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SRLN vs. OILK
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SRLN vs. OILK

Last updated Jun 4, 2026

SRLN (SPDR Blackstone Senior Loan ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - SRLN is a High Yield Bonds fund tracking the Markit iBoxx USD Liquid Leveraged Loan Index, while OILK is a Oil & Gas fund tracking the Bloomberg Commodity Balanced WTI Crude Oil Index. Both are passively managed. Over the past 5 years, SRLN returned 4.62%/yr vs 17.73%/yr for OILK. At a 0.17 correlation, their price movements are largely independent. SRLN charges 0.70%/yr vs 0.68%/yr for OILK.

Performance

SRLN vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Blackstone Senior Loan ETF (SRLN) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, SRLN achieves a 0.68% return, which is significantly lower than OILK's 64.22% return.

SRLN

1D
-0.12%
1M
0.26%
YTD
0.68%
6M
1.43%
1Y
5.57%
3Y*
7.88%
5Y*
4.62%
10Y*
4.52%

OILK

1D
1.40%
1M
-1.65%
YTD
64.22%
6M
60.70%
1Y
58.99%
3Y*
19.03%
5Y*
17.73%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

SRLN vs. OILK - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SRLN
SPDR Blackstone Senior Loan ETF		0.68%6.77%8.43%11.62%-5.30%4.49%3.13%10.03%-0.66%3.39%
OILK
ProShares K-1 Free Crude Oil Strategy ETF		64.22%-11.86%8.18%-0.97%27.57%63.71%-61.09%30.48%-20.40%2.82%

Correlation

The correlation between SRLN and OILK is -0.18, 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

-0.18

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

0.02

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

0.14

Correlation (All Time)
Calculated using the full available price history since Sep 29, 2016

0.17

The correlation between SRLN and OILK shifts across timeframes, from -0.18 (1 year) to 0.17 (all time), reflecting how their relationship changes across market environments.

SRLN vs. OILK - Sectors Allocation Comparison

Sectors
SRLN
OILK

Communication Services

91.8%

-

Industrials

8.2%

-

Basic Materials

-

-

Consumer Cyclical

-

100.0%

Consumer Defensive

-

-

Energy

-

-

Financial Services

-

-

Healthcare

-

-

Real Estate

-

-

Technology

-

-

Utilities

-

-

Communication Services

SRLN
91.8%
OILK

-

Industrials

SRLN
8.2%
OILK

-

Basic Materials

SRLN

-

OILK

-

Consumer Cyclical

SRLN

-

OILK
100.0%

Consumer Defensive

SRLN

-

OILK

-

Energy

SRLN

-

OILK

-

Financial Services

SRLN

-

OILK

-

Healthcare

SRLN

-

OILK

-

Real Estate

SRLN

-

OILK

-

Technology

SRLN

-

OILK

-

Utilities

SRLN

-

OILK

-

Compare stocks, funds, or ETFs

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

SPDR Blackstone Senior Loan ETF

ProShares K-1 Free Crude Oil Strategy ETF

Often compared with SRLN:
SRLN vs. BKLNSRLN vs. HYBLSRLN vs. JBBBSRLN vs. SJNKSRLN vs. HYGSRLN vs. USHYSRLN vs. SEIX
Often compared with OILK:
OILK vs. USOOILK vs. GUSHOILK vs. DBOOILK vs. USOIOILK vs. WTMFOILK vs. AMOMOILK vs. REVS

Return for Risk

SRLN vs. OILK — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SRLN
SRLN Risk / Return Rank: 5252
Overall Rank
SRLN Sharpe Ratio Rank: 5656
Sharpe Ratio Rank
SRLN Sortino Ratio Rank: 5858
Sortino Ratio Rank
SRLN Omega Ratio Rank: 7272
Omega Ratio Rank
SRLN Calmar Ratio Rank: 3434
Calmar Ratio Rank
SRLN Martin Ratio Rank: 3939
Martin Ratio Rank
OILK
OILK Risk / Return Rank: 5555
Overall Rank
OILK Sharpe Ratio Rank: 6060
Sharpe Ratio Rank
OILK Sortino Ratio Rank: 5353
Sortino Ratio Rank
OILK Omega Ratio Rank: 5454
Omega Ratio Rank
OILK Calmar Ratio Rank: 6868
Calmar Ratio Rank
OILK Martin Ratio Rank: 4242
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.

