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PTSI vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PTSI and SPY is 0.22, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

PTSI vs. SPY

Last updated Jun 1, 2025

Compare and contrast key facts about P.A.M. Transportation Services, Inc. (PTSI) and SPDR S&P 500 ETF (SPY).

SPY is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Jan 22, 1993.

Scroll down to visually compare performance, riskiness, drawdowns, and other indicators and decide which better suits your portfolio: PTSI or SPY.

Performance

PTSI vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in P.A.M. Transportation Services, Inc. (PTSI) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

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Key characteristics

Returns By Period

PTSI

YTD

N/A

1M

N/A

6M

N/A

1Y

N/A

3Y*

N/A

5Y*

N/A

10Y*

N/A

SPY

YTD

0.87%

1M

5.54%

6M

-1.56%

1Y

13.18%

3Y*

14.25%

5Y*

15.81%

10Y*

12.73%

*Annualized

Compare stocks, funds, or ETFs

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P.A.M. Transportation Services, Inc.

SPDR S&P 500 ETF

Go deeper with the Portfolio Analysis tool — backtest performance, assess risk, compare to benchmarks, and more

Risk-Adjusted Performance

PTSI vs. SPY — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
PTSI
The Risk-Adjusted Performance Rank of PTSI is 5454
Overall Rank
The Sharpe Ratio Rank of PTSI is 5555
Sharpe Ratio Rank
The Sortino Ratio Rank of PTSI is 5555
Sortino Ratio Rank
The Omega Ratio Rank of PTSI is 5151
Omega Ratio Rank
The Calmar Ratio Rank of PTSI is 5656
Calmar Ratio Rank
The Martin Ratio Rank of PTSI is 5454
Martin Ratio Rank
SPY
The Risk-Adjusted Performance Rank of SPY is 6262
Overall Rank
The Sharpe Ratio Rank of SPY is 6060
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 5959
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 6262
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 6565
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 6363
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

PTSI vs. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for P.A.M. Transportation Services, Inc. (PTSI) and SPDR S&P 500 ETF (SPY). 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.

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Go to the full Sharpe Ratio tool to analyze any stock or portfolio. Customize time frames, set your own risk-free rate, and more

Dividends

PTSI vs. SPY - Dividend Comparison

PTSI has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.22%.

TTM20242023202220212020201920182017201620152014
PTSI
P.A.M. Transportation Services, Inc.		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
SPY
SPDR S&P 500 ETF		1.22%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

PTSI vs. SPY - Drawdown Comparison

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Go to the full Drawdowns tool for more analysis options, including inflation-adjusted drawdowns, and more

Volatility

PTSI vs. SPY - Volatility Comparison

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