IHI vs. ARKG

Last updated Jul 18, 2026

IHI (iShares U.S. Medical Devices ETF) and ARKG (ARK Genomic Revolution Multi-Sector ETF) are both Health & Biotech Equities funds. IHI is passively managed, while ARKG is actively managed. Over the past 10 years, IHI returned 8.43%/yr vs 9.10%/yr for ARKG. A 0.57 correlation means they provide meaningful diversification when combined. IHI charges 0.38%/yr vs 0.75%/yr for ARKG.

Performance

IHI vs. ARKG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Medical Devices ETF (IHI) and ARK Genomic Revolution Multi-Sector ETF (ARKG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IHI achieves a -18.54% return, which is significantly lower than ARKG's 37.63% return. Over the past 10 years, IHI has underperformed ARKG with an annualized return of 8.43%, while ARKG has yielded a comparatively higher 9.10% annualized return.

IHI

• 1D: -3.24%
• 1M: 4.36%
• 6M: -18.12%
• YTD: -18.54%
• 1Y: -15.41%
• 3Y*: -3.16%
• 5Y*: -3.26%
• 10Y*: 8.43%

ARKG

• 1D: -0.55%
• 1M: 13.78%
• 6M: 25.30%
• YTD: 37.63%
• 1Y: 62.80%
• 3Y*: 1.83%
• 5Y*: -13.51%
• 10Y*: 9.10%

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

IHI vs. ARKG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IHI iShares U.S. Medical Devices ETF	-18.54%	6.88%	8.62%	3.24%	-19.80%	21.03%	24.17%	32.75%	15.45%	30.81%
ARKG ARK Genomic Revolution Multi-Sector ETF	37.63%	23.04%	-28.24%	16.22%	-53.90%	-33.92%	180.40%	44.00%	-1.26%	46.61%

Correlation

The correlation between IHI and ARKG is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (10Y) Calculated over the trailing 10-year period	0.57
Correlation (All Time) Calculated using the full available price history since Oct 31, 2014	0.57

The correlation between IHI and ARKG shifts across timeframes, from 0.40 (1 year) to 0.57 (all time), reflecting how their relationship changes across market environments.

IHI vs. ARKG - Sectors Allocation Comparison

Sectors	IHI	ARKG
Healthcare	100.0%	97.0%
Technology	0.3%	2.0%
Industrials	0.2%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	0.9%
Real Estate	-	-
Utilities	-	-

Return for Risk

IHI vs. ARKG — Risk / Return Rank

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

IHI

IHI Risk / Return Rank: 3
IHI Sharpe Ratio Rank: 3
IHI Sortino Ratio Rank: 3
IHI Omega Ratio Rank: 3
IHI Calmar Ratio Rank: 4
IHI Martin Ratio Rank: 3

ARKG

ARKG Risk / Return Rank: 52
ARKG Sharpe Ratio Rank: 54
ARKG Sortino Ratio Rank: 57
ARKG Omega Ratio Rank: 48
ARKG Calmar Ratio Rank: 58
ARKG Martin Ratio Rank: 42

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.

IHI vs. ARKG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Medical Devices ETF (IHI) and ARK Genomic Revolution Multi-Sector ETF (ARKG). 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.

	IHI	ARKG	Difference
Sharpe ratio: Return per unit of total volatility	-0.79	1.47	-2.27
Sortino ratio: Return per unit of downside risk	-1.04	2.17	-3.22
Omega ratio: Gain probability vs. loss probability	0.88	1.25	-0.37
Calmar ratio: Return relative to maximum drawdown	-0.59	2.29	-2.89
Martin ratio: Return relative to average drawdown	-1.22	5.45	-6.68

IHI vs. ARKG - Sharpe Ratio Comparison

The current IHI Sharpe Ratio is -0.79, which is lower than the ARKG Sharpe Ratio of 1.47. The chart below compares the historical Sharpe Ratios of IHI and ARKG, 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

IHI vs. ARKG - Drawdown Comparison

The maximum IHI drawdown since its inception was -49.65%, smaller than the maximum ARKG drawdown of -83.59%. Use the drawdown chart below to compare losses from any high point for IHI and ARKG.

Drawdown Indicators

	IHI	ARKG	Difference
Max Drawdown Largest peak-to-trough decline	-49.65%	-83.59%	+33.94%
Max Drawdown (1Y) Largest decline over 1 year	-26.11%	-27.51%	+1.40%
Max Drawdown (3Y) Largest decline over 3 years	-26.64%	-51.96%	+25.32%
Max Drawdown (5Y) Largest decline over 5 years	-33.12%	-79.26%	+46.14%
Max Drawdown (10Y) Largest decline over 10 years	-33.25%	-83.59%	+50.34%
Current Drawdown Current decline from peak	-23.08%	-64.33%	+41.25%
Average Drawdown Average peak-to-trough decline	-8.41%	-36.17%	+27.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.63%	11.55%	+1.08%

Volatility

IHI vs. ARKG - Volatility Comparison

The current volatility for iShares U.S. Medical Devices ETF (IHI) is 10.17%, while ARK Genomic Revolution Multi-Sector ETF (ARKG) has a volatility of 12.42%. This indicates that IHI experiences smaller price fluctuations and is considered to be less risky than ARKG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IHI	ARKG	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.17%	12.42%	-2.25%
Volatility (6M) Calculated over the trailing 6-month period	16.15%	31.43%	-15.28%
Volatility (1Y) Calculated over the trailing 1-year period	19.55%	42.89%	-23.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.48%	46.10%	-26.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.98%	41.39%	-21.41%

IHI vs. ARKG - Expense Ratio Comparison

IHI has a 0.38% expense ratio, which is lower than ARKG's 0.75% expense ratio.

Dividends

IHI vs. ARKG - Dividend Comparison

IHI's dividend yield for the trailing twelve months is around 0.48%, while ARKG has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKG ARK Genomic Revolution Multi-Sector ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.62%	0.85%	3.14%	0.82%	1.34%	0.00%	0.00%
IHI iShares U.S. Medical Devices ETF	0.48%	0.34%	0.46%	0.53%	0.45%	0.25%	0.25%	0.33%	0.26%	0.37%	0.55%	1.28%

Frequently Asked Questions

Can I hold both IHI and ARKG in my portfolio?

IHI and ARKG have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IHI or ARKG?

ARKG has higher volatility (12.42%) compared to IHI (10.17%). In terms of maximum drawdown, IHI dropped -49.65% vs ARKG's -83.59%.

Which ETF is better, IHI or ARKG?

On 10-year performance, ARKG leads with 9.10% vs 8.43% for IHI. On fees, IHI is cheaper at 0.38% per year. On volatility, IHI has been the lower-risk option at 10.17%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IHI or ARKG?

Over the 10-year period, ARKG has performed better with a 9.10% return vs 8.43%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IHI or ARKG?

IHI is cheaper with a 0.38% expense ratio, compared with 0.75% for ARKG.

Which ETF pays a higher dividend yield, IHI or ARKG?

IHI has the higher dividend yield at 0.48%, compared with 0.00% for ARKG.

What is the main difference between IHI and ARKG?

They also come from different issuers: iShares and ARK. Their fees differ too: 0.38% for IHI and 0.75% for ARKG.

Which has better risk-adjusted returns?

ARKG currently has the higher Sharpe Ratio (1.47 vs -0.79), 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.