Put two or three investment opportunities side by side and see what your own assumptions imply: what each might be worth, what the charges take, what inflation leaves, how soon you could reach your money, how much of the story you can actually evidence, and which assumption the whole projection rests on.
Free, no registration
Two or three opportunities
Seven currencies
About 10–15 minutes
Your figures stay in this browser tab
Everything you type stays in this browser tab and is used only to calculate what you see on screen. Nothing is saved to this device, written into the web address, or sent anywhere. Because nothing is stored, closing or refreshing this tab clears your figures.
What this calculator will not do
This tool does not recommend an investment, rank one as best, or judge whether something suits you. It shows what your own assumptions imply, and where your information is thin.
It will not tell you which opportunity to choose, or call one the best.
It will not describe anything as safe, guaranteed or risk-free.
It will not invent a return, a fee, an inflation rate or an exchange rate. Every one of those is yours to enter.
It cannot tell you whether an opportunity is honest. It can show you where your information is thin.
How it works
Set up the comparison. Same capital into each, or each offer exactly as it stands.
Describe each opportunity. Where the figures came from, the money in, how the return is generated, and every cost.
Answer the protection questions. Loss, access, exit, concentration, understanding, registration.
Review. One editable summary that tells you what is missing or contradictory.
Read the results. Six neutral lenses, four charts, and the assumption carrying the most uncertainty.
Test it. A scenario lab for conservative, base and optimistic, and one assumption at a time.
Take it away. A private report, a data export, and a result card that reveals no figures.
Educational, not advice
This calculator provides educational illustrations based on the information and assumptions you enter. Results are not guaranteed and are not financial, investment, tax or legal advice. Fees, taxes, inflation, exchange rates, market conditions and provider performance can change. Verify an opportunity independently and seek qualified advice where appropriate.
Comparison setup
These choices apply to every opportunity, so that what you compare is genuinely comparable.
Opportunity A
Describe the first opportunity exactly as it has been put to you.
Opportunity B
Now the one you are weighing it against.
Opportunity C
A third is optional. Two compared properly beats three compared carelessly.
No third opportunity yet
Add one if you have a third offer in front of you. You can remove it again at any point, and you will be asked to confirm before anything you have typed is discarded.
Risk, liquidity and evidence
The questions that decide whether a projection is worth anything. "I do not know" is a real answer, and recording it is more useful than guessing.
Review your assumptions
Everything you have entered, in one place, with anything missing or contradictory called out. Edit any line here and the results follow.
Results
A projection is an illustration of one set of assumptions, not a forecast and not a promise. Change the assumptions and the picture changes with them.
Scenario lab
Change an assumption and watch what it does. Every slider has a number box beside it, so you are never forced to drag for an exact figure.
Your action plan
Built from the gaps your own entries revealed, most urgent first. Nothing here tells you to buy, sell or choose anything.
Download or share
Three different things, with three different privacy levels. Read what each one contains before you use it.
Private report
Everything: names, assumptions, results, every scenario, charges, charts with their numbers, flags and your action plan. Opens your browser's print dialogue, where you can choose Save as PDF.
Contains your figures. Keep it to yourself and to anyone you are taking advice from.
Data export
A CSV of every input and every result, scenario by scenario, with the conventions used. For your own records or a spreadsheet of your own.
Contains your figures. Cells that begin with a formula character are escaped, so nothing runs when the file opens.
Result card
An image for sharing. By default it says how many opportunities you compared, over what horizon, one neutral observation and how far your checks have got. No names, no amounts, no rates, no projections.
Safe to post. Check the preview below before you send it anywhere.
Privacy preview
Before you act on any of this
This calculator provides educational illustrations based on the information and assumptions you enter. Results are not guaranteed and are not financial, investment, tax or legal advice. Fees, taxes, inflation, exchange rates, market conditions and provider performance can change. Verify an opportunity independently and seek qualified advice where appropriate.
