RWM vs. SARK

Last updated Jun 3, 2026

RWM (ProShares Short Russell2000) and SARK (Tradr Short Innovation Daily ETF) are both Inverse Equities funds. RWM is passively managed, while SARK is actively managed. Over the past 3 years, RWM returned -12.50%/yr vs -31.26%/yr for SARK. A 0.78 correlation means they provide meaningful diversification when combined. RWM charges 0.95%/yr vs 0.75%/yr for SARK.

Performance

RWM vs. SARK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Short Russell2000 (RWM) and Tradr Short Innovation Daily ETF (SARK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RWM achieves a -15.00% return, which is significantly lower than SARK's -8.86% return.

RWM

• 1D: -0.86%
• 1M: -4.02%
• YTD: -15.00%
• 6M: -15.34%
• 1Y: -28.11%
• 3Y*: -12.50%
• 5Y*: -5.55%
• 10Y*: -11.97%

SARK

• 1D: 1.58%
• 1M: -4.44%
• YTD: -8.86%
• 6M: -7.57%
• 1Y: -36.06%
• 3Y*: -31.26%
• 5Y*: —
• 10Y*: —

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

RWM vs. SARK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RWM ProShares Short Russell2000	-15.00%	-9.40%	-5.91%	-10.43%	18.34%	6.92%
SARK Tradr Short Innovation Daily ETF	-8.86%	-25.93%	-36.90%	-46.32%	83.35%	20.78%

Correlation

The correlation between RWM and SARK is 0.74, 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	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (All Time) Calculated using the full available price history since Nov 10, 2021	0.78

The correlation between RWM and SARK has been stable across timeframes, ranging from 0.74 to 0.78 - a consistent structural relationship.

Return for Risk

RWM vs. SARK — Risk / Return Rank

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

RWM

RWM Risk / Return Rank: 0
RWM Sharpe Ratio Rank: 0
RWM Sortino Ratio Rank: 1
RWM Omega Ratio Rank: 1
RWM Calmar Ratio Rank: 0
RWM Martin Ratio Rank: 0

SARK

SARK Risk / Return Rank: 2
SARK Sharpe Ratio Rank: 1
SARK Sortino Ratio Rank: 2
SARK Omega Ratio Rank: 2
SARK Calmar Ratio Rank: 1
SARK Martin Ratio Rank: 3

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.

RWM vs. SARK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Short Russell2000 (RWM) and Tradr Short Innovation Daily ETF (SARK). 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.

	RWM	SARK	Difference
Sharpe ratio Return per unit of total volatility	-1.48	-1.01	-0.47
Sortino ratio Return per unit of downside risk	-2.14	-1.43	-0.71
Omega ratio Gain probability vs. loss probability	0.77	0.84	-0.07
Calmar ratio Return relative to maximum drawdown	-1.00	-0.91	-0.09
Martin ratio Return relative to average drawdown	-1.70	-1.22	-0.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RWM vs. SARK - Sharpe Ratio Comparison

The current RWM Sharpe Ratio is -1.48, which is lower than the SARK Sharpe Ratio of -1.01. The chart below compares the historical Sharpe Ratios of RWM and SARK, 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

	RWM	SARK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.48	-1.01	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.25	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.52	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.49	-0.25	-0.24

Drawdowns

RWM vs. SARK - Drawdown Comparison

The maximum RWM drawdown since its inception was -95.47%, which is greater than SARK's maximum drawdown of -81.07%. Use the drawdown chart below to compare losses from any high point for RWM and SARK.

Drawdown Indicators

	RWM	SARK	Difference
Max Drawdown Largest peak-to-trough decline	-95.47%	-81.07%	-14.40%
Max Drawdown (1Y) Largest decline over 1 year	-27.26%	-40.75%	+13.49%
Max Drawdown (3Y) Largest decline over 3 years	-41.38%	-74.42%	+33.04%
Max Drawdown (5Y) Largest decline over 5 years	-41.38%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-73.72%	—	—
Current Drawdown Current decline from peak	-95.47%	-79.88%	-15.59%
Average Drawdown Average peak-to-trough decline	-74.04%	-46.43%	-27.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.63%	30.38%	-13.75%

Volatility

RWM vs. SARK - Volatility Comparison

The current volatility for ProShares Short Russell2000 (RWM) is 5.68%, while Tradr Short Innovation Daily ETF (SARK) has a volatility of 8.96%. This indicates that RWM experiences smaller price fluctuations and is considered to be less risky than SARK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RWM	SARK	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.68%	8.96%	-3.28%
Volatility (6M) Calculated over the trailing 6-month period	13.50%	25.07%	-11.57%
Volatility (1Y) Calculated over the trailing 1-year period	19.01%	35.86%	-16.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.55%	56.25%	-33.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.11%	56.25%	-33.14%

RWM vs. SARK - Expense Ratio Comparison

RWM has a 0.95% expense ratio, which is higher than SARK's 0.75% expense ratio.

Dividends

RWM vs. SARK - Dividend Comparison

RWM's dividend yield for the trailing twelve months is around 4.18%, more than SARK's 3.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
RWM ProShares Short Russell2000	4.18%	3.97%	6.03%	4.78%	0.39%	0.00%	0.20%	1.55%	0.87%	0.07%
SARK Tradr Short Innovation Daily ETF	3.09%	2.82%	15.49%	12.57%	25.22%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RWM and SARK in my portfolio?

RWM and SARK have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RWM or SARK?

SARK has higher volatility (8.96%) compared to RWM (5.68%). In terms of maximum drawdown, RWM dropped -95.47% vs SARK's -81.07%.

Which ETF is better, RWM or SARK?

On 3-year performance, RWM leads with -12.50% vs -31.26% for SARK. On fees, SARK is cheaper at 0.75% per year. On volatility, RWM has been the lower-risk option at 5.68%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RWM or SARK?

Over the 3-year period, RWM has performed better with a -12.50% return vs -31.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RWM or SARK?

SARK is cheaper with a 0.75% expense ratio, compared with 0.95% for RWM.

Which ETF pays a higher dividend yield, RWM or SARK?

RWM has the higher dividend yield at 4.18%, compared with 3.09% for SARK.

What is the main difference between RWM and SARK?

They also come from different issuers: ProShares and AXS. Their fees differ too: 0.95% for RWM and 0.75% for SARK.

Which has better risk-adjusted returns?

SARK currently has the higher Sharpe Ratio (-1.01 vs -1.48), 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.