FNSTX vs. OAYLX

Last updated Aug 1, 2026

FNSTX (Fidelity Infrastructure Fund) and OAYLX (Oakmark Select Fund Advisor Class) are both mutual funds - FNSTX is a Infrastructure Equities fund managed by Fidelity, while OAYLX is a Large Cap Blend Equities fund actively managed by Oakmark. Over the past 5 years, FNSTX returned 9.84%/yr vs 11.00%/yr for OAYLX. Their 0.56 correlation means they have sometimes moved together and sometimes differently. FNSTX charges 1.00%/yr vs 0.87%/yr for OAYLX.

Performance

FNSTX vs. OAYLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Infrastructure Fund (FNSTX) and Oakmark Select Fund Advisor Class (OAYLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FNSTX achieves a 5.53% return, which is significantly lower than OAYLX's 9.98% return.

FNSTX

• 1D: 2.14%
• 1M: -3.30%
• 6M: 2.35%
• YTD: 5.53%
• 1Y: 12.66%
• 3Y*: 15.95%
• 5Y*: 9.84%
• 10Y*: —
• ALL TIME*: 10.63%

OAYLX

• 1D: -1.86%
• 1M: 5.30%
• 6M: 10.68%
• YTD: 9.98%
• 1Y: 24.75%
• 3Y*: 15.63%
• 5Y*: 11.00%
• 10Y*: —
• ALL TIME*: 10.16%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FNSTX Fidelity Infrastructure Fund	$0.00	$0.00	$0.00
OAYLX Oakmark Select Fund Advisor Class	$0.00	$0.00	$0.00

FNSTX vs. OAYLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FNSTX Fidelity Infrastructure Fund	5.53%	27.42%	14.43%	8.44%	-7.59%	7.58%	12.80%	5.49%
OAYLX Oakmark Select Fund Advisor Class	9.98%	14.42%	14.30%	43.21%	-22.66%	34.60%	10.90%	4.58%

Correlation

The correlation between FNSTX and OAYLX is 0.00, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.00
Correlation (3Y) Balances recent behavior with more history.	0.34
Correlation (5Y) Shows whether the relationship held over a longer period.	0.52
Correlation (All Time) Calculated using the full available price history since Nov 5, 2019	0.56

Over the past year, the correlation between FNSTX and OAYLX has dropped to 0.00 - well below their long-term average of 0.56, suggesting their price drivers have been diverging.

Return for Risk

FNSTX vs. OAYLX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FNSTX

FNSTX Risk / Return Rank: 24
FNSTX Sharpe Ratio Rank: 21
FNSTX Sortino Ratio Rank: 20
FNSTX Omega Ratio Rank: 21
FNSTX Calmar Ratio Rank: 33
FNSTX Martin Ratio Rank: 28

OAYLX

OAYLX Risk / Return Rank: 41
OAYLX Sharpe Ratio Rank: 44
OAYLX Sortino Ratio Rank: 48
OAYLX Omega Ratio Rank: 43
OAYLX Calmar Ratio Rank: 39
OAYLX Martin Ratio Rank: 29

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.

FNSTX vs. OAYLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Infrastructure Fund (FNSTX) and Oakmark Select Fund Advisor Class (OAYLX). 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.

	FNSTX	OAYLX	Difference
Sharpe ratio: Return per unit of total volatility	0.73	1.32	-0.60
Sortino ratio: Return per unit of downside risk	1.07	1.98	-0.91
Omega ratio: Gain probability vs. loss probability	1.14	1.24	-0.11
Calmar ratio: Return relative to maximum drawdown	1.39	1.68	-0.29
Martin ratio: Return relative to average drawdown	4.03	4.48	-0.45

FNSTX vs. OAYLX - Sharpe Ratio Comparison

The current FNSTX Sharpe Ratio is 0.73, which is lower than the OAYLX Sharpe Ratio of 1.32. The chart below compares the historical Sharpe Ratios of FNSTX and OAYLX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FNSTX vs. OAYLX - Drawdown Comparison

The maximum FNSTX drawdown since its inception was -35.82%, smaller than the maximum OAYLX drawdown of -47.35%. Use the drawdown chart below to compare losses from any high point for FNSTX and OAYLX.

Drawdown Indicators

	FNSTX	OAYLX	Difference
Max Drawdown Largest peak-to-trough decline	-35.82%	-47.35%	+11.53%
Max Drawdown (1Y) Largest decline over 1 year	-8.81%	-12.47%	+3.66%
Max Drawdown (3Y) Largest decline over 3 years	-10.94%	-18.74%	+7.80%
Max Drawdown (5Y) Largest decline over 5 years	-21.97%	-27.82%	+5.85%
Current Drawdown Current decline from peak	-6.86%	-1.86%	-5.00%
Average Drawdown Average peak-to-trough decline	-5.14%	-9.56%	+4.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.03%	4.69%	-1.66%

Volatility

FNSTX vs. OAYLX - Volatility Comparison

The current volatility for Fidelity Infrastructure Fund (FNSTX) is 5.37%, while Oakmark Select Fund Advisor Class (OAYLX) has a volatility of 6.17%. This indicates that FNSTX experiences smaller price fluctuations and is considered to be less risky than OAYLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNSTX	OAYLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.37%	6.17%	-0.80%
Volatility (6M) Calculated over the trailing 6-month period	13.52%	12.39%	+1.13%
Volatility (1Y) Calculated over the trailing 1-year period	16.87%	15.84%	+1.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.35%	19.68%	-4.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.76%	21.80%	-3.04%

FNSTX vs. OAYLX - Expense Ratio Comparison

FNSTX has a 1.00% expense ratio, which is higher than OAYLX's 0.87% expense ratio.

Dividends

FNSTX vs. OAYLX - Dividend Comparison

FNSTX's dividend yield for the trailing twelve months is around 3.79%, more than OAYLX's 0.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FNSTX Fidelity Infrastructure Fund	3.79%	4.16%	1.59%	1.85%	1.35%	0.63%	0.80%	0.36%	0.00%	0.00%
OAYLX Oakmark Select Fund Advisor Class	0.48%	0.52%	0.44%	0.62%	0.46%	0.70%	0.25%	0.81%	5.29%	0.44%

Frequently Asked Questions

Can I hold both FNSTX and OAYLX in my portfolio?

FNSTX and OAYLX have a correlation of 0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FNSTX or OAYLX?

OAYLX has higher volatility (6.17%) compared to FNSTX (5.37%). In terms of maximum drawdown, FNSTX dropped -35.82% vs OAYLX's -47.35%.

Which has better risk-adjusted returns?

OAYLX currently has the higher Sharpe Ratio (1.32 vs 0.73), 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.