PHO vs. ARKF

Last updated Jun 13, 2026

PHO (Invesco Water Resources ETF) and ARKF (ARK Fintech Innovation ETF) are both exchange-traded funds - PHO is a Water Equities fund tracking the NASDAQ OMX US Water Index, while ARKF is a Blockchain fund actively managed by ARK. PHO is passively managed, while ARKF is actively managed. Over the past 5 years, PHO returned 5.17%/yr vs -5.06%/yr for ARKF. A 0.55 correlation means they provide meaningful diversification when combined. PHO charges 0.60%/yr vs 0.75%/yr for ARKF.

Performance

PHO vs. ARKF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Water Resources ETF (PHO) and ARK Fintech Innovation ETF (ARKF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PHO achieves a -4.97% return, which is significantly higher than ARKF's -18.31% return.

PHO

• 1D: 0.63%
• 1M: 2.30%
• YTD: -4.97%
• 6M: -6.44%
• 1Y: -1.80%
• 3Y*: 7.13%
• 5Y*: 5.17%
• 10Y*: 11.71%

ARKF

• 1D: 0.00%
• 1M: -7.34%
• YTD: -18.31%
• 6M: -21.31%
• 1Y: -11.63%
• 3Y*: 23.97%
• 5Y*: -5.06%
• 10Y*: —

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

PHO vs. ARKF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
PHO Invesco Water Resources ETF	-4.97%	7.62%	8.59%	18.85%	-14.86%	31.28%	20.83%	24.39%
ARKF ARK Fintech Innovation ETF	-18.31%	28.67%	34.34%	93.27%	-65.07%	-17.82%	108.03%	20.45%

Correlation

The correlation between PHO and ARKF is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.56
Correlation (All Time) Calculated using the full available price history since Feb 4, 2019	0.55

The correlation between PHO and ARKF shifts across timeframes, from 0.38 (1 year) to 0.56 (5 years), reflecting how their relationship changes across market environments.

PHO vs. ARKF - Sectors Allocation Comparison

Sectors	PHO	ARKF
Industrials	56.3%	-
Utilities	14.1%	-
Technology	13.1%	42.7%
Basic Materials	8.4%	-
Healthcare	8.2%	0.2%
Financial Services	0.0%	28.5%
Communication Services	-	12.2%
Consumer Cyclical	-	16.4%
Consumer Defensive	-	-
Energy	-	-
Real Estate	-	-

Return for Risk

PHO vs. ARKF — Risk / Return Rank

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

PHO

PHO Risk / Return Rank: 7
PHO Sharpe Ratio Rank: 7
PHO Sortino Ratio Rank: 7
PHO Omega Ratio Rank: 7
PHO Calmar Ratio Rank: 7
PHO Martin Ratio Rank: 7

ARKF

ARKF Risk / Return Rank: 7
ARKF Sharpe Ratio Rank: 6
ARKF Sortino Ratio Rank: 7
ARKF Omega Ratio Rank: 7
ARKF Calmar Ratio Rank: 7
ARKF Martin Ratio Rank: 7

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.

PHO vs. ARKF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Water Resources ETF (PHO) and ARK Fintech Innovation ETF (ARKF). 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.

	PHO	ARKF	Difference
Sharpe ratio: Return per unit of total volatility	-0.21	-0.35	+0.14
Sortino ratio: Return per unit of downside risk	-0.20	-0.28	+0.08
Omega ratio: Gain probability vs. loss probability	0.98	0.97	+0.01
Calmar ratio: Return relative to maximum drawdown	-0.23	-0.31	+0.08
Martin ratio: Return relative to average drawdown	-0.58	-0.57	-0.01

PHO vs. ARKF - Sharpe Ratio Comparison

The current PHO Sharpe Ratio is -0.21, which is higher than the ARKF Sharpe Ratio of -0.35. The chart below compares the historical Sharpe Ratios of PHO and ARKF, 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

PHO vs. ARKF - Drawdown Comparison

The maximum PHO drawdown since its inception was -55.62%, smaller than the maximum ARKF drawdown of -78.63%. Use the drawdown chart below to compare losses from any high point for PHO and ARKF.

Drawdown Indicators

	PHO	ARKF	Difference
Max Drawdown Largest peak-to-trough decline	-55.62%	-78.63%	+23.01%
Max Drawdown (1Y) Largest decline over 1 year	-13.78%	-38.50%	+24.72%
Max Drawdown (3Y) Largest decline over 3 years	-19.19%	-38.50%	+19.31%
Max Drawdown (5Y) Largest decline over 5 years	-28.60%	-75.30%	+46.70%
Max Drawdown (10Y) Largest decline over 10 years	-34.92%	—	—
Current Drawdown Current decline from peak	-10.21%	-38.77%	+28.56%
Average Drawdown Average peak-to-trough decline	-10.18%	-34.95%	+24.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.59%	21.00%	-15.41%

Volatility

PHO vs. ARKF - Volatility Comparison

The current volatility for Invesco Water Resources ETF (PHO) is 4.41%, while ARK Fintech Innovation ETF (ARKF) has a volatility of 10.36%. This indicates that PHO experiences smaller price fluctuations and is considered to be less risky than ARKF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PHO	ARKF	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.41%	10.36%	-5.95%
Volatility (6M) Calculated over the trailing 6-month period	11.15%	25.14%	-13.99%
Volatility (1Y) Calculated over the trailing 1-year period	15.12%	33.69%	-18.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.40%	42.87%	-24.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.46%	39.77%	-20.31%

PHO vs. ARKF - Expense Ratio Comparison

PHO has a 0.60% expense ratio, which is lower than ARKF's 0.75% expense ratio.

Dividends

PHO vs. ARKF - Dividend Comparison

PHO's dividend yield for the trailing twelve months is around 0.58%, more than ARKF's 0.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKF ARK Fintech Innovation ETF	0.11%	0.09%	0.00%	0.00%	0.00%	0.00%	0.37%	1.25%	0.00%	0.00%	0.00%	0.00%
PHO Invesco Water Resources ETF	0.58%	0.54%	0.45%	0.59%	0.49%	0.20%	0.39%	0.43%	0.46%	0.34%	0.47%	0.75%

Frequently Asked Questions

Can I hold both PHO and ARKF in my portfolio?

PHO and ARKF have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PHO or ARKF?

ARKF has higher volatility (10.36%) compared to PHO (4.41%). In terms of maximum drawdown, PHO dropped -55.62% vs ARKF's -78.63%.

Which ETF is better, PHO or ARKF?

On 5-year performance, PHO leads with 5.17% vs -5.06% for ARKF. On fees, PHO is cheaper at 0.60% per year. On volatility, PHO has been the lower-risk option at 4.41%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PHO or ARKF?

Over the 5-year period, PHO has performed better with a 5.17% return vs -5.06%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PHO or ARKF?

PHO is cheaper with a 0.60% expense ratio, compared with 0.75% for ARKF.

Which ETF pays a higher dividend yield, PHO or ARKF?

PHO has the higher dividend yield at 0.58%, compared with 0.11% for ARKF.

What is the main difference between PHO and ARKF?

PHO is categorized as Water Equities, while ARKF is Blockchain. They also come from different issuers: Invesco and ARK. Their fees differ too: 0.60% for PHO and 0.75% for ARKF.

Which has better risk-adjusted returns?

PHO currently has the higher Sharpe Ratio (-0.21 vs -0.35), 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.