PRT vs. CL=F

Last updated Jun 4, 2026

PRT (PermRock Royalty Trust) is a stock, while CL=F (Crude Oil WTI) is an asset. Over the past 5 years, PRT returned -12.84%/yr vs 6.75%/yr for CL=F. At a 0.32 correlation, their price movements are largely independent.

Performance

PRT vs. CL=F - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PermRock Royalty Trust (PRT) and Crude Oil WTI (CL=F). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRT achieves a -23.88% return, which is significantly lower than CL=F's 67.54% return.

PRT

• 1D: -1.41%
• 1M: -25.43%
• YTD: -23.88%
• 6M: -44.67%
• 1Y: -43.10%
• 3Y*: -15.18%
• 5Y*: -12.84%
• 10Y*: —

CL=F

• 1D: 2.60%
• 1M: -9.60%
• YTD: 67.54%
• 6M: 63.19%
• 1Y: 51.71%
• 3Y*: 10.22%
• 5Y*: 6.75%
• 10Y*: 7.06%

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

PRT vs. CL=F - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PRT PermRock Royalty Trust	-23.88%	-12.79%	-11.58%	-37.64%	24.09%	194.55%	-49.26%	-0.27%	-57.76%
CL=F Crude Oil WTI	67.54%	-19.41%	-0.82%	-10.70%	7.44%	53.98%	-19.98%	32.92%	-32.54%

Correlation

The correlation between PRT and CL=F is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (All Time) Calculated using the full available price history since May 3, 2018	0.32

The correlation between PRT and CL=F shifts across timeframes, from 0.21 (3 years) to 0.36 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PRT vs. CL=F — Risk / Return Rank

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

PRT

PRT Risk / Return Rank: 4
PRT Sharpe Ratio Rank: 2
PRT Sortino Ratio Rank: 4
PRT Omega Ratio Rank: 4
PRT Calmar Ratio Rank: 10
PRT Martin Ratio Rank: 0

CL=F

CL=F Risk / Return Rank: 35
CL=F Sharpe Ratio Rank: 35
CL=F Sortino Ratio Rank: 38
CL=F Omega Ratio Rank: 30
CL=F Calmar Ratio Rank: 50
CL=F Martin Ratio Rank: 22

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.

PRT vs. CL=F - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PermRock Royalty Trust (PRT) and Crude Oil WTI (CL=F). 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.

	PRT	CL=F	Difference
Sharpe ratio Return per unit of total volatility	-1.20	0.93	-2.14
Sortino ratio Return per unit of downside risk	-1.75	1.42	-3.17
Omega ratio Gain probability vs. loss probability	0.77	1.22	-0.44
Calmar ratio Return relative to maximum drawdown	-0.81	1.70	-2.50
Martin ratio Return relative to average drawdown	-2.43	2.77	-5.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRT vs. CL=F - Sharpe Ratio Comparison

The current PRT Sharpe Ratio is -1.20, which is lower than the CL=F Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of PRT and CL=F, 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

	PRT	CL=F	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.20	0.93	-2.14
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.31	0.16	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.14	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.24	0.07	-0.30

Drawdowns

PRT vs. CL=F - Drawdown Comparison

The maximum PRT drawdown since its inception was -91.42%, roughly equal to the maximum CL=F drawdown of -92.04%. Use the drawdown chart below to compare losses from any high point for PRT and CL=F.

Drawdown Indicators

	PRT	CL=F	Difference
Max Drawdown Largest peak-to-trough decline	-91.42%	-92.04%	+0.62%
Max Drawdown (1Y) Largest decline over 1 year	-53.54%	-27.07%	-26.47%
Max Drawdown (3Y) Largest decline over 3 years	-66.13%	-39.46%	-26.67%
Max Drawdown (5Y) Largest decline over 5 years	-74.28%	-53.86%	-20.42%
Max Drawdown (10Y) Largest decline over 10 years	—	-84.82%	—
Current Drawdown Current decline from peak	-73.87%	-33.79%	-40.08%
Average Drawdown Average peak-to-trough decline	-48.92%	-40.81%	-8.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.72%	12.27%	+5.45%

Volatility

PRT vs. CL=F - Volatility Comparison

PermRock Royalty Trust (PRT) and Crude Oil WTI (CL=F) have volatilities of 16.81% and 17.01%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRT	CL=F	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.81%	17.01%	-0.20%
Volatility (6M) Calculated over the trailing 6-month period	34.14%	46.49%	-12.35%
Volatility (1Y) Calculated over the trailing 1-year period	35.92%	49.26%	-13.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.16%	38.90%	+2.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.36%	49.55%	+10.81%

Frequently Asked Questions

Can I hold both PRT and CL=F in my portfolio?

PRT and CL=F have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRT or CL=F?

CL=F has higher volatility (17.01%) compared to PRT (16.81%). In terms of maximum drawdown, PRT dropped -91.42% vs CL=F's -92.04%.

Which has better risk-adjusted returns?

CL=F currently has the higher Sharpe Ratio (0.93 vs -1.20), 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.