RLI vs. FXAIX

Last updated Jul 14, 2026

RLI (RLI Corp.) is a stock, while FXAIX (Fidelity 500 Index Fund) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, RLI returned 10.01%/yr vs 15.28%/yr for FXAIX. At a 0.45 correlation, their price movements are largely independent.

Performance

RLI vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RLI Corp. (RLI) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RLI achieves a 0.57% return, which is significantly lower than FXAIX's 11.06% return. Over the past 10 years, RLI has underperformed FXAIX with an annualized return of 10.01%, while FXAIX has yielded a comparatively higher 15.28% annualized return.

RLI

• 1D: 1.34%
• 1M: 13.08%
• 6M: 8.36%
• YTD: 0.57%
• 1Y: -4.87%
• 3Y*: 1.82%
• 5Y*: 8.12%
• 10Y*: 10.01%

FXAIX

• 1D: 0.16%
• 1M: 1.75%
• 6M: 8.91%
• YTD: 11.06%
• 1Y: 22.13%
• 3Y*: 21.00%
• 5Y*: 13.18%
• 10Y*: 15.28%

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

RLI vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RLI RLI Corp.	0.57%	-19.13%	27.57%	3.77%	24.80%	10.67%	18.08%	33.22%	16.69%	0.38%
FXAIX Fidelity 500 Index Fund	11.06%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between RLI and FXAIX is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (5Y) Calculated over the trailing 5-year period	0.24
Correlation (10Y) Calculated over the trailing 10-year period	0.36
Correlation (All Time) Calculated using the full available price history since May 4, 2011	0.45

The correlation between RLI and FXAIX shifts across timeframes, from -0.12 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RLI vs. FXAIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RLI

RLI Risk / Return Rank: 35
RLI Sharpe Ratio Rank: 36
RLI Sortino Ratio Rank: 31
RLI Omega Ratio Rank: 31
RLI Calmar Ratio Rank: 40
RLI Martin Ratio Rank: 39

FXAIX

FXAIX Risk / Return Rank: 63
FXAIX Sharpe Ratio Rank: 61
FXAIX Sortino Ratio Rank: 57
FXAIX Omega Ratio Rank: 60
FXAIX Calmar Ratio Rank: 64
FXAIX Martin Ratio Rank: 75

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.

RLI vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RLI Corp. (RLI) and Fidelity 500 Index Fund (FXAIX). 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.

	RLI	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	-0.21	1.74	-1.95
Sortino ratio: Return per unit of downside risk	-0.13	2.40	-2.54
Omega ratio: Gain probability vs. loss probability	0.98	1.32	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.16	2.45	-2.62
Martin ratio: Return relative to average drawdown	-0.37	10.77	-11.14

RLI vs. FXAIX - Sharpe Ratio Comparison

The current RLI Sharpe Ratio is -0.21, which is lower than the FXAIX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of RLI and FXAIX, 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

RLI vs. FXAIX - Drawdown Comparison

The maximum RLI drawdown since its inception was -43.50%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for RLI and FXAIX.

Drawdown Indicators

	RLI	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-43.50%	-33.79%	-9.71%
Max Drawdown (1Y) Largest decline over 1 year	-29.85%	-8.89%	-20.96%
Max Drawdown (3Y) Largest decline over 3 years	-43.50%	-18.76%	-24.74%
Max Drawdown (5Y) Largest decline over 5 years	-43.50%	-24.50%	-19.00%
Max Drawdown (10Y) Largest decline over 10 years	-43.50%	-33.79%	-9.71%
Current Drawdown Current decline from peak	-24.09%	-0.58%	-23.51%
Average Drawdown Average peak-to-trough decline	-9.90%	-3.78%	-6.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.33%	2.02%	+11.31%

Volatility

RLI vs. FXAIX - Volatility Comparison

RLI Corp. (RLI) has a higher volatility of 7.79% compared to Fidelity 500 Index Fund (FXAIX) at 4.25%. This indicates that RLI's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RLI	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.79%	4.25%	+3.54%
Volatility (6M) Calculated over the trailing 6-month period	18.72%	9.95%	+8.77%
Volatility (1Y) Calculated over the trailing 1-year period	23.64%	12.52%	+11.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.35%	17.01%	+6.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.61%	18.05%	+8.56%

Dividends

RLI vs. FXAIX - Dividend Comparison

RLI's dividend yield for the trailing twelve months is around 7.58%, more than FXAIX's 0.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXAIX Fidelity 500 Index Fund	0.78%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%
RLI RLI Corp.	7.58%	4.11%	3.12%	2.31%	6.12%	2.67%	1.87%	2.12%	2.71%	4.25%	4.42%	4.45%

Frequently Asked Questions

Can I hold both RLI and FXAIX in my portfolio?

RLI and FXAIX have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RLI or FXAIX?

RLI has higher volatility (7.79%) compared to FXAIX (4.25%). In terms of maximum drawdown, RLI dropped -43.50% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (1.74 vs -0.21), 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.