New Tool: See If Your Stock Picks Actually Beat VTI

Here's a question almost every retail investor will dodge: how do you actually know your stock picking is working?

Not "is my account up." Up isn't the bar. The bar is: "am I doing better than I would have done if I had bought a single index fund and gone surfing."

That number — the difference between what you actually earned and what a passive benchmark would have earned with the same dollars on the same days — is the only number that decides whether all the stock picking, the watchlists, the earnings calls, and the screen time were worth it.

It's also a number almost nobody calculates. So we built a tool that does it for you.

Why we built it: the truth retail investors avoid

Open Robinhood. Open Fidelity. Open the broker app of your choice. Almost every one of them shows you the same thing: your account balance, your total return, and a green or red percentage.

What none of them show you, by default, is the only comparison that matters: what would those exact same deposits and trades have done in a passive index fund?

This is not an accident. Every brokerage that offers individual stocks has a structural incentive to keep you picking individual stocks. Order flow gets sold. Active accounts generate engagement metrics. The platform's interests are not perfectly aligned with showing you a number that, for most people, will say "you are losing to a fund that costs 0.03% per year."

Because the comparison is hidden, most retail investors operate on a comforting assumption: my picks are working. The account is up. The line goes from bottom-left to top-right. Things are good.

But "the account is up" during a decade where the broad U.S. market roughly tripled is not a feat. It's table stakes. The market is a tide. Almost everybody's boat went up. The real question is whether your boat went up more than the boat that required no skill, no time, and no anxiety.

The data on this is brutal. S&P's SPIVA scorecard has shown for two decades that roughly 80–90% of actively managed U.S. large-cap funds underperform the S&P 500 over 10+ year periods — and these are professionals with Bloomberg terminals, full-time research staff, and structural advantages no retail investor has. DALBAR's research shows the average individual investor underperforms their own funds by about 3.6% per year, almost entirely from buying high and selling low.

So statistically, the bet you are making by stock picking is: "I am better than 85% of professional fund managers." Maybe you are. But you owe yourself the proof.

How the tool works

The mechanics are deliberately boring, because that's the whole value proposition.

1. You give it your trades. Either drop in a transaction history CSV from Robinhood, Vanguard, Fidelity, or Schwab — or punch in trades manually if you want to model a hypothetical portfolio.
2. It pulls historical prices. For every ticker you traded and for VTI, the tool fetches daily close prices going back as far as needed.
3. It replays everything twice. Once as it actually happened — every buy, every sell, every dividend reinvest. Then a parallel simulation where the same cash flows on the same dates went into VTI instead.
4. You see two equity curves and one number. A side-by-side growth chart, plus your alpha — the dollar and percentage difference between what you did and what VTI would have done with the same money.

It's the comparison your broker should already be showing you, but doesn't.

Privacy by design

This matters, so let's be specific. The CSV file you upload is parsed entirely in your browser using PapaParse — it never leaves your device, and we never see it. The only network calls the tool makes are to fetch historical close prices for the tickers in your file (so we can run the simulation). We do not store, log, or transmit your transactions. We don't even know you used it unless you tell us.

What you might find (and why that's the point)

Three outcomes are possible, and each one is genuinely useful.

Whichever bucket you land in, you are now operating on data instead of vibes. That alone is worth the 60 seconds it takes to upload a CSV.

Beta testers wanted

This is a beta. We've tested it ourselves with the four big retail brokerage exports, but real-world CSVs are messy — different account types, fractional shares, dividend reinvestment lines, corporate actions, joint accounts, employer plans, weird older formats. We can't anticipate every edge case, so we need help from real users.

If you try it, we want to hear:

• Did your CSV parse correctly? If not, which broker, and (if you're comfortable) can you send us an anonymized sample?
• Did the resulting alpha number match your gut? If not, what looked off?
• What's the one feature that would make this dramatically more useful for you? (Custom benchmark? After-tax view? Multi-account merge?)
• Was anything confusing in the UI?

Why we're giving this away

Tools like this exist as $20/month subscriptions inside premium broker tiers and finance apps. We think this particular calculation — am I beating the market? — is a question every investor deserves to answer for free. Charging for it would be like charging someone to see the price tag on the thing they already bought.

If the tool changes how you think about your portfolio, the best thanks you can give us is sharing it with one other person who's stock picking without a benchmark. That's how a behavior gap gets closed, one honest equity curve at a time.

"If you can't measure it, you can't improve it." — often misattributed to Peter Drucker, frequently true anyway.