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SRTY vs. IWM
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SRTY vs. IWM

Last updated Jul 14, 2026
Documentation

SRTY (ProShares UltraPro Short Russell2000) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - SRTY is a Leveraged Equities fund tracking the Russell 2000 Index (-300%), while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. Over the past 10 years, SRTY returned -43.23%/yr vs 10.76%/yr for IWM. At a correlation of -1.00, they often move in opposite directions. SRTY charges 0.95%/yr vs 0.19%/yr for IWM.

Performance

SRTY vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraPro Short Russell2000 (SRTY) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, SRTY achieves a -44.74% return, which is significantly lower than IWM's 19.72% return. Over the past 10 years, SRTY has underperformed IWM with an annualized return of -43.23%, while IWM has yielded a comparatively higher 10.76% annualized return.

SRTY

1D
2.54%
1M
-1.01%
6M
-33.79%
YTD
-44.74%
1Y
-61.69%
3Y*
-43.41%
5Y*
-32.96%
10Y*
-43.23%

IWM

1D
-0.85%
1M
0.42%
6M
12.70%
YTD
19.72%
1Y
33.75%
3Y*
16.65%
5Y*
7.37%
10Y*
10.76%
*Multi-year figures are annualized to reflect compound growth (CAGR)

SRTY vs. IWM - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SRTY
ProShares UltraPro Short Russell2000		-44.74%-40.55%-32.91%-42.02%28.99%-51.67%-80.61%-53.83%23.37%-38.31%
IWM
iShares Russell 2000 ETF		19.72%12.66%11.38%16.83%-20.48%14.54%20.03%25.39%-11.12%14.58%

Correlation

The correlation between SRTY and IWM is -1.00, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

-1.00

Correlation (3Y)
Calculated over the trailing 3-year period

-1.00

Correlation (5Y)
Calculated over the trailing 5-year period

-1.00

Correlation (10Y)
Calculated over the trailing 10-year period

-1.00

Correlation (All Time)
Calculated using the full available price history since Feb 11, 2010

-1.00

The correlation between SRTY and IWM has been stable across timeframes, ranging from -1.00 to -1.00 - a consistent structural relationship.

SRTY vs. IWM - Sectors Allocation Comparison

Sectors
SRTY
IWM

Financial Services

45.6%
18.1%

Basic Materials

-

4.3%

Communication Services

-

2.0%

Consumer Cyclical

-

8.9%

Consumer Defensive

-

2.5%

Energy

-

5.7%

Healthcare

-

20.1%

Industrials

-

13.8%

Real Estate

-

6.3%

Technology

-

14.9%

Utilities

-

2.9%

Financial Services

SRTY
45.6%
IWM
18.1%

Basic Materials

SRTY

-

IWM
4.3%

Communication Services

SRTY

-

IWM
2.0%

Consumer Cyclical

SRTY

-

IWM
8.9%

Consumer Defensive

SRTY

-

IWM
2.5%

Energy

SRTY

-

IWM
5.7%

Healthcare

SRTY

-

IWM
20.1%

Industrials

SRTY

-

IWM
13.8%

Real Estate

SRTY

-

IWM
6.3%

Technology

SRTY

-

IWM
14.9%

Utilities

SRTY

-

IWM
2.9%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

ProShares UltraPro Short Russell2000

iShares Russell 2000 ETF

Often compared with SRTY:
SRTY vs. TZASRTY vs. URTYSRTY vs. YANGSRTY vs. SQQQSRTY vs. HIBSSRTY vs. SDOWSRTY vs. SPY
Often compared with IWM:
IWM vs. SPYIWM vs. VTWOIWM vs. IJRIWM vs. AVUVIWM vs. IWNIWM vs. VOOIWM vs. IWO

Return for Risk

SRTY vs. IWM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SRTY
SRTY Risk / Return Rank: 11
Overall Rank
SRTY Sharpe Ratio Rank: 11
Sharpe Ratio Rank
SRTY Sortino Ratio Rank: 11
Sortino Ratio Rank
SRTY Omega Ratio Rank: 11
Omega Ratio Rank
SRTY Calmar Ratio Rank: 11
Calmar Ratio Rank
SRTY Martin Ratio Rank: 22
Martin Ratio Rank
IWM
IWM Risk / Return Rank: 6969
Overall Rank
IWM Sharpe Ratio Rank: 6767
Sharpe Ratio Rank
IWM Sortino Ratio Rank: 6868
Sortino Ratio Rank
IWM Omega Ratio Rank: 6060
Omega Ratio Rank
IWM Calmar Ratio Rank: 7575
Calmar Ratio Rank
IWM Martin Ratio Rank: 7474
Martin Ratio Rank
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.

