RPAR vs. ARB

Last updated Jun 24, 2026

RPAR (RPAR Risk Parity ETF) and ARB (AltShares Merger Arbitrage ETF) are both Hedge Fund funds. RPAR is actively managed, while ARB is passively managed. Over the past 5 years, RPAR returned 1.19%/yr vs 4.01%/yr for ARB. At a 0.21 correlation, their price movements are largely independent. RPAR charges 0.51%/yr vs 0.87%/yr for ARB.

Performance

RPAR vs. ARB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RPAR Risk Parity ETF (RPAR) and AltShares Merger Arbitrage ETF (ARB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RPAR achieves a 4.79% return, which is significantly higher than ARB's 2.12% return.

RPAR

• 1D: -0.91%
• 1M: -0.87%
• YTD: 4.79%
• 6M: 4.14%
• 1Y: 15.88%
• 3Y*: 7.94%
• 5Y*: 1.19%
• 10Y*: —

ARB

• 1D: 0.15%
• 1M: 0.40%
• YTD: 2.12%
• 6M: 2.35%
• 1Y: 4.94%
• 3Y*: 6.14%
• 5Y*: 4.01%
• 10Y*: —

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

RPAR vs. ARB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
RPAR RPAR Risk Parity ETF	4.79%	17.91%	0.06%	6.03%	-22.82%	7.56%	19.69%
ARB AltShares Merger Arbitrage ETF	2.12%	6.05%	4.07%	3.85%	2.67%	3.16%	3.77%

Correlation

The correlation between RPAR and ARB is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.22
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (All Time) Calculated using the full available price history since May 7, 2020	0.21

Return for Risk

RPAR vs. ARB — Risk / Return Rank

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

RPAR

RPAR Risk / Return Rank: 42
RPAR Sharpe Ratio Rank: 45
RPAR Sortino Ratio Rank: 44
RPAR Omega Ratio Rank: 43
RPAR Calmar Ratio Rank: 41
RPAR Martin Ratio Rank: 40

ARB

ARB Risk / Return Rank: 67
ARB Sharpe Ratio Rank: 49
ARB Sortino Ratio Rank: 57
ARB Omega Ratio Rank: 55
ARB Calmar Ratio Rank: 86
ARB Martin Ratio Rank: 87

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.

RPAR vs. ARB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RPAR Risk Parity ETF (RPAR) and AltShares Merger Arbitrage ETF (ARB). 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.

	RPAR	ARB	Difference
Sharpe ratio: Return per unit of total volatility	1.51	1.61	-0.10
Sortino ratio: Return per unit of downside risk	2.11	2.54	-0.43
Omega ratio: Gain probability vs. loss probability	1.27	1.32	-0.06
Calmar ratio: Return relative to maximum drawdown	1.97	4.62	-2.66
Martin ratio: Return relative to average drawdown	6.06	17.70	-11.64

RPAR vs. ARB - Sharpe Ratio Comparison

The current RPAR Sharpe Ratio is 1.51, which is comparable to the ARB Sharpe Ratio of 1.61. The chart below compares the historical Sharpe Ratios of RPAR and ARB, 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

RPAR vs. ARB - Drawdown Comparison

The maximum RPAR drawdown since its inception was -30.16%, which is greater than ARB's maximum drawdown of -5.60%. Use the drawdown chart below to compare losses from any high point for RPAR and ARB.

Drawdown Indicators

	RPAR	ARB	Difference
Max Drawdown Largest peak-to-trough decline	-30.16%	-5.60%	-24.56%
Max Drawdown (1Y) Largest decline over 1 year	-8.10%	-1.07%	-7.03%
Max Drawdown (3Y) Largest decline over 3 years	-13.20%	-2.13%	-11.07%
Max Drawdown (5Y) Largest decline over 5 years	-30.16%	-5.60%	-24.56%
Current Drawdown Current decline from peak	-5.11%	-0.38%	-4.73%
Average Drawdown Average peak-to-trough decline	-11.55%	-0.94%	-10.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.63%	0.28%	+2.35%

Volatility

RPAR vs. ARB - Volatility Comparison

RPAR Risk Parity ETF (RPAR) has a higher volatility of 3.79% compared to AltShares Merger Arbitrage ETF (ARB) at 1.22%. This indicates that RPAR's price experiences larger fluctuations and is considered to be riskier than ARB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RPAR	ARB	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.79%	1.22%	+2.57%
Volatility (6M) Calculated over the trailing 6-month period	8.92%	2.63%	+6.29%
Volatility (1Y) Calculated over the trailing 1-year period	10.56%	3.10%	+7.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.47%	4.43%	+8.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.70%	4.40%	+8.30%

RPAR vs. ARB - Expense Ratio Comparison

RPAR has a 0.51% expense ratio, which is lower than ARB's 0.87% expense ratio.

Dividends

RPAR vs. ARB - Dividend Comparison

RPAR's dividend yield for the trailing twelve months is around 2.13%, more than ARB's 0.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
ARB AltShares Merger Arbitrage ETF	0.42%	0.43%	1.12%	0.00%	4.18%	0.00%	2.87%	0.00%
RPAR RPAR Risk Parity ETF	2.13%	2.55%	2.51%	3.16%	4.01%	2.02%	0.76%	0.23%

Frequently Asked Questions

Can I hold both RPAR and ARB in my portfolio?

RPAR and ARB have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RPAR or ARB?

RPAR has higher volatility (3.79%) compared to ARB (1.22%). In terms of maximum drawdown, RPAR dropped -30.16% vs ARB's -5.60%.

Which ETF is better, RPAR or ARB?

On 5-year performance, ARB leads with 4.01% vs 1.19% for RPAR. On fees, RPAR is cheaper at 0.51% per year. On volatility, ARB has been the lower-risk option at 1.22%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RPAR or ARB?

Over the 5-year period, ARB has performed better with a 4.01% return vs 1.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RPAR or ARB?

RPAR is cheaper with a 0.51% expense ratio, compared with 0.87% for ARB.

Which ETF pays a higher dividend yield, RPAR or ARB?

RPAR has the higher dividend yield at 2.13%, compared with 0.42% for ARB.

What is the main difference between RPAR and ARB?

They also come from different issuers: Toroso Investments and Water Island Capital Partners LP. Their fees differ too: 0.51% for RPAR and 0.87% for ARB.

Which has better risk-adjusted returns?

ARB currently has the higher Sharpe Ratio (1.61 vs 1.51), 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.