SRLN vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Blackstone Senior Loan ETF (SRLN) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). 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.

SRLNOILKDifference
Sharpe ratioReturn per unit of total volatility
1.94
2.06

-0.13

Sortino ratioReturn per unit of downside risk
2.82
2.59

+0.24

Omega ratioGain probability vs. loss probability

1.44

1.34

+0.10

Calmar ratioReturn relative to maximum drawdown

1.71

3.42

-1.70

Martin ratioReturn relative to average drawdown

6.35

6.91

-0.56

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SRLN vs. OILK - Sharpe Ratio Comparison

The current SRLN Sharpe Ratio is 1.94, which is comparable to the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of SRLN and OILK, 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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Sharpe Ratios by Period

SRLNOILKDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.94

2.06

-0.13

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

1.19

0.59

+0.60

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.75

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.70

0.12

+0.58

Drawdowns

SRLN vs. OILK - Drawdown Comparison

The maximum SRLN drawdown since its inception was -22.29%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for SRLN and OILK.

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Drawdown Indicators

SRLNOILKDifference

Max Drawdown

Largest peak-to-trough decline

-22.29%

-83.76%

+61.47%

Max Drawdown (1Y)

Largest decline over 1 year

-3.26%

-17.35%

+14.09%

Max Drawdown (3Y)

Largest decline over 3 years

-4.26%

-23.42%

+19.16%

Max Drawdown (5Y)

Largest decline over 5 years

-7.93%

-34.69%

+26.76%

Max Drawdown (10Y)

Largest decline over 10 years

-22.29%

—

—

Current Drawdown

Current decline from peak

-0.12%

-3.66%

+3.54%

Average Drawdown

Average peak-to-trough decline

-1.10%

-32.61%

+31.51%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.88%

8.56%

-7.68%

Volatility

SRLN vs. OILK - Volatility Comparison

The current volatility for SPDR Blackstone Senior Loan ETF (SRLN) is 0.44%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that SRLN experiences smaller price fluctuations and is considered to be less risky than OILK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SRLNOILKDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.44%

10.44%

-10.00%

Volatility (6M)

Calculated over the trailing 6-month period

2.64%

23.26%

-20.62%

Volatility (1Y)

Calculated over the trailing 1-year period

2.89%

28.75%

-25.86%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

3.91%

30.12%

-26.21%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

6.06%

35.97%

-29.91%

SRLN vs. OILK - Expense Ratio Comparison

SRLN has a 0.70% expense ratio, which is higher than OILK's 0.68% expense ratio.

Dividends

SRLN vs. OILK - Dividend Comparison

SRLN's dividend yield for the trailing twelve months is around 7.49%, less than OILK's 8.18% yield.

PositionTTM20252024202320222021202020192018201720162015
OILK
ProShares K-1 Free Crude Oil Strategy ETF		8.18%4.79%3.11%5.80%17.32%68.82%0.13%0.94%0.58%6.17%0.00%0.00%
SRLN
SPDR Blackstone Senior Loan ETF		7.49%7.67%8.58%8.44%5.72%4.45%4.91%5.39%4.98%4.01%3.94%4.43%

Frequently Asked Questions

SRLN and OILK have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

OILK has higher volatility (10.44%) compared to SRLN (0.44%). In terms of maximum drawdown, SRLN dropped -22.29% vs OILK's -83.76%.

On 5-year performance, OILK leads with 17.73% vs 4.62% for SRLN. On fees, OILK is cheaper at 0.68% per year. On volatility, SRLN has been the lower-risk option at 0.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 5-year period, OILK has performed better with a 17.73% return vs 4.62%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

OILK is cheaper with a 0.68% expense ratio, compared with 0.70% for SRLN.

OILK has the higher dividend yield at 8.18%, compared with 7.49% for SRLN.

SRLN is categorized as High Yield Bonds, while OILK is Oil & Gas. SRLN tracks Markit iBoxx USD Liquid Leveraged Loan Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: State Street and ProShares. Their fees differ too: 0.70% for SRLN and 0.68% for OILK.

OILK currently has the higher Sharpe Ratio (2.06 vs 1.94), 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.

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