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STLG vs. PRFHX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

STLG vs. PRFHX

Last updated Jun 23, 2026

STLG (iShares Factors US Growth Style ETF) and PRFHX (T. Rowe Price Tax Free High Yield Fund) are both funds - STLG is a Large Cap Growth Equities fund tracking the Russell US Large Cap Factors Growth Style Index, while PRFHX is a High Yield Muni fund managed by T. Rowe Price. Over the past 5 years, STLG returned 19.14%/yr vs 1.77%/yr for PRFHX. At a 0.10 correlation, their price movements are largely independent. STLG charges 0.25%/yr vs 0.63%/yr for PRFHX.

Performance

STLG vs. PRFHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Factors US Growth Style ETF (STLG) and T. Rowe Price Tax Free High Yield Fund (PRFHX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, STLG achieves a 19.46% return, which is significantly higher than PRFHX's 3.26% return.

STLG

1D
-0.10%
1M
3.81%
YTD
19.46%
6M
18.14%
1Y
42.17%
3Y*
32.04%
5Y*
19.14%
10Y*
—

PRFHX

1D
0.09%
1M
1.88%
YTD
3.26%
6M
4.25%
1Y
10.90%
3Y*
6.43%
5Y*
1.77%
10Y*
2.98%
*Multi-year figures are annualized to reflect compound growth (CAGR)

STLG vs. PRFHX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020
STLG
iShares Factors US Growth Style ETF		19.46%21.49%37.42%42.86%-26.75%27.99%26.51%
PRFHX
T. Rowe Price Tax Free High Yield Fund		3.26%5.53%7.00%7.65%-14.41%6.09%2.65%

Correlation

The correlation between STLG and PRFHX is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.11

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

0.09

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

0.10

Correlation (All Time)
Calculated using the full available price history since Jan 16, 2020

0.10

Compare stocks, funds, or ETFs

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iShares Factors US Growth Style ETF

T. Rowe Price Tax Free High Yield Fund

Often compared with STLG:
STLG vs. USXFSTLG vs. ELFNXSTLG vs. VRAISTLG vs. GLOFSTLG vs. PRJPXSTLG vs. QINTSTLG vs. TTIIX
Often compared with PRFHX:
PRFHX vs. PRXCXPRFHX vs. FTABXPRFHX vs. FXIEXPRFHX vs. AMHIXPRFHX vs. VTEBPRFHX vs. PIMIXPRFHX vs. VCADX

Return for Risk

STLG vs. PRFHX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
STLG
STLG Risk / Return Rank: 6767
Overall Rank
STLG Sharpe Ratio Rank: 7272
Sharpe Ratio Rank
STLG Sortino Ratio Rank: 6565
Sortino Ratio Rank
STLG Omega Ratio Rank: 6565
Omega Ratio Rank
STLG Calmar Ratio Rank: 6464
Calmar Ratio Rank
STLG Martin Ratio Rank: 6868
Martin Ratio Rank
PRFHX
PRFHX Risk / Return Rank: 9393
Overall Rank
PRFHX Sharpe Ratio Rank: 9797
Sharpe Ratio Rank
PRFHX Sortino Ratio Rank: 9797
Sortino Ratio Rank
PRFHX Omega Ratio Rank: 9696
Omega Ratio Rank
PRFHX Calmar Ratio Rank: 8888
Calmar Ratio Rank
PRFHX Martin Ratio Rank: 8787
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.

STLG vs. PRFHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Factors US Growth Style ETF (STLG) and T. Rowe Price Tax Free High Yield Fund (PRFHX). 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.

STLGPRFHXDifference
Sharpe ratioReturn per unit of total volatility
2.23
3.40

-1.17

Sortino ratioReturn per unit of downside risk
2.88
5.53

-2.65

Omega ratioGain probability vs. loss probability

1.38

1.82

-0.44

Calmar ratioReturn relative to maximum drawdown

3.10

4.09

-0.99

Martin ratioReturn relative to average drawdown

12.06

15.18

-3.12

STLG vs. PRFHX - Sharpe Ratio Comparison

The current STLG Sharpe Ratio is 2.23, which is lower than the PRFHX Sharpe Ratio of 3.40. The chart below compares the historical Sharpe Ratios of STLG and PRFHX, 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

STLG vs. PRFHX - Drawdown Comparison

The maximum STLG drawdown since its inception was -31.34%, which is greater than PRFHX's maximum drawdown of -24.76%. Use the drawdown chart below to compare losses from any high point for STLG and PRFHX.

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Drawdown Indicators

STLGPRFHXDifference

Max Drawdown

Largest peak-to-trough decline

-31.34%

-24.76%

-6.58%

Max Drawdown (1Y)

Largest decline over 1 year

-13.69%

-2.75%

-10.94%

Max Drawdown (3Y)

Largest decline over 3 years

-23.73%

-6.91%

-16.82%

Max Drawdown (5Y)

Largest decline over 5 years

-30.61%

-18.81%

-11.80%

Max Drawdown (10Y)

Largest decline over 10 years

—

-18.81%

—

Current Drawdown

Current decline from peak

-2.23%

0.00%

-2.23%

Average Drawdown

Average peak-to-trough decline

-7.33%

-2.77%

-4.56%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.51%

0.73%

+2.78%

Volatility

STLG vs. PRFHX - Volatility Comparison

iShares Factors US Growth Style ETF (STLG) has a higher volatility of 8.09% compared to T. Rowe Price Tax Free High Yield Fund (PRFHX) at 0.78%. This indicates that STLG's price experiences larger fluctuations and is considered to be riskier than PRFHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

STLGPRFHXDifference

Volatility (1M)

Calculated over the trailing 1-month period

8.09%

0.78%

+7.31%

Volatility (6M)

Calculated over the trailing 6-month period

15.32%

2.33%

+12.99%

Volatility (1Y)

Calculated over the trailing 1-year period

19.04%

3.31%

+15.73%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

22.18%

4.89%

+17.29%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

23.96%

4.64%

+19.32%

STLG vs. PRFHX - Expense Ratio Comparison

STLG has a 0.25% expense ratio, which is lower than PRFHX's 0.63% expense ratio.

Dividends

STLG vs. PRFHX - Dividend Comparison

STLG's dividend yield for the trailing twelve months is around 0.27%, less than PRFHX's 5.46% yield.

PositionTTM20252024202320222021202020192018201720162015
PRFHX
T. Rowe Price Tax Free High Yield Fund		5.46%5.46%4.75%4.19%2.81%3.01%3.47%3.52%3.71%3.64%3.88%4.02%
STLG
iShares Factors US Growth Style ETF		0.27%0.31%0.38%0.75%1.85%0.67%0.75%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

STLG and PRFHX have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

STLG has higher volatility (8.09%) compared to PRFHX (0.78%). In terms of maximum drawdown, STLG dropped -31.34% vs PRFHX's -24.76%.

PRFHX currently has the higher Sharpe Ratio (3.40 vs 2.23), 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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