Stock Return Calculator
Estimate gain or loss after quantity, fees, and tax assumptions.
Before you trust the number
Estimate gain or loss after quantity, fees, and tax assumptions.
Estimate gain or loss after quantity, fees, and tax assumptions. Turn a trade idea into net profit or loss after quantity, fees, and tax assumptions.
The main value is not the gross gain. It is seeing how costs and taxes change the return you keep after the trade closes.
- Net profit after fees and taxes
- For scenario comparison
- Clear positive or negative result state
Quick start with Stock Return Calculator
- 1 Enter the trade prices, quantity, and any cost assumptions you need to model.
- 2 Read net profit before you focus on percentage return so cost drag stays visible.
- 3 Use the result to compare scenarios, then move to exchange or loan pages if the capital decision broadens.
When a trade idea needs net-return math
When price movement alone is not enough because quantity, fees, and taxes change the decision.
- When a trade idea should become a net outcome after quantity, fees, and tax assumptions rather than staying a simple buy-sell price difference.
- For comparing potential trades or sanity-checking whether a nominal winner still looks strong after costs.
Which money assumptions drive the model
Rates, fees, shares, and term do most of the work.
Buy price and sell price
These set the raw trade move before costs.
Quantity
Use the number of shares or units traded.
Fee rate and tax rate
These reduce what you keep after the trade.
Real brokerage rules vary by market. This is a simplified estimate, not a broker statement.
Which money output should guide the next move
Ignore the flashy number.
Net profit
Profit or loss after modeled fees and taxes.
This is the number that matters for real trade performance. A gross winner can still become a weak or negative net outcome after costs.
Return
Net profit expressed as a percentage of the total buy cost.
Use return to compare different trade sizes, but keep the net profit beside it so the actual money impact stays visible.
Fees and taxes
Separate cost buckets for the gap between gross and net results.
If these costs dominate the result, the trade idea may only work at a different price or size.
What the net-return result means
Read gross gain, net money, and return separately.
- Net profit is the money result that matters.
- A positive price move can still become a weak or negative net result once costs are large enough.
Finance examples that mirror real decisions
These examples mirror payment, pricing, and return decisions.
Check a profitable trade after fees
Buy 10 shares at $100 and sell at $135 with a 0.1% fee rate.
- Prices and quantity: $100 buy, $135 sell, 10 shares
- Fee rate: 0.1%
- Net profit: $347.65
- Return: 34.76%
- Fees: $2.35
The trade still keeps about $347.65 after fees, so the cost drag is small relative to the price move.
If the market also involves tax or FX conversion, add those before treating the return as final.
See how a losing trade compounds
Buy 50 shares at $42 and sell at $36 with 0.15% fees and 0.2% tax.
- Prices and quantity: $42 buy, $36 sell, 50 shares
- Fees and tax: 0.15% fee, 0.2% tax
- Net profit: $-309.45
- Return: -14.74%
- Total costs: $9.45
The loss widens beyond the raw price drop because fees and taxes still apply around the exit.
If the cost load feels high, compare the same idea with a different position size or fee assumption.
Money mistakes that survive a clean formula
Wrong assumptions can survive perfect math.
- Looking only at the price move and forgetting fees or taxes.
- Comparing returns without comparing how much money was at risk.
- Treating this simplified estimate as a final brokerage statement.
What to verify before you commit money
Check the live quote or contract before money moves.
- Keep net profit beside return percentage so you do not ignore the real money outcome.
- If the position crosses currencies, convert the result using the exchange calculator before final budgeting.
- Compare the trade outcome with alternative uses of capital if the next decision is invest versus repay debt.
Related calculators for the next money question
Use these when one money question turns into the next.
Currency Exchange Calculator
Use Currency Exchange Calculator when trade results or position sizing need to be converted into another currency before you compare them clearly.
Loan Calculator
Open Loan Calculator when the capital question shifts from return on a trade to the cost of borrowing the same money instead.
Today's Exchange Rate
View the latest exchange rates with update timestamps.
Other languages
Switch languages without losing this page.
-
Open in Korean
Korean version
-
Open in Japanese
Japanese version
Explore related pages
See the category page, related pages, and help from here.
-
Calculators
Back to the category page.
-
All services
Browse the full public catalog from one directory page.
-
Trending by country
Compare saved trend pages by market.
-
HTML sitemap
Browse all main public pages from one page.