$
$
$
Net Profit / Loss
$0
Return on Investment
0%
Total Capital Outlay
$0
Formula / Calculation
Net Profit = (Shares × Sell Price) - (Shares × Buy Price) - Fees
Stock Trading Profitability
Knowing your precise net profit is critical for active traders and passive investors alike. Hidden transaction fees or wide spreads can gnaw at your bottom line. Calculating net basis helps ensure you recognize exactly what gains you made and what your return on investment (ROI) truly was.
Elements of Stock Trading
Cost Basis
The original value of an asset for tax purposes, adjusted for stock splits, dividends, and return of capital distributions.
Trading Commissions
While many brokers now offer zero-commission trading, some platforms or specific asset classes (like pink sheets or options) still carry flat or per-share fees.
Bid-Ask Spread
The invisible cost of trading. The difference between what a buyer is willing to pay and a seller is willing to accept.
Tips for Day and Swing Traders
Keep detailed journals of all entry and exit points to review your strategy efficacy over time.
Account for short-term capital gains taxes (which are much higher) when calculating net take-home profits.
Set stop-losses to strictly define your risk per trade before entering.
Be wary of over-trading, which accumulates small hidden fees and spreads.
Frequently Asked Questions
What is ROI in stock trading?
Return on Investment (ROI) is your net profit divided by your initial total capital outlay, expressed as a percentage.
Do I owe taxes on my stock profit?
Yes. If you held the stock for under a year, it gets taxed at ordinary income rates. Over a year qualifies for lower long-term capital gains tax rates.