RWM vs. SARK

Last updated Apr 1, 2026

Compare and contrast key facts about ProShares Short Russell2000 (RWM) and Tradr Short Innovation Daily ETF (SARK).

RWM and SARK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. RWM is a passively managed fund by ProShares that tracks the performance of the Russell 2000 (-100%). It was launched on Jan 23, 2007. SARK is an actively managed fund by AXS. It was launched on Nov 5, 2021.

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.

RWM vs. SARK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RWM ProShares Short Russell2000	-0.52%	-9.40%	-5.91%	-10.43%	18.34%	6.92%
SARK Tradr Short Innovation Daily ETF	9.55%	-25.93%	-36.90%	-46.32%	83.35%	20.78%

Returns By Period

In the year-to-date period, RWM achieves a -0.52% return, which is significantly lower than SARK's 9.55% return.

RWM

• 1D: -3.51%
• 1M: 5.06%
• YTD: -0.52%
• 6M: -1.93%
• 1Y: -19.15%
• 3Y*: -8.15%
• 5Y*: -2.92%
• 10Y*: -11.01%

SARK

• 1D: -6.28%
• 1M: 6.42%
• YTD: 9.55%
• 6M: 18.96%
• 1Y: -34.21%
• 3Y*: -27.96%
• 5Y*: —
• 10Y*: —

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

RWM vs. SARK - Expense Ratio Comparison

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

RWM

ProShares Short Russell2000

SARK

Tradr Short Innovation Daily ETF

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: 3
RWM Sharpe Ratio Rank: 1
RWM Sortino Ratio Rank: 1
RWM Omega Ratio Rank: 2
RWM Calmar Ratio Rank: 3
RWM Martin Ratio Rank: 6

SARK

SARK Risk / Return Rank: 3
SARK Sharpe Ratio Rank: 2
SARK Sortino Ratio Rank: 2
SARK Omega Ratio Rank: 2
SARK Calmar Ratio Rank: 4
SARK 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.

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	-0.83	-0.74	-0.09
Sortino ratio Return per unit of downside risk	-1.09	-0.95	-0.14
Omega ratio Gain probability vs. loss probability	0.87	0.89	-0.02
Calmar ratio Return relative to maximum drawdown	-0.54	-0.52	-0.02
Martin ratio Return relative to average drawdown	-0.74	-0.65	-0.09
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 -0.83, which is comparable to the SARK Sharpe Ratio of -0.74. The chart below compares the historical Sharpe Ratios of RWM and SARK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RWM	SARK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.83	-0.74	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.48	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.46	-0.19	-0.28

Correlation

The correlation between RWM and SARK is 0.79, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

RWM vs. SARK - Dividend Comparison

RWM's dividend yield for the trailing twelve months is around 3.57%, more than SARK's 2.57% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
RWM ProShares Short Russell2000	3.57%	3.97%	6.03%	4.78%	0.39%	0.00%	0.20%	1.55%	0.87%	0.07%
SARK Tradr Short Innovation Daily ETF	2.57%	2.82%	15.49%	12.57%	25.22%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

RWM vs. SARK - Drawdown Comparison

The maximum RWM drawdown since its inception was -95.12%, 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	-95.12%	-81.07%	-14.05%
Max Drawdown (1Y) Largest decline over 1 year	-34.53%	-59.44%	+24.91%
Max Drawdown (5Y) Largest decline over 5 years	-36.80%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-71.94%	—	—
Current Drawdown Current decline from peak	-94.70%	-75.82%	-18.88%
Average Drawdown Average peak-to-trough decline	-73.85%	-45.17%	-28.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.23%	47.87%	-22.64%

Volatility

RWM vs. SARK - Volatility Comparison

The current volatility for ProShares Short Russell2000 (RWM) is 7.47%, while Tradr Short Innovation Daily ETF (SARK) has a volatility of 12.51%. 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	7.47%	12.51%	-5.04%
Volatility (6M) Calculated over the trailing 6-month period	14.43%	27.14%	-12.71%
Volatility (1Y) Calculated over the trailing 1-year period	23.18%	46.51%	-23.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.58%	56.97%	-34.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.07%	56.97%	-33.90%