FDLO vs. ARKK

Last updated Aug 2, 2026

FDLO (Fidelity Low Volatility Factor ETF) and ARKK (ARK Innovation ETF) are both exchange-traded funds - FDLO is a Low Volatility fund tracking the Fidelity U.S. Low Volatility Factor Index, while ARKK is a Technology Equities fund actively managed by ARK. FDLO is passively managed, while ARKK is actively managed. Over the past 5 years, FDLO returned 9.60%/yr vs -9.65%/yr for ARKK. Their 0.56 correlation means they have sometimes moved together and sometimes differently. FDLO charges 0.15%/yr vs 0.75%/yr for ARKK.

Performance

FDLO vs. ARKK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Low Volatility Factor ETF (FDLO) and ARK Innovation ETF (ARKK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDLO achieves a 8.41% return, which is significantly higher than ARKK's -7.38% return.

FDLO

• 1D: 0.52%
• 1M: 2.54%
• 6M: 6.36%
• YTD: 8.41%
• 1Y: 16.67%
• 3Y*: 13.79%
• 5Y*: 9.60%
• 10Y*: —
• ALL TIME*: 13.06%

ARKK

• 1D: -2.28%
• 1M: -12.32%
• 6M: -4.85%
• YTD: -7.38%
• 1Y: 0.11%
• 3Y*: 13.25%
• 5Y*: -9.65%
• 10Y*: 14.31%
• ALL TIME*: 12.17%

*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)
ARKK ARK Innovation ETF	$356.24M	$389.65M	$523.48M
FDLO Fidelity Low Volatility Factor ETF	$4.52M	$3.68M	$3.65M

FDLO vs. ARKK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDLO Fidelity Low Volatility Factor ETF	8.41%	11.77%	16.06%	16.38%	-10.38%	24.00%	12.19%	31.10%	-0.26%	20.44%
ARKK ARK Innovation ETF	-7.38%	35.49%	8.40%	69.04%	-66.97%	-23.60%	152.71%	35.08%	3.52%	87.33%

Correlation

The correlation between FDLO and ARKK is 0.48, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.48
Correlation (3Y) Balances recent behavior with more history.	0.53
Correlation (5Y) Shows whether the relationship held over a longer period.	0.56
Correlation (All Time) Calculated using the full available price history since Sep 15, 2016	0.56

The correlation between FDLO and ARKK has been stable across timeframes, ranging from 0.48 to 0.56 - a consistent structural relationship.

FDLO vs. ARKK - Sectors Allocation Comparison

Sectors	FDLO	ARKK
Technology	33.2%	25.8%
Financial Services	13.1%	12.8%
Healthcare	10.6%	32.0%
Communication Services	10.1%	7.1%
Consumer Cyclical	10.0%	13.0%
Industrials	8.7%	9.4%
Consumer Defensive	4.7%	-
Energy	3.1%	-
Utilities	2.4%	-
Real Estate	2.3%	-
Basic Materials	1.8%	-

Return for Risk

FDLO vs. ARKK — Risk / Return Rank

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

FDLO

FDLO Risk / Return Rank: 72
FDLO Sharpe Ratio Rank: 75
FDLO Sortino Ratio Rank: 76
FDLO Omega Ratio Rank: 73
FDLO Calmar Ratio Rank: 62
FDLO Martin Ratio Rank: 72

ARKK

ARKK Risk / Return Rank: 9
ARKK Sharpe Ratio Rank: 9
ARKK Sortino Ratio Rank: 10
ARKK Omega Ratio Rank: 10
ARKK Calmar Ratio Rank: 8
ARKK Martin Ratio Rank: 8

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.

FDLO vs. ARKK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Low Volatility Factor ETF (FDLO) and ARK Innovation ETF (ARKK). 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.

