what if i bought...
Enter a ticker, an amount, and a date — see what it's worth today.
If you invested in () on , you would have
as of
What if you'd picked something else?
What this calculator does
What If I Bought answers one simple question: if you had put a certain amount of money into a stock or other asset on a past date, what would that investment be worth today? Type in a ticker (like AAPL or MSFT), the dollar amount you imagine investing, and the date you would have bought. The tool pulls historical price data, works out how many shares that money would have bought back then, and values them at today's price — so you see both the current value and the total gain or loss.
It's free, needs no account, and stores nothing about your searches. Use it to satisfy a "what if," to understand how a position might have grown, or just to make long-term investing feel a little more concrete.
How to read your result
The headline number is what your original investment would be worth today. Below it, the gain (or loss) shows how much that value has changed since your chosen date — both as a dollar figure and a percentage.
- Gain vs. loss: a green, positive number means the asset rose over the period; a red, negative number means it fell. The percentage tells you the proportional change, which is the fairer way to compare different amounts.
- Adjusted close: historical values use each day's adjusted closing price, which accounts for stock splits and (where the data provides it) dividends, so a 2-for-1 split doesn't look like a 50% crash.
- Benchmarks: the "what if you'd picked something else?" row re-runs the same investment against other well-known assets, so you can see how your pick compares to the broader market over the exact same window.
A few worked examples
The clearest way to understand the tool is to try it. A few patterns you'll see:
A long hold in a single stock. Enter a large, established company and a date several years back. You'll usually see a result well above your starting amount — but notice how much of the total return came from just a few strong years, not steady growth. The percentage gain makes that lumpiness obvious.
Buying right before a downturn. Pick a date just ahead of a known market drop. The same asset can show a loss or a flat result for years before recovering — a concrete reminder that when you buy matters as much as what you buy.
One stock vs. the market. Run any single stock, then look at the benchmark row. Sometimes an exciting individual pick actually trailed a plain index over the same period — exactly the kind of comparison that's easy to forget.
Why historical returns aren't predictions
Everything here is backward-looking. Seeing that an asset would have multiplied your money over the past decade tells you what happened — not what will happen next. Past performance is genuinely not indicative of future results: the conditions that drove a stock's rise may not repeat, and the same asset can deliver very different outcomes over the next ten years. Treat these numbers as a way to learn and explore, not as a forecast or a recommendation. This tool is for informational and entertainment purposes only and is not financial advice.