SRTY vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraPro Short Russell2000 (SRTY) and iShares Russell 2000 ETF (IWM). 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.

SRTYIWMDifference
Sharpe ratioReturn per unit of total volatility
-1.06
1.74

-2.80

Sortino ratioReturn per unit of downside risk
-1.79
2.47

-4.25

Omega ratioGain probability vs. loss probability

0.80

1.29

-0.49

Calmar ratioReturn relative to maximum drawdown

-0.92

3.07

-3.99

Martin ratioReturn relative to average drawdown

-1.41

10.87

-12.28

SRTY vs. IWM - Sharpe Ratio Comparison

The current SRTY Sharpe Ratio is -1.06, which is lower than the IWM Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of SRTY and IWM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

SRTY vs. IWM - Drawdown Comparison

The maximum SRTY drawdown since its inception was -100.00%, which is greater than IWM's maximum drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for SRTY and IWM.

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Drawdown Indicators

SRTYIWMDifference

Max Drawdown

Largest peak-to-trough decline

-100.00%

-59.05%

-40.95%

Max Drawdown (1Y)

Largest decline over 1 year

-67.43%

-11.03%

-56.40%

Max Drawdown (3Y)

Largest decline over 3 years

-89.67%

-27.50%

-62.17%

Max Drawdown (5Y)

Largest decline over 5 years

-92.04%

-31.91%

-60.13%

Max Drawdown (10Y)

Largest decline over 10 years

-99.70%

-41.13%

-58.57%

Current Drawdown

Current decline from peak

-100.00%

-2.32%

-97.68%

Average Drawdown

Average peak-to-trough decline

-94.16%

-10.73%

-83.43%

Ulcer Index

Depth and duration of drawdowns from previous peaks

43.75%

3.11%

+40.64%

Volatility

SRTY vs. IWM - Volatility Comparison

ProShares UltraPro Short Russell2000 (SRTY) has a higher volatility of 14.86% compared to iShares Russell 2000 ETF (IWM) at 4.81%. This indicates that SRTY's price experiences larger fluctuations and is considered to be riskier than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SRTYIWMDifference

Volatility (1M)

Calculated over the trailing 1-month period

14.86%

4.81%

+10.05%

Volatility (6M)

Calculated over the trailing 6-month period

42.72%

14.19%

+28.53%

Volatility (1Y)

Calculated over the trailing 1-year period

58.34%

19.54%

+38.80%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

67.56%

22.56%

+45.00%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

68.25%

23.00%

+45.25%

SRTY vs. IWM - Expense Ratio Comparison

SRTY has a 0.95% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

SRTY vs. IWM - Dividend Comparison

SRTY's dividend yield for the trailing twelve months is around 8.31%, more than IWM's 0.91% yield.

PositionTTM20252024202320222021202020192018201720162015
IWM
iShares Russell 2000 ETF		0.91%1.04%1.15%1.35%1.48%0.94%1.04%1.26%1.40%1.26%1.38%1.54%
SRTY
ProShares UltraPro Short Russell2000		8.31%6.87%9.40%4.93%0.17%0.00%0.95%2.13%0.70%0.04%0.00%0.00%

Frequently Asked Questions

SRTY and IWM have a correlation of -1.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

SRTY has higher volatility (14.86%) compared to IWM (4.81%). In terms of maximum drawdown, SRTY dropped -100.00% vs IWM's -59.05%.

On 10-year performance, IWM leads with 10.76% vs -43.23% for SRTY. On fees, IWM is cheaper at 0.19% per year. On volatility, IWM has been the lower-risk option at 4.81%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, IWM has performed better with a 10.76% return vs -43.23%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IWM is cheaper with a 0.19% expense ratio, compared with 0.95% for SRTY.

SRTY has the higher dividend yield at 8.31%, compared with 0.91% for IWM.

SRTY is categorized as Leveraged Equities, while IWM is Small Cap Blend Equities. SRTY tracks Russell 2000 Index (-300%), while IWM tracks Russell 2000 Index. They also come from different issuers: ProShares and iShares. Their fees differ too: 0.95% for SRTY and 0.19% for IWM.

IWM currently has the higher Sharpe Ratio (1.74 vs -1.06), 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.

Portfolio Optimizer

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