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CSCO vs VTI: Correlation

Measured on weekly returns over the past three years, Cisco (CSCO) and Vanguard Total Stock Market ETF (VTI) carry a correlation of 0.45, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.25
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
172.0
%² · weekly, annualized

How correlated are CSCO and VTI?

On 3 years of weekly data the CSCO/VTI correlation comes out at 0.45, moderate. The past 12 months show a weaker link (0.25) than the 3-year average (0.45). The 5-year figure is 0.50, and annualized covariance runs at 172.0 %².

Within CSCO's tracked universe of 30 assets, VTI comes in at #8 by 3-year correlation. The last year tells two different stories: CSCO led by 46.6 percentage points, +67.3% for CSCO against +20.7% for VTI. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.22 to 0.82. Risk is not evenly split, since CSCO carries 1.8 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

CSCO vs VTI: side by side

CSCO (Cisco)VTI (Vanguard Total Stock Market ETF)
1-year return+67.3%+20.7%
5-year return+118.1%+74.8%
Volatility (ann.)26.4%14.6%
Beta vs S&P 5000.841.01
Max drawdown (3Y)-20.2%-19.3%
Market cap$442.0B
P/E (trailing)33.8
Dividend yield1.48%1.06%
Expense ratio0.03%
Assets under management$2,290.0B
Sector / categoryInformation TechnologyETF · US Large Cap
Higher yield: CSCO 1.48% vs 1.06%Smaller drawdown: VTI -19.3% vs -20.2%Higher 5y return: CSCO +118.1% vs +74.8%

VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.

-1%0%+85%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CSCO · VTI

Year-by-year returns

YearCSCOVTI
2022-22.5%-19.5%
2023+9.3%+26.0%
2024+21.0%+23.8%
2025+33.5%+17.1%
2026+47.7%+14.2%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Fund exposure

A structural note: 0.57% of VTI is CSCO itself, so the fund partly moves with the stock by construction.

Are CSCO and VTI good diversifiers for each other?

Reasonably. At 0.45, CSCO and VTI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CSCO and VTI?

As of 2026-08-27, the correlation of weekly returns between CSCO and VTI is 0.45 over 3 years, 0.25 over 1 year and 0.50 over 5 years.

Is VTI a good diversifier for CSCO?

Reasonably. At 0.45, CSCO and VTI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.45 mean?

On the −1 to +1 scale, 0.45 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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CSCO vs VTI: 3-year weekly correlation 0.45CSCO vs VTI0.45

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Hubs: CSCO correlations · VTI correlations