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VTI vs ITOT overlap: how much of them is the same

Measured over 22 years of daily prices: these two behave as one holding written twice.

Measured on 2026-09-23

At least 31% of the money lands in the same companies, and essentially all of the movement travels in one shared direction.

The companies both of them hold

CompanyShare of a half-and-half mixThrough
NVDA6.8%ITOT 3.6% · VTI 3.2%
AAPL6.3%VTI 3.1% · ITOT 3.1%
GOOGL5.0%VTI 2.6% · ITOT 2.4%
MSFT4.9%ITOT 2.5% · VTI 2.4%
AMZN3.5%VTI 1.8% · ITOT 1.7%
AVGO2.5%VTI 1.3% · ITOT 1.2%
META1.7%VTI 0.8% · ITOT 0.8%
MU0.7%ITOT 0.7% — held through one of the two only
TSLA0.7%ITOT 0.7% — held through one of the two only
LLY0.7%VTI 0.7% — held through one of the two only
JPM0.7%VTI 0.7% — held through one of the two only

A fund publishes only its largest positions, so this measurement reaches 33% of the money. 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
VTI55%19%
ITOT55%19%
Both, half and half55%19%

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
VTI50%50%1.00
ITOT50%50%1.00

The reading, in full

PORTFOLIO: VTI + ITOT
2004-01-23 to 2026-09-23 · 5,702 trading days · USD

2 holdings.
Essentially all of it is one shared direction, led by VTI, ITOT.

VTI carries 50% of the risk on its own.
Volatility 19% · worst fall on record 55%.
Risk 19% → 13% 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

Do VTI and ITOT hold the same companies?
At least 31% of a half-and-half mix sits in companies held through both, led by NVDA, AAPL, GOOGL. Funds publish only their largest positions, so this measurement reaches 33% of the money: the real overlap is at least this and cannot be smaller.
Do VTI and ITOT fall together?
Measured from 2004-01-23 to 2026-09-23, the worst fall on record was 55% for VTI and 55% for ITOT. Held half and half, the worst fall was 55%. Over the same window, essentially all of the movement travels in one shared direction.
What changes if both are held?
A half-and-half mix had volatility 19% over this window, against 19% for VTI and 19% for ITOT, and its worst fall was 55%. Inside that mix, VTI carries 50% of the risk for half of the money.
How are these figures measured?
From daily closing prices supplied by Yahoo Finance, over 2004-01-23 to 2026-09-23 — 5,702 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 pairOpen the app

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Measured 2004-01-23 to 2026-09-23 over 5,702 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].