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FDN vs. MFUS
Performance
Return for Risk
Drawdowns
Volatility
Dividends

FDN vs. MFUS

Last updated Aug 4, 2026
Documentation

FDN (First Trust Dow Jones Internet Index Fund) and MFUS (PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF) are both Large Cap Growth Equities funds - FDN tracks the Dow Jones Internet Composite Index while MFUS tracks the RAFI Dynamic Multi-Factor U.S. Index​. Both are passively managed. Over the past 5 years, FDN returned 3.08%/yr vs 13.05%/yr for MFUS. Their 0.63 correlation means they have sometimes moved together and sometimes differently. FDN charges 0.49%/yr vs 0.30%/yr for MFUS.

Performance

FDN vs. MFUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Dow Jones Internet Index Fund (FDN) and PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, FDN achieves a 5.08% return, which is significantly lower than MFUS's 16.56% return.

FDN

1D
2.93%
1M
5.92%
6M
7.93%
YTD
5.08%
1Y
6.84%
3Y*
19.15%
5Y*
3.08%
10Y*
13.65%
ALL TIME*
13.94%

MFUS

1D
0.44%
1M
-0.34%
6M
10.78%
YTD
16.56%
1Y
25.93%
3Y*
19.97%
5Y*
13.05%
10Y*
—
ALL TIME*
13.41%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

FDN

First Trust Dow Jones Internet Index Fund
$122.99M$91.40M$110.17M

MFUS

PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
$1.69M$1.08M$961.02K

FDN vs. MFUS - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
FDN
First Trust Dow Jones Internet Index Fund		5.08%10.70%30.35%51.48%-45.54%6.55%52.55%19.25%6.17%10.14%
MFUS
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF		16.56%16.02%20.17%12.19%-5.82%24.10%10.64%26.17%-7.30%11.20%

Correlation

The correlation between FDN and MFUS is 0.44, which is low. Their historical price movements had little consistent relationship.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.44

Correlation (3Y)
Balances recent behavior with more history.

0.60

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.63

Correlation (All Time)
Calculated using the full available price history since Sep 6, 2017

0.63

The correlation between FDN and MFUS shifts across timeframes, from 0.44 (1 year) to 0.63 (all time), reflecting how their relationship changes across market environments.

FDN vs. MFUS - Sectors Allocation Comparison

Sectors
FDN
MFUS

Technology

45.2%
25.8%

Consumer Cyclical

25.5%
9.3%

Communication Services

25.2%
4.6%

Financial Services

1.9%
11.3%

Healthcare

1.1%
14.7%

Industrials

1.0%
12.5%

Basic Materials

-

2.5%

Consumer Defensive

-

9.3%

Energy

-

6.6%

Real Estate

-

2.0%

Utilities

-

1.3%

Technology

FDN
45.2%
MFUS
25.8%

Consumer Cyclical

FDN
25.5%
MFUS
9.3%

Communication Services

FDN
25.2%
MFUS
4.6%

Financial Services

FDN
1.9%
MFUS
11.3%

Healthcare

FDN
1.1%
MFUS
14.7%

Industrials

FDN
1.0%
MFUS
12.5%

Basic Materials

FDN

-

MFUS
2.5%

Consumer Defensive

FDN

-

MFUS
9.3%

Energy

FDN

-

MFUS
6.6%

Real Estate

FDN

-

MFUS
2.0%

Utilities

FDN

-

MFUS
1.3%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

First Trust Dow Jones Internet Index Fund

PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF

Often compared with FDN:
FDN vs. QQQFDN vs. FDNIFDN vs. VGTFDN vs. WEBLFDN vs. KWEBFDN vs. PNQIFDN vs. SKYY
Often compared with MFUS:
MFUS vs. RWLMFUS vs. FNDXMFUS vs. VOOVMFUS vs. AVUSMFUS vs. SPYMFUS vs. AVLVMFUS vs. DGRW

