Do VOO and QQQ overlap?

Every other tool answers this by weight. That is a statistic about holdings; the question is about risk.

2 holdings. Essentially all of it sits in a single shared direction.

Where the risk sits

Holding	Money	Risk	Ratio
QQQ	50%	59%	1.18
VOO	50%	41%	0.82

The reading, in full

PORTFOLIO: VOO + QQQ
1999-03-10 to 2026-09-24 · 6,929 trading days · USD

2 holdings.
Essentially all of it is one shared direction, led by QQQ, VOO.

QQQ carries 59% of the risk on its own.
Volatility 22% · worst fall on record 69%.
Risk 21% → 16% over the last year, mostly because the holdings themselves got quieter.

Descriptive. No forecast, no advice. Every figure above is measured over the window named at the top.
folionomiq.com

What this does not say

Describes how many independent directions the risk occupies. It is not a forecast of loss and does not predict a drawdown.
This is commonality, not a fault. A diversified equity book is MORE driven by one shared direction than a single stock is, because diversifying is what removes the idiosyncratic part.
Past window only. Says nothing about the next one.
Noisier than it looks: on sixteen years of a 60/40 book the 90% interval around this figure is about a Sharpe of 0.5 to 1.4. Read it as a band, not a score.
The worst fall *in this window*. A longer window would very likely contain a worse one.
Loading signs are fixed so the largest is positive; a negative loading means that holding moves against the others.
The ratio is the finding. A weight alone cannot say whether a position is large, because that depends on everything else held.
Today's weights are held fixed across both stretches. This is what the MARKET did to the book you hold now — not a history of the book, which this app does not store. Reading it as 'my trades caused this' would be exactly backwards.
The window ends at the youngest holding: one recently listed position shortens the history for all of them.

Your own portfolio

Same engine, same window rules, nothing saved on our side.

Open the app

Other examples

Is a 60/40 portfolio actually diversified?How much NVDA do I already own?How much risk does 5% bitcoin add?Do I need an S&P 500 fund if I already hold VWCE?Is a dividend portfolio diversified?

Measured 1999-03-10 to 2026-09-24 over 6,929 trading days, in USD, from yahoo prices. Descriptive: this page reports what these holdings have done and how their risk is built. It does not forecast returns or losses and it is not advice. How every figure is measured, window by window, with the limit of each printed beside it. If a figure here looks wrong, say so: [email protected]. Terms and privacy: /terms.