Free Trading Calculators
66 free tools to help you plan trades, manage risk, and grow your portfolio. No signup required.
Risk Management Tools
Position Size Calculator
How many shares should I buy based on my account and risk?
Stop-Loss Calculator
Where should my stop go? Percentage, dollar, or ATR methods.
Drawdown Recovery Calculator
How much gain do I need to recover from a loss?
Margin Calculator
How much margin do I need for this position?
Kelly Criterion Calculator
What's the mathematically optimal amount to risk per trade?
Expectancy Calculator
Is my trading system profitable long-term?
Risk of Ruin Calculator
What's the probability of blowing my trading account?
Value at Risk (VaR) Calculator
What's the maximum expected loss at a given confidence level?
Sharpe Ratio Calculator
How good is my risk-adjusted return?
Max Drawdown Calculator
What was the largest peak-to-trough decline in my portfolio?
Trade Planning Tools
Risk/Reward Calculator
Is this trade worth taking? See the R:R ratio and break-even win rate.
Profit/Loss Calculator
How much will I make or lose on this trade?
Break-Even Win Rate Calculator
How often do I need to win to be profitable?
Stock Average Calculator
What is my average cost per share across multiple buys?
Fibonacci Calculator
Where are the key support and resistance levels?
Swing Trade Planner
Plan your entry, stop, target, and position in one view.
Trailing Stop Calculator
Where should my trailing stop be to protect profits?
Position Sizing (% Risk)
How many shares to buy when risking a fixed percentage of your account?
Growth & Income Tools
Compound Growth Calculator
What happens if I grow my account with monthly contributions?
CAGR Calculator
What was my compound annual growth rate?
Dividend Calculator
How much dividend income will I earn with reinvestment?
DCA Calculator
How does dollar cost averaging grow my money over time?
Stock Return Calculator
How much did my investment return over time?
Inflation Calculator
What will my money be worth in the future?
Retirement Savings Calculator
When can I retire? Project savings with compound growth.
Rule of 72 Calculator
How fast will my money double at this return rate?
Bond Yield Calculator
Calculate current yield and yield-to-maturity for any bond.
Forex Tools
Pip Calculator
What is my pip value for any currency pair and lot size?
Lot Size Calculator
What lot size should I trade based on my risk?
Currency Converter
How much is my money worth in another currency?
Forex Swap Calculator
What will it cost to hold my forex position overnight?
Forex Profit Calculator
How much profit or loss from a forex trade in pips and dollars?
Options Tools
Options Profit Calculator
What's my max profit and loss on this call or put?
Implied Volatility Calculator
How expensive is this option? Back-calculate IV from market price.
Options Greeks Calculator
Calculate Delta, Gamma, Theta, Vega, and Rho for any option.
Covered Call Calculator
What income can I earn selling calls on my stock position?
Tax Tools
Capital Gains Tax Calculator
How much tax will I pay on my trading profits?
ISK Tax Calculator (Sweden)
Calculate the flat-rate tax on your Swedish ISK investment account.
Personal Finance Tools
Budget Calculator
Plan your monthly budget with the 50/30/20 rule and see where your money goes.
Mortgage Calculator
How much mortgage can you afford? Calculate payments with Swedish amortization rules.
Valuation Tools
Intrinsic Value Calculator (DCF)
What is a stock really worth? Estimate fair value with discounted cash flow.
P/E Ratio Calculator
Is this stock cheap or expensive? Calculate price-to-earnings ratio.
Dividend Discount Model
What is a dividend stock worth? Gordon Growth Model valuation.
Fundamental Analysis Tools
EPS Calculator
Calculate earnings per share — basic and diluted.
ROE Calculator
Return on Equity — how efficiently does the company use shareholder capital?
Debt-to-Equity Calculator
How leveraged is the company? Calculate the D/E ratio.
Price-to-Book Calculator
Is this stock trading above or below its book value?
Technical Analysis Tools
Pivot Point Calculator
Where are today's support and resistance levels? S1–S3 and R1–R3.
ATR Calculator
How volatile is this stock? Calculate Average True Range.
Moving Average Calculator
Calculate SMA and EMA from your price data. Detect trend signals.
RSI Calculator
Is this stock overbought or oversold? Calculate the Relative Strength Index.
Bollinger Bands Calculator
Calculate upper, middle, and lower Bollinger Bands from price data.
VWAP Calculator
Calculate the Volume Weighted Average Price for trade execution analysis.
Portfolio & Performance Tools
Portfolio Rebalancing Calculator
What should I buy and sell to reach my target allocation?
Sortino Ratio Calculator
How good are your returns relative to downside risk?
Win Rate Calculator
Analyze your trading performance: win rate, profit factor, expectancy.
Annualized Return Calculator
Convert any holding period return to an annualized rate.
Beta Calculator
How volatile is this stock relative to the market?
Crypto Tools
Crypto Profit Calculator
Calculate your crypto gains or losses including exchange fees.
Market Analysis Tools
Sector Rotation Map
Which sectors are leading? Live heatmap with sector grouping (S&P 500).
Earnings Briefing
When does this stock report? Countdown, revenue trends, analyst estimates.
Insider Tracker
Are insiders buying or selling? Transaction history and ownership data.
More Tools
Polymarket Arbitrage Calculator
Compare prices across related Polymarket outcomes.
Polymarket Expected Value Calculator
Model fair probability vs. market price.
Polymarket Probability Calculator
Convert prices to implied probabilities.
Polymarket Profit Calculator
Estimate P/L for a Polymarket position.
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