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Compare two funds

How much of two funds is the same company, and how far each one fell.

How much of QQQ and QQQM is the same?

Every company we can see inside them is held by both, at the same weight to the decimal: one basket, not two.

Daily prices, 10 Mar 1999 to 6 Nov 2026. What happened, not a forecast.

Measure this pair

Measured over 27 years of daily prices: the same holdings, in the same proportions, under two names.

Measured on 2026-11-06

The companies both of them hold

CompanyShare of a half-and-half mixThrough
NVDA8.5%QQQ 4.3% · QQQM 4.3%
AAPL7.4%QQQ 3.7% · QQQM 3.7%
GOOGL6.1%QQQ 3.0% · QQQM 3.0%
MSFT6.0%QQQ 3.0% · QQQM 3.0%
MU4.8%QQQ 2.4% · QQQM 2.4%
AMZN4.5%QQQ 2.2% · QQQM 2.2%
AMD3.4%QQQ 1.7% · QQQM 1.7%
TSLA2.9%QQQ 1.5% · QQQM 1.5%

Overlap is counted company by company: the smaller of its two weights, added up. This measurement names the companies behind 99% of the money; the rest is out of its sight. The share above is what is shared within that part: it is a floor, never the total overlap.

The worst falls on record

HoldingWorst fallVolatility
QQQ83%27%
QQQM83%27%
Both, half and half83%27%

Measured on the same window for all three rows, so they can be read against each other. A fall is peak to trough on daily closes.

Where the risk sits in a half-and-half mix

HoldingMoneyRiskRatio
QQQ50%50%1.00
QQQM50%50%1.00
The reading, in full
PORTFOLIO: QQQ + QQQM
1999-03-10 to 2026-11-06 · 6,960 trading days · USD

2 holdings.
Together they swing like a single bet.

QQQ carries 50% of the risk on its own.
Volatility 27% · worst fall on record 83%.
Risk 23% → 21% 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.
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Questions people ask about this pair

Is QQQ the same fund as QQQM?
Every company we can see inside them is held by both, at the same weight to the decimal — one basket under two names. Their daily closing prices still differ a little: the two listings are quoted at different moments, in different volumes.
Do QQQ and QQQM fall together?
Measured from 1999-03-10 to 2026-11-06, the worst fall on record was 83% for QQQ and 83% for QQQM. Held half and half, the worst fall was 83%. Over the same window, the two swing like a single bet.
What changes if both are held?
A half-and-half mix had volatility 27% over this window, against 27% for QQQ and 27% for QQQM, and its worst fall was 83%. Inside that mix, QQQ carries 50% of the risk for half of the money.
How are these figures measured?
From daily closing prices supplied by Yahoo Finance, over 1999-03-10 to 2026-11-06 — 6,960 trading days, in USD — by the same engine that serves the app. Every figure describes what has already happened: nothing here forecasts returns or losses, and nothing here is advice.

What this does not say

Measure it with what you actually hold

Change the split, add the rest of your portfolio, see what the pair does inside it: same engine, nothing saved on our side.

Measure this pair

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Build a portfolio with these twoBoth on the measure page, half and half: change them into yours.Another pairEvery comparison measured here.

Measured 1999-03-10 to 2026-11-06 over 6,960 trading days, in USD, from Yahoo Finance prices. Descriptive: this page reports what these two funds have done and how much of them is the same holding. It does not forecast returns or losses, it does not say which to hold, and it is not advice. How every figure is measured. Terms and privacy: /terms. If a figure looks wrong: [email protected].

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A non-commercial project · No advice, no price predictions · [email protected]