	FDLO	ARKK	Difference
Sharpe ratio: Return per unit of total volatility	1.70	-0.15	+1.84
Sortino ratio: Return per unit of downside risk	2.41	0.05	+2.37
Omega ratio: Gain probability vs. loss probability	1.30	1.01	+0.30
Calmar ratio: Return relative to maximum drawdown	2.17	-0.17	+2.35
Martin ratio: Return relative to average drawdown	8.89	-0.35	+9.24

FDLO vs. ARKK - Sharpe Ratio Comparison

The current FDLO Sharpe Ratio is 1.70, which is higher than the ARKK Sharpe Ratio of -0.15. The chart below compares the historical Sharpe Ratios of FDLO and ARKK, 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

FDLO vs. ARKK - Drawdown Comparison

The maximum FDLO drawdown since its inception was -34.35%, smaller than the maximum ARKK drawdown of -80.97%. Use the drawdown chart below to compare losses from any high point for FDLO and ARKK.

Drawdown Indicators

	FDLO	ARKK	Difference
Max Drawdown Largest peak-to-trough decline	-34.35%	-80.97%	+46.62%
Max Drawdown (1Y) Largest decline over 1 year	-7.13%	-31.35%	+24.22%
Max Drawdown (3Y) Largest decline over 3 years	-13.68%	-39.56%	+25.88%
Max Drawdown (5Y) Largest decline over 5 years	-19.23%	-76.27%	+57.04%
Max Drawdown (10Y) Largest decline over 10 years	—	-80.97%	—
Current Drawdown Current decline from peak	0.00%	-53.87%	+53.87%
Average Drawdown Average peak-to-trough decline	-3.34%	-30.38%	+27.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.74%	15.57%	-13.83%

Volatility

FDLO vs. ARKK - Volatility Comparison

The current volatility for Fidelity Low Volatility Factor ETF (FDLO) is 3.07%, while ARK Innovation ETF (ARKK) has a volatility of 10.19%. This indicates that FDLO experiences smaller price fluctuations and is considered to be less risky than ARKK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDLO	ARKK	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.07%	10.19%	-7.12%
Volatility (6M) Calculated over the trailing 6-month period	6.99%	27.72%	-20.73%
Volatility (1Y) Calculated over the trailing 1-year period	9.15%	36.83%	-27.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.11%	46.55%	-33.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.43%	40.48%	-25.05%

FDLO vs. ARKK - Expense Ratio Comparison

FDLO has a 0.15% expense ratio, which is lower than ARKK's 0.75% expense ratio.

Dividends

FDLO vs. ARKK - Dividend Comparison

FDLO's dividend yield for the trailing twelve months is around 1.37%, while ARKK has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKK ARK Innovation ETF	0.00%	0.00%	0.00%	0.70%	0.00%	0.55%	1.64%	0.38%	3.14%	1.32%	0.00%	2.27%
FDLO Fidelity Low Volatility Factor ETF	1.37%	1.37%	1.40%	1.35%	1.49%	1.11%	1.38%	1.55%	1.76%	1.61%	0.55%	0.00%

Frequently Asked Questions

Can I hold both FDLO and ARKK in my portfolio?

FDLO and ARKK have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FDLO or ARKK?

ARKK has higher volatility (10.19%) compared to FDLO (3.07%). In terms of maximum drawdown, FDLO dropped -34.35% vs ARKK's -80.97%.

Which ETF is better, FDLO or ARKK?

On 5-year performance, FDLO leads with 9.60% vs -9.65% for ARKK. On fees, FDLO is cheaper at 0.15% per year. On volatility, FDLO has been the lower-risk option at 3.07%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FDLO or ARKK?

Over the 5-year period, FDLO has performed better with a 9.60% return vs -9.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FDLO or ARKK?

FDLO is cheaper with a 0.15% expense ratio, compared with 0.75% for ARKK.

Which ETF pays a higher dividend yield, FDLO or ARKK?

FDLO has the higher dividend yield at 1.37%, compared with 0.00% for ARKK.

What is the main difference between FDLO and ARKK?

FDLO is categorized as Low Volatility, while ARKK is Technology Equities. They also come from different issuers: Fidelity and ARK. Their fees differ too: 0.15% for FDLO and 0.75% for ARKK.

Which has better risk-adjusted returns?

FDLO currently has the higher Sharpe Ratio (1.70 vs -0.15), 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.