/Loss Is Only One Part of the Decision
Execution Signals uses the ACE Method™ to evaluate investments within a broader framework.
Assess
Understand the business, opportunity, and assumptions before committing capital.
Correlate
Evaluate the chart, risk/reward, position size, catalysts, portfolio fit, and other relevant evidence.
Execute
Build the plan, manage the position, and review the result without allowing emotion to control the process.
Assess → Correlate → Execute
[Coming Soon]
Related Investor Tools
Position Size Calculator
Calculate how many shares may fit within your planned portfolio-risk limit.
Use the Position Size Calculator
Risk/Reward Calculator
Compare your planned downside with your potential upside and calculate your break-even win rate.
Portfolio Risk Calculator
Measure how individual positions may contribute to your overall portfolio risk.
[Use the Portfolio Risk Calculator]
[Coming Soon]
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The public calculator gives you the core profit/loss numbers.
Inside the Execution Signals Tools Portal, the advanced version lets you analyze the complete position.
Analyze:
Long and short positions
Multiple partial exits
Entry and exit fees
Realized profit or loss
Unrealized profit or loss
Remaining shares
Remaining position value
Average exit price
Break-even exit price
What-if exit scenarios
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Want to Learn the Complete Investment Process?
The Investor Decision Framework
A stop-loss calculation tells you how far your planned exit is from your entry.
It does not tell you whether the company is worth owning, whether your timing makes sense, how large the position should be, whether the potential reward justifies the risk, or when your thesis has actually changed.
The Investor Decision Framework teaches how those pieces work together through the complete ACE Method™.
The 12-lesson course covers:
Understanding the business
Reading the chart
Risk vs. reward
Position sizing
Stop planning
CatalystsTrade planning
Trade execution
Managing investments
Exit strategy
Trade review
Complete investment walkthrough
You'll also receive the Execution Signals Field Manual to apply the process to your own investment decisions.
[Coming Soon]
Define the Risk Before You Enter the Trade
The goal isn't to find a stop that guarantees you won't lose money.
That's impossible.
The goal is to define where your original trade idea no longer makes sense before your money is committed.
Find the level.
Measure the distance.
Size the position.
Then decide whether the opportunity fits your process.
Assess. Correlate. Execute.™
Execution Signals calculators are provided for educational and informational purposes only and do not constitute financial, investment, legal, or tax advice. Calculator results are estimates based on the information entered. Stop-loss orders do not guarantee execution at the selected stop price. Actual investment results may differ due to price gaps, slippage, liquidity, fees, taxes, market volatility, and other factors. Investing involves risk, including the possible loss of principal.
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Disclaimer: Execution Signals is for educational and informational purposes only and does not provide financial or investment advice. Investing involves risk, including loss of capital. Results are not guaranteed.
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