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FNDA vs. PRF
Performance
Return for Risk
Drawdowns
Volatility
Dividends

FNDA vs. PRF

Last updated Jun 14, 2026

FNDA (Schwab Fundamental US Small Co. Index ETF) and PRF (Invesco RAFI US 1000 ETF) are both exchange-traded funds - FNDA is a Small Cap Blend Equities fund tracking the Russell RAFI Small Company US, while PRF is a Large Cap Value Equities fund tracking the RAFI Fundamental Select US 1000 Index. Both are passively managed. Over the past 10 years, FNDA returned 11.35%/yr vs 13.91%/yr for PRF. Their correlation of 0.91 suggests significant overlap in exposure. FNDA charges 0.25%/yr vs 0.34%/yr for PRF.

Performance

FNDA vs. PRF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Fundamental US Small Co. Index ETF (FNDA) and Invesco RAFI US 1000 ETF (PRF). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, FNDA achieves a 18.31% return, which is significantly higher than PRF's 15.65% return. Over the past 10 years, FNDA has underperformed PRF with an annualized return of 11.35%, while PRF has yielded a comparatively higher 13.91% annualized return.

FNDA

1D
0.95%
1M
6.65%
YTD
18.31%
6M
15.70%
1Y
35.41%
3Y*
15.56%
5Y*
7.49%
10Y*
11.35%

PRF

1D
0.88%
1M
3.48%
YTD
15.65%
6M
15.18%
1Y
33.40%
3Y*
20.72%
5Y*
12.67%
10Y*
13.91%
*Multi-year figures are annualized to reflect compound growth (CAGR)

FNDA vs. PRF - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
FNDA
Schwab Fundamental US Small Co. Index ETF		18.31%7.44%9.00%20.29%-14.83%31.12%8.44%24.34%-12.12%12.68%
PRF
Invesco RAFI US 1000 ETF		15.65%18.33%16.73%15.72%-7.79%31.12%7.78%27.42%-8.71%16.01%

Correlation

The correlation between FNDA and PRF is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.91

Correlation (3Y)
Calculated over the trailing 3-year period

0.90

Correlation (5Y)
Calculated over the trailing 5-year period

0.92

Correlation (10Y)
Calculated over the trailing 10-year period

0.91

Correlation (All Time)
Calculated using the full available price history since Aug 15, 2013

0.91

The correlation between FNDA and PRF has been stable across timeframes, ranging from 0.90 to 0.92 - a consistent structural relationship.

FNDA vs. PRF - Sectors Allocation Comparison

Sectors
FNDA
PRF

Industrials

19.3%
8.9%

Technology

16.2%
23.1%

Financial Services

14.1%
15.4%

Consumer Cyclical

12.2%
8.7%

Real Estate

9.8%
2.4%

Healthcare

7.1%
12.0%

Energy

5.5%
7.9%

Basic Materials

5.2%
3.3%

Communication Services

4.0%
9.4%

Consumer Defensive

3.9%
6.0%

Utilities

2.7%
3.0%

Industrials

FNDA
19.3%
PRF
8.9%

Technology

FNDA
16.2%
PRF
23.1%

Financial Services

FNDA
14.1%
PRF
15.4%

Consumer Cyclical

FNDA
12.2%
PRF
8.7%

Real Estate

FNDA
9.8%
PRF
2.4%

Healthcare

FNDA
7.1%
PRF
12.0%

Energy

FNDA
5.5%
PRF
7.9%

Basic Materials

FNDA
5.2%
PRF
3.3%

Communication Services

FNDA
4.0%
PRF
9.4%

Consumer Defensive

FNDA
3.9%
PRF
6.0%

Utilities

FNDA
2.7%
PRF
3.0%

Compare stocks, funds, or ETFs

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Schwab Fundamental US Small Co. Index ETF

Invesco RAFI US 1000 ETF

Often compared with FNDA:
FNDA vs. SCHAFNDA vs. FNDCFNDA vs. VBKFNDA vs. IFRAFNDA vs. SPYFNDA vs. IGFFNDA vs. LRGF
Often compared with PRF:
PRF vs. SPYPRF vs. VOOPRF vs. RSPPRF vs. PFMPRF vs. VTVPRF vs. SCHDPRF vs. PXF

Return for Risk

FNDA vs. PRF — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
FNDA
FNDA Risk / Return Rank: 7070
Overall Rank
FNDA Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
FNDA Sortino Ratio Rank: 6969
Sortino Ratio Rank
FNDA Omega Ratio Rank: 6262
Omega Ratio Rank
FNDA Calmar Ratio Rank: 7878
Calmar Ratio Rank
FNDA Martin Ratio Rank: 7171
Martin Ratio Rank
PRF
PRF Risk / Return Rank: 9292
Overall Rank
PRF Sharpe Ratio Rank: 9393
Sharpe Ratio Rank
PRF Sortino Ratio Rank: 9393
Sortino Ratio Rank
PRF Omega Ratio Rank: 9292
Omega Ratio Rank
PRF Calmar Ratio Rank: 9090
Calmar Ratio Rank
PRF Martin Ratio Rank: 9292
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FNDA vs. PRF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Fundamental US Small Co. Index ETF (FNDA) and Invesco RAFI US 1000 ETF (PRF). 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.

