OAYMX vs. FLCOX

Last updated Aug 1, 2026

OAYMX (Oakmark Fund Advisor Class) and FLCOX (Fidelity Large Cap Value Index Fund) are both Large Cap Value Equities funds. OAYMX is actively managed, while FLCOX is passively managed. Over the past 5 years, OAYMX returned 11.31%/yr vs 11.70%/yr for FLCOX. Their correlation of 0.92 means they have usually moved in the same direction. OAYMX charges 0.70%/yr vs 0.04%/yr for FLCOX.

Performance

OAYMX vs. FLCOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Fund Advisor Class (OAYMX) and Fidelity Large Cap Value Index Fund (FLCOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OAYMX achieves a 6.48% return, which is significantly lower than FLCOX's 20.05% return.

OAYMX

• 1D: -0.32%
• 1M: 3.40%
• 6M: 6.43%
• YTD: 6.48%
• 1Y: 17.04%
• 3Y*: 14.48%
• 5Y*: 11.31%
• 10Y*: —
• ALL TIME*: 13.35%

FLCOX

• 1D: 0.49%
• 1M: 1.47%
• 6M: 14.83%
• YTD: 20.05%
• 1Y: 32.24%
• 3Y*: 17.69%
• 5Y*: 11.70%
• 10Y*: —
• ALL TIME*: 10.99%

*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)
FLCOX Fidelity Large Cap Value Index Fund	$0.00	$0.00	$0.00
OAYMX Oakmark Fund Advisor Class	$0.00	$0.00	$0.00

OAYMX vs. FLCOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OAYMX Oakmark Fund Advisor Class	6.48%	14.35%	16.24%	31.18%	-13.19%	34.49%	13.02%	27.25%	-12.66%	21.28%
FLCOX Fidelity Large Cap Value Index Fund	20.05%	15.90%	14.38%	11.48%	-7.57%	25.09%	2.87%	26.54%	-8.38%	10.90%

Correlation

The correlation between OAYMX and FLCOX is 0.73, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.73
Correlation (3Y) Balances recent behavior with more history.	0.87
Correlation (5Y) Shows whether the relationship held over a longer period.	0.90
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.92

The correlation between OAYMX and FLCOX shifts across timeframes, from 0.73 (1 year) to 0.92 (all time), reflecting how their relationship changes across market environments.

Return for Risk

OAYMX vs. FLCOX — Risk / Return Rank

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

OAYMX

OAYMX Risk / Return Rank: 35
OAYMX Sharpe Ratio Rank: 29
OAYMX Sortino Ratio Rank: 31
OAYMX Omega Ratio Rank: 28
OAYMX Calmar Ratio Rank: 54
OAYMX Martin Ratio Rank: 33

FLCOX

FLCOX Risk / Return Rank: 94
FLCOX Sharpe Ratio Rank: 95
FLCOX Sortino Ratio Rank: 93
FLCOX Omega Ratio Rank: 89
FLCOX Calmar Ratio Rank: 96
FLCOX Martin Ratio Rank: 97

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.

OAYMX vs. FLCOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Fund Advisor Class (OAYMX) and Fidelity Large Cap Value Index Fund (FLCOX). 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.

	OAYMX	FLCOX	Difference
Sharpe ratio: Return per unit of total volatility	1.01	2.59	-1.58
Sortino ratio: Return per unit of downside risk	1.54	3.65	-2.11
Omega ratio: Gain probability vs. loss probability	1.18	1.46	-0.28
Calmar ratio: Return relative to maximum drawdown	1.97	4.35	-2.38
Martin ratio: Return relative to average drawdown	4.92	18.62	-13.71

OAYMX vs. FLCOX - Sharpe Ratio Comparison

The current OAYMX Sharpe Ratio is 1.01, which is lower than the FLCOX Sharpe Ratio of 2.59. The chart below compares the historical Sharpe Ratios of OAYMX and FLCOX, 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

OAYMX vs. FLCOX - Drawdown Comparison

The maximum OAYMX drawdown since its inception was -40.09%, roughly equal to the maximum FLCOX drawdown of -38.28%. Use the drawdown chart below to compare losses from any high point for OAYMX and FLCOX.

Drawdown Indicators

	OAYMX	FLCOX	Difference
Max Drawdown Largest peak-to-trough decline	-40.09%	-38.28%	-1.81%
Max Drawdown (1Y) Largest decline over 1 year	-6.94%	-6.80%	-0.14%
Max Drawdown (3Y) Largest decline over 3 years	-17.02%	-15.60%	-1.42%
Max Drawdown (5Y) Largest decline over 5 years	-23.55%	-19.00%	-4.55%
Current Drawdown Current decline from peak	-0.45%	-0.56%	+0.11%
Average Drawdown Average peak-to-trough decline	-5.48%	-4.39%	-1.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.80%	1.60%	+1.20%

Volatility

OAYMX vs. FLCOX - Volatility Comparison

Oakmark Fund Advisor Class (OAYMX) has a higher volatility of 4.55% compared to Fidelity Large Cap Value Index Fund (FLCOX) at 2.92%. This indicates that OAYMX's price experiences larger fluctuations and is considered to be riskier than FLCOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAYMX	FLCOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.55%	2.92%	+1.63%
Volatility (6M) Calculated over the trailing 6-month period	9.77%	8.72%	+1.05%
Volatility (1Y) Calculated over the trailing 1-year period	13.55%	11.43%	+2.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.23%	14.84%	+3.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.44%	17.56%	+2.88%

OAYMX vs. FLCOX - Expense Ratio Comparison

OAYMX has a 0.70% expense ratio, which is higher than FLCOX's 0.04% expense ratio.

Dividends

OAYMX vs. FLCOX - Dividend Comparison

OAYMX's dividend yield for the trailing twelve months is around 1.05%, more than FLCOX's 0.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FLCOX Fidelity Large Cap Value Index Fund	0.87%	1.51%	1.92%	1.99%	2.01%	1.55%	2.28%	3.82%	2.79%	0.60%
OAYMX Oakmark Fund Advisor Class	1.05%	1.12%	1.30%	1.19%	1.16%	1.64%	0.27%	8.44%	8.35%	4.22%

Frequently Asked Questions

Can I hold both OAYMX and FLCOX in my portfolio?

OAYMX and FLCOX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OAYMX or FLCOX?

OAYMX has higher volatility (4.55%) compared to FLCOX (2.92%). In terms of maximum drawdown, OAYMX dropped -40.09% vs FLCOX's -38.28%.

Which has better risk-adjusted returns?

FLCOX currently has the higher Sharpe Ratio (2.59 vs 1.01), 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.