Return for Risk

FDN vs. MFUS — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
FDN
FDN Risk / Return Rank: 1717
Overall Rank
FDN Sharpe Ratio Rank: 1818
Sharpe Ratio Rank
FDN Sortino Ratio Rank: 1818
Sortino Ratio Rank
FDN Omega Ratio Rank: 1818
Omega Ratio Rank
FDN Calmar Ratio Rank: 1616
Calmar Ratio Rank
FDN Martin Ratio Rank: 1616
Martin Ratio Rank
MFUS
MFUS Risk / Return Rank: 9090
Overall Rank
MFUS Sharpe Ratio Rank: 9090
Sharpe Ratio Rank
MFUS Sortino Ratio Rank: 9090
Sortino Ratio Rank
MFUS Omega Ratio Rank: 8989
Omega Ratio Rank
MFUS Calmar Ratio Rank: 9191
Calmar Ratio Rank
MFUS Martin Ratio Rank: 9191
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FDN vs. MFUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Dow Jones Internet Index Fund (FDN) and PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

FDNMFUSDifference
Sharpe ratioReturn per unit of total volatility
0.34
2.29

-1.95

Sortino ratioReturn per unit of downside risk
0.59
3.28

-2.68

Omega ratioGain probability vs. loss probability

1.07

1.41

-0.34

Calmar ratioReturn relative to maximum drawdown

0.32

4.08

-3.76

Martin ratioReturn relative to average drawdown

0.77

15.40

-14.63

FDN vs. MFUS - Sharpe Ratio Comparison

The current FDN Sharpe Ratio is 0.34, which is lower than the MFUS Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of FDN and MFUS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

FDN vs. MFUS - Drawdown Comparison

The maximum FDN drawdown since its inception was -61.55%, which is greater than MFUS's maximum drawdown of -35.21%. Use the drawdown chart below to compare losses from any high point for FDN and MFUS.

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Drawdown Indicators

FDNMFUSDifference

Max Drawdown

Largest peak-to-trough decline

-61.55%

-35.21%

-26.34%

Max Drawdown (1Y)

Largest decline over 1 year

-21.31%

-6.39%

-14.92%

Max Drawdown (3Y)

Largest decline over 3 years

-24.98%

-15.39%

-9.59%

Max Drawdown (5Y)

Largest decline over 5 years

-53.97%

-18.22%

-35.75%

Max Drawdown (10Y)

Largest decline over 10 years

-53.97%

—

—

Current Drawdown

Current decline from peak

-2.38%

-2.18%

-0.20%

Average Drawdown

Average peak-to-trough decline

-11.79%

-3.95%

-7.84%

Ulcer Index

Depth and duration of drawdowns from previous peaks

8.91%

1.69%

+7.22%

Volatility

FDN vs. MFUS - Volatility Comparison

First Trust Dow Jones Internet Index Fund (FDN) has a higher volatility of 6.44% compared to PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS) at 2.92%. This indicates that FDN's price experiences larger fluctuations and is considered to be riskier than MFUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

FDNMFUSDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.44%

2.92%

+3.52%

Volatility (6M)

Calculated over the trailing 6-month period

16.34%

9.12%

+7.22%

Volatility (1Y)

Calculated over the trailing 1-year period

20.36%

11.41%

+8.95%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

27.46%

15.02%

+12.44%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

25.67%

17.28%

+8.39%

FDN vs. MFUS - Expense Ratio Comparison

FDN has a 0.49% expense ratio, which is higher than MFUS's 0.30% expense ratio.

Dividends

FDN vs. MFUS - Dividend Comparison

FDN has not paid dividends to shareholders, while MFUS's dividend yield for the trailing twelve months is around 1.37%.

PositionTTM202520242023202220212020201920182017
FDN
First Trust Dow Jones Internet Index Fund		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
MFUS
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF		1.37%1.54%1.45%1.96%2.07%1.35%1.72%1.89%1.69%1.01%

Frequently Asked Questions

FDN and MFUS have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

FDN has higher volatility (6.44%) compared to MFUS (2.92%). In terms of maximum drawdown, FDN dropped -61.55% vs MFUS's -35.21%.

On 5-year performance, MFUS leads with 13.05% vs 3.08% for FDN. On fees, MFUS is cheaper at 0.30% per year. On volatility, MFUS has been the lower-risk option at 2.92%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 5-year period, MFUS has performed better with a 13.05% return vs 3.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

MFUS is cheaper with a 0.30% expense ratio, compared with 0.49% for FDN.

MFUS has the higher dividend yield at 1.37%, compared with 0.00% for FDN.

FDN tracks Dow Jones Internet Composite Index, while MFUS tracks RAFI Dynamic Multi-Factor U.S. Index​. They also come from different issuers: First Trust and PIMCO. Their fees differ too: 0.49% for FDN and 0.30% for MFUS.

MFUS currently has the higher Sharpe Ratio (2.29 vs 0.34), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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