FNDAPRFDifference
Sharpe ratioReturn per unit of total volatility
1.91
2.95

-1.05

Sortino ratioReturn per unit of downside risk
2.73
4.07

-1.34

Omega ratioGain probability vs. loss probability

1.33

1.54

-0.21

Calmar ratioReturn relative to maximum drawdown

3.54

4.90

-1.36

Martin ratioReturn relative to average drawdown

11.47

20.07

-8.59

FNDA vs. PRF - Sharpe Ratio Comparison

The current FNDA Sharpe Ratio is 1.91, which is lower than the PRF Sharpe Ratio of 2.95. The chart below compares the historical Sharpe Ratios of FNDA and PRF, 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

FNDA vs. PRF - Drawdown Comparison

The maximum FNDA drawdown since its inception was -44.64%, smaller than the maximum PRF drawdown of -60.35%. Use the drawdown chart below to compare losses from any high point for FNDA and PRF.

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Drawdown Indicators

FNDAPRFDifference

Max Drawdown

Largest peak-to-trough decline

-44.64%

-60.35%

+15.71%

Max Drawdown (1Y)

Largest decline over 1 year

-9.36%

-6.59%

-2.77%

Max Drawdown (3Y)

Largest decline over 3 years

-25.92%

-15.82%

-10.10%

Max Drawdown (5Y)

Largest decline over 5 years

-25.92%

-19.72%

-6.20%

Max Drawdown (10Y)

Largest decline over 10 years

-44.64%

-38.16%

-6.48%

Current Drawdown

Current decline from peak

0.00%

-0.00%

0.00%

Average Drawdown

Average peak-to-trough decline

-6.68%

-6.92%

+0.24%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.89%

1.61%

+1.28%

Volatility

FNDA vs. PRF - Volatility Comparison

Schwab Fundamental US Small Co. Index ETF (FNDA) has a higher volatility of 5.14% compared to Invesco RAFI US 1000 ETF (PRF) at 3.60%. This indicates that FNDA's price experiences larger fluctuations and is considered to be riskier than PRF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

FNDAPRFDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.14%

3.60%

+1.54%

Volatility (6M)

Calculated over the trailing 6-month period

12.13%

8.17%

+3.96%

Volatility (1Y)

Calculated over the trailing 1-year period

17.40%

10.95%

+6.45%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.93%

15.23%

+5.70%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

22.39%

17.68%

+4.71%

FNDA vs. PRF - Expense Ratio Comparison

FNDA has a 0.25% expense ratio, which is lower than PRF's 0.34% expense ratio.

Dividends

FNDA vs. PRF - Dividend Comparison

FNDA's dividend yield for the trailing twelve months is around 1.06%, less than PRF's 1.37% yield.

PositionTTM20252024202320222021202020192018201720162015
FNDA
Schwab Fundamental US Small Co. Index ETF		1.06%1.22%1.53%1.37%1.38%1.15%1.31%1.38%1.64%1.30%1.18%1.33%
PRF
Invesco RAFI US 1000 ETF		1.37%1.59%1.78%1.84%2.01%1.58%1.97%1.99%2.25%1.58%2.17%2.25%

Frequently Asked Questions

With a correlation of 0.91, FNDA and PRF move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

FNDA has higher volatility (5.14%) compared to PRF (3.60%). In terms of maximum drawdown, FNDA dropped -44.64% vs PRF's -60.35%.

On 10-year performance, PRF leads with 13.91% vs 11.35% for FNDA. On fees, FNDA is cheaper at 0.25% per year. On volatility, PRF has been the lower-risk option at 3.60%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, PRF has performed better with a 13.91% return vs 11.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

FNDA is cheaper with a 0.25% expense ratio, compared with 0.34% for PRF.

PRF has the higher dividend yield at 1.37%, compared with 1.06% for FNDA.

FNDA is categorized as Small Cap Blend Equities, while PRF is Large Cap Value Equities. FNDA tracks Russell RAFI Small Company US, while PRF tracks RAFI Fundamental Select US 1000 Index. They also come from different issuers: Charles Schwab and Invesco. Their fees differ too: 0.25% for FNDA and 0.34% for PRF.

PRF currently has the higher Sharpe Ratio (2.95 vs 1.91), 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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