Free investor tools
Simple, free calculators to help you do your own research — no sign-up, no limits, and nothing to install. Every one shows its working. Educational only, never advice.
Position-Size Calculator
Size a position from your account size, risk tolerance, entry, and stop-loss.
Open toolStock Valuation Snapshot
See a stock's key valuation multiples and 52-week range at a glance.
Open toolCompound Interest Calculator
Project how an initial amount plus regular contributions could grow over time.
Open toolDividend Income Calculator
Work out the income a holding yields — and the capital needed for a target income.
Open toolDollar-Cost Averaging Calculator
See the average price and share count from investing a fixed amount at intervals.
Open toolStock Average Calculator
Combine multiple buys into one average cost per share and total position value.
Open toolStock Profit Calculator
Net profit, return and annualized return on a round trip, after both commissions.
Open toolExpense Ratio Calculator
See what a fund annual fee costs you over time, including the growth it prevents.
Open toolRetirement Withdrawal Calculator
How many years a balance lasts at a given withdrawal, return and inflation rate.
Open toolRisk/Reward Ratio Calculator
Ratio from entry, stop and target, plus the win rate needed just to break even.
Open toolFree to start
Take the research further with Valarn
These calculators work with the numbers you already have. Valarn goes and finds them — running a full research pass on a stock and showing its whole argument, so you can reach your own view.
- A desk of specialist AI analysts on any ticker
- The full reasoning, bull and bear, not just a score
- Every claim linked back to its source
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These tools are for informational and educational purposes only. They are not investment advice and not a recommendation to buy, sell, or hold any security. Always do your own due diligence.