SPXB vs. ARKK

Last updated Jun 4, 2026

SPXB (ProShares S&P 500 Bond ETF) and ARKK (ARK Innovation ETF) are both exchange-traded funds - SPXB is a Corporate Bonds fund tracking the S&P 500 MarketAxess Investment Grade Corporate Bond Index, while ARKK is a Technology Equities fund actively managed by ARK. SPXB is passively managed, while ARKK is actively managed. At a 0.19 correlation, their price movements are largely independent. SPXB charges 0.15%/yr vs 0.75%/yr for ARKK.

Performance

SPXB vs. ARKK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 Bond ETF (SPXB) and ARK Innovation ETF (ARKK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPXB

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ARKK

• 1D: -2.19%
• 1M: -0.09%
• YTD: 1.61%
• 6M: -3.21%
• 1Y: 34.90%
• 3Y*: 23.72%
• 5Y*: -6.26%
• 10Y*: 15.75%

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

SPXB vs. ARKK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	-3.45%	8.83%	-16.66%	-1.89%	10.33%	15.34%	1.13%
ARKK ARK Innovation ETF	1.61%	35.49%	8.40%	69.04%	-66.97%	-23.60%	152.71%	35.08%	-2.30%

Correlation

The correlation between SPXB and ARKK is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (All Time) Calculated using the full available price history since May 4, 2018	0.19

Return for Risk

SPXB vs. ARKK — Risk / Return Rank

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

ARKK

ARKK Risk / Return Rank: 24
ARKK Sharpe Ratio Rank: 26
ARKK Sortino Ratio Rank: 27
ARKK Omega Ratio Rank: 25
ARKK Calmar Ratio Rank: 24
ARKK Martin Ratio Rank: 20

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.

SPXB vs. ARKK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 Bond ETF (SPXB) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	SPXB	ARKK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.96	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.14	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.39	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.35	—

Drawdowns

Drawdown Indicators

	SPXB	ARKK	Difference
Max Drawdown Largest peak-to-trough decline	—	-80.97%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-31.35%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-39.56%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-77.23%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-80.97%	—
Current Drawdown Current decline from peak	—	-49.39%	—
Average Drawdown Average peak-to-trough decline	—	-30.12%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	14.06%	—

Volatility

Volatility by Period

	SPXB	ARKK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	9.45%	—
Volatility (6M) Calculated over the trailing 6-month period	—	25.08%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	36.37%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	46.28%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	40.26%	—

SPXB vs. ARKK - Expense Ratio Comparison

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

Dividends

SPXB vs. ARKK - Dividend Comparison

Neither SPXB nor ARKK has 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%
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	1.22%	4.04%	3.14%	2.00%	2.64%	3.48%	2.52%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPXB and ARKK in my portfolio?

SPXB and ARKK have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SPXB or ARKK?

On fees, SPXB is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPXB or ARKK?

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

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

SPXB and ARKK have nearly identical dividend yields, around 0.00%.

What is the main difference between SPXB and ARKK?

SPXB is categorized as Corporate Bonds, while ARKK is Technology Equities. They also come from different issuers: ProShares and ARK. Their fees differ too: 0.15% for SPXB and 0.75% for ARKK.