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SPOK vs. SCHX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between SPOK and SCHX is 0.36, 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.


-0.50.00.51.00.4

Performance

SPOK vs. SCHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Spok Holdings, Inc. (SPOK) and Schwab U.S. Large-Cap ETF (SCHX). The values are adjusted to include any dividend payments, if applicable.

-10.00%-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
3.54%
6.52%
SPOK
SCHX

Key characteristics

Sharpe Ratio

SPOK:

0.39

SCHX:

2.10

Sortino Ratio

SPOK:

0.74

SCHX:

2.78

Omega Ratio

SPOK:

1.10

SCHX:

1.39

Calmar Ratio

SPOK:

0.59

SCHX:

3.15

Martin Ratio

SPOK:

1.08

SCHX:

13.38

Ulcer Index

SPOK:

10.24%

SCHX:

2.01%

Daily Std Dev

SPOK:

28.59%

SCHX:

12.85%

Max Drawdown

SPOK:

-90.60%

SCHX:

-34.33%

Current Drawdown

SPOK:

-7.08%

SCHX:

-2.95%

Returns By Period

In the year-to-date period, SPOK achieves a -2.74% return, which is significantly lower than SCHX's 0.78% return. Over the past 10 years, SPOK has underperformed SCHX with an annualized return of 4.89%, while SCHX has yielded a comparatively higher 15.80% annualized return.


SPOK

YTD

-2.74%

1M

-6.75%

6M

2.82%

1Y

11.37%

5Y*

16.01%

10Y*

4.89%

SCHX

YTD

0.78%

1M

-1.98%

6M

7.27%

1Y

26.46%

5Y*

16.21%

10Y*

15.80%

*Annualized

Compare stocks, funds, or ETFs

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Risk-Adjusted Performance

SPOK vs. SCHX — Risk-Adjusted Performance Rank

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

SPOK
The Risk-Adjusted Performance Rank of SPOK is 6161
Overall Rank
The Sharpe Ratio Rank of SPOK is 6363
Sharpe Ratio Rank
The Sortino Ratio Rank of SPOK is 5555
Sortino Ratio Rank
The Omega Ratio Rank of SPOK is 5454
Omega Ratio Rank
The Calmar Ratio Rank of SPOK is 7272
Calmar Ratio Rank
The Martin Ratio Rank of SPOK is 6161
Martin Ratio Rank

SCHX
The Risk-Adjusted Performance Rank of SCHX is 8383
Overall Rank
The Sharpe Ratio Rank of SCHX is 8484
Sharpe Ratio Rank
The Sortino Ratio Rank of SCHX is 8282
Sortino Ratio Rank
The Omega Ratio Rank of SCHX is 8282
Omega Ratio Rank
The Calmar Ratio Rank of SCHX is 8383
Calmar Ratio Rank
The Martin Ratio Rank of SCHX is 8484
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.

SPOK vs. SCHX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Spok Holdings, Inc. (SPOK) and Schwab U.S. Large-Cap ETF (SCHX). 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.


Sharpe ratio
The chart of Sharpe ratio for SPOK, currently valued at 0.39, compared to the broader market-4.00-2.000.002.000.392.10
The chart of Sortino ratio for SPOK, currently valued at 0.74, compared to the broader market-4.00-2.000.002.004.000.742.78
The chart of Omega ratio for SPOK, currently valued at 1.09, compared to the broader market0.501.001.502.001.101.39
The chart of Calmar ratio for SPOK, currently valued at 0.59, compared to the broader market0.002.004.006.000.593.15
The chart of Martin ratio for SPOK, currently valued at 1.08, compared to the broader market-10.000.0010.0020.001.0813.38
SPOK
SCHX

The current SPOK Sharpe Ratio is 0.39, which is lower than the SCHX Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of SPOK and SCHX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
0.39
2.10
SPOK
SCHX

Dividends

SPOK vs. SCHX - Dividend Comparison

SPOK's dividend yield for the trailing twelve months is around 8.02%, more than SCHX's 2.35% yield.


TTM20242023202220212020201920182017201620152014
SPOK
Spok Holdings, Inc.
8.02%7.80%8.09%15.29%5.36%4.49%4.09%3.77%3.19%3.61%3.41%2.88%
SCHX
Schwab U.S. Large-Cap ETF
2.35%2.37%3.50%4.24%2.42%4.11%1.82%4.10%5.10%4.85%4.09%2.63%

Drawdowns

SPOK vs. SCHX - Drawdown Comparison

The maximum SPOK drawdown since its inception was -90.60%, which is greater than SCHX's maximum drawdown of -34.33%. Use the drawdown chart below to compare losses from any high point for SPOK and SCHX. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-7.08%
-2.95%
SPOK
SCHX

Volatility

SPOK vs. SCHX - Volatility Comparison

Spok Holdings, Inc. (SPOK) has a higher volatility of 6.55% compared to Schwab U.S. Large-Cap ETF (SCHX) at 4.67%. This indicates that SPOK's price experiences larger fluctuations and is considered to be riskier than SCHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%12.00%AugustSeptemberOctoberNovemberDecember2025
6.55%
4.67%
SPOK
SCHX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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