PSCH vs. ARKG

Last updated Jun 4, 2026

PSCH (Invesco S&P SmallCap Health Care ETF) and ARKG (ARK Genomic Revolution Multi-Sector ETF) are both Health & Biotech Equities funds. PSCH is passively managed, while ARKG is actively managed. Over the past 10 years, PSCH returned 6.81%/yr vs 7.22%/yr for ARKG. A 0.74 correlation means they provide meaningful diversification when combined. PSCH charges 0.29%/yr vs 0.75%/yr for ARKG.

Performance

PSCH vs. ARKG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P SmallCap Health Care ETF (PSCH) 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, PSCH achieves a 1.80% return, which is significantly lower than ARKG's 17.09% return. Over the past 10 years, PSCH has underperformed ARKG with an annualized return of 6.81%, while ARKG has yielded a comparatively higher 7.22% annualized return.

PSCH

• 1D: 1.28%
• 1M: -0.71%
• YTD: 1.80%
• 6M: -1.68%
• 1Y: 10.18%
• 3Y*: 0.45%
• 5Y*: -5.72%
• 10Y*: 6.81%

ARKG

• 1D: -0.24%
• 1M: 10.92%
• YTD: 17.09%
• 6M: 10.02%
• 1Y: 53.35%
• 3Y*: 0.67%
• 5Y*: -15.72%
• 10Y*: 7.22%

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

PSCH vs. ARKG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSCH Invesco S&P SmallCap Health Care ETF	1.80%	-0.49%	3.77%	-2.71%	-25.15%	5.75%	31.47%	20.17%	9.15%	34.87%
ARKG ARK Genomic Revolution Multi-Sector ETF	17.09%	23.04%	-28.24%	16.22%	-53.90%	-33.92%	180.40%	44.00%	-1.26%	46.61%

Correlation

The correlation between PSCH and ARKG is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.75
Correlation (All Time) Calculated using the full available price history since Nov 3, 2014	0.74

The correlation between PSCH and ARKG has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.

PSCH vs. ARKG - Sectors Allocation Comparison

Sectors	PSCH	ARKG
Healthcare	97.3%	99.2%
Technology	1.7%	-
Financial Services	1.1%	0.5%
Industrials	0.7%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

PSCH vs. ARKG — Risk / Return Rank

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

PSCH

PSCH Risk / Return Rank: 17
PSCH Sharpe Ratio Rank: 17
PSCH Sortino Ratio Rank: 17
PSCH Omega Ratio Rank: 17
PSCH Calmar Ratio Rank: 17
PSCH Martin Ratio Rank: 18

ARKG

ARKG Risk / Return Rank: 35
ARKG Sharpe Ratio Rank: 35
ARKG Sortino Ratio Rank: 37
ARKG Omega Ratio Rank: 32
ARKG Calmar Ratio Rank: 38
ARKG Martin Ratio Rank: 31

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.

PSCH vs. ARKG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P SmallCap Health Care ETF (PSCH) 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.

	PSCH	ARKG	Difference
Sharpe ratio: Return per unit of total volatility	0.51	1.31	-0.80
Sortino ratio: Return per unit of downside risk	0.87	1.99	-1.12
Omega ratio: Gain probability vs. loss probability	1.10	1.22	-0.12
Calmar ratio: Return relative to maximum drawdown	0.67	1.95	-1.28
Martin ratio: Return relative to average drawdown	1.84	4.67	-2.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSCH vs. ARKG - Sharpe Ratio Comparison

The current PSCH Sharpe Ratio is 0.51, which is lower than the ARKG Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of PSCH 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.

Sharpe Ratios by Period

	PSCH	ARKG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.51	1.31	-0.80
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.25	-0.35	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	0.18	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.13	+0.38

Drawdowns

PSCH vs. ARKG - Drawdown Comparison

The maximum PSCH drawdown since its inception was -46.32%, smaller than the maximum ARKG drawdown of -83.59%. Use the drawdown chart below to compare losses from any high point for PSCH and ARKG.

Drawdown Indicators

	PSCH	ARKG	Difference
Max Drawdown Largest peak-to-trough decline	-46.32%	-83.59%	+37.27%
Max Drawdown (1Y) Largest decline over 1 year	-15.36%	-27.51%	+12.15%
Max Drawdown (3Y) Largest decline over 3 years	-22.98%	-51.96%	+28.98%
Max Drawdown (5Y) Largest decline over 5 years	-46.32%	-80.18%	+33.86%
Max Drawdown (10Y) Largest decline over 10 years	-46.32%	-83.59%	+37.27%
Current Drawdown Current decline from peak	-30.59%	-69.65%	+39.06%
Average Drawdown Average peak-to-trough decline	-13.46%	-35.87%	+22.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.54%	11.46%	-5.92%

Volatility

PSCH vs. ARKG - Volatility Comparison

The current volatility for Invesco S&P SmallCap Health Care ETF (PSCH) is 4.19%, while ARK Genomic Revolution Multi-Sector ETF (ARKG) has a volatility of 11.90%. This indicates that PSCH 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

	PSCH	ARKG	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.19%	11.90%	-7.71%
Volatility (6M) Calculated over the trailing 6-month period	14.06%	28.77%	-14.71%
Volatility (1Y) Calculated over the trailing 1-year period	20.26%	41.12%	-20.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.89%	45.61%	-22.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.63%	41.12%	-17.49%

PSCH vs. ARKG - Expense Ratio Comparison

PSCH has a 0.29% expense ratio, which is lower than ARKG's 0.75% expense ratio.

Dividends

PSCH vs. ARKG - Dividend Comparison

PSCH's dividend yield for the trailing twelve months is around 0.01%, while ARKG has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
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%
PSCH Invesco S&P SmallCap Health Care ETF	0.01%	0.04%	0.27%	0.01%	2.27%	0.00%	0.00%	0.00%	0.00%	0.00%	0.03%

Frequently Asked Questions

Can I hold both PSCH and ARKG in my portfolio?

PSCH and ARKG 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, PSCH or ARKG?

ARKG has higher volatility (11.90%) compared to PSCH (4.19%). In terms of maximum drawdown, PSCH dropped -46.32% vs ARKG's -83.59%.

Which ETF is better, PSCH or ARKG?

On 10-year performance, ARKG leads with 7.22% vs 6.81% for PSCH. On fees, PSCH is cheaper at 0.29% per year. On volatility, PSCH has been the lower-risk option at 4.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSCH or ARKG?

Over the 10-year period, ARKG has performed better with a 7.22% return vs 6.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSCH or ARKG?

PSCH is cheaper with a 0.29% expense ratio, compared with 0.75% for ARKG.

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

PSCH has the higher dividend yield at 0.01%, compared with 0.00% for ARKG.

What is the main difference between PSCH and ARKG?

They also come from different issuers: Invesco and ARK. Their fees differ too: 0.29% for PSCH and 0.75% for ARKG.

Which has better risk-adjusted returns?

ARKG currently has the higher Sharpe Ratio (1.31 vs 0.51), 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.