NPKI vs. URI

Last updated Apr 1, 2026

Compare and contrast key facts about NPK International Inc (NPKI) and United Rentals, Inc. (URI).

Performance

NPKI vs. URI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in NPK International Inc (NPKI) and United Rentals, Inc. (URI). The values are adjusted to include any dividend payments, if applicable.

NPKI vs. URI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NPKI NPK International Inc	21.56%	55.41%	15.51%	60.00%	41.16%	53.12%	-69.38%	-8.73%	-20.12%	14.67%
URI United Rentals, Inc.	-9.78%	15.92%	23.97%	63.62%	6.96%	43.28%	39.06%	62.65%	-40.36%	62.82%

Fundamentals

Market Cap NPKI : $1.24B URI : $46.34B
EPS NPKI : $0.43 URI : $38.80
PE Ratio NPKI : 33.66 URI : 18.78
PEG Ratio NPKI : 1.51 URI : 0.90
PS Ratio NPKI : 4.47 URI : 2.91
PB Ratio NPKI : 3.54 URI : 5.17
Total Revenue (TTM) NPKI : $277.04M URI : $16.10B
Gross Profit (TTM) NPKI : $100.76M URI : $5.71B
EBITDA (TTM) NPKI : $46.73M URI : $6.48B

Returns By Period

In the year-to-date period, NPKI achieves a 21.56% return, which is significantly higher than URI's -9.78% return. Over the past 10 years, NPKI has underperformed URI with an annualized return of 13.05%, while URI has yielded a comparatively higher 28.63% annualized return.

NPKI

• 1D: 1.83%
• 1M: 0.42%
• YTD: 21.56%
• 6M: 28.12%
• 1Y: 149.40%
• 3Y*: 55.55%
• 5Y*: 34.03%
• 10Y*: 13.05%

URI

• 1D: 2.06%
• 1M: -13.27%
• YTD: -9.78%
• 6M: -23.35%
• 1Y: 17.28%
• 3Y*: 23.83%
• 5Y*: 17.85%
• 10Y*: 28.63%

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

Return for Risk

NPKI vs. URI — Risk / Return Rank

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

NPKI

NPKI Risk / Return Rank: 97
NPKI Sharpe Ratio Rank: 97
NPKI Sortino Ratio Rank: 96
NPKI Omega Ratio Rank: 95
NPKI Calmar Ratio Rank: 97
NPKI Martin Ratio Rank: 98

URI

URI Risk / Return Rank: 55
URI Sharpe Ratio Rank: 58
URI Sortino Ratio Rank: 53
URI Omega Ratio Rank: 54
URI Calmar Ratio Rank: 56
URI Martin Ratio Rank: 56

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.

NPKI vs. URI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for NPK International Inc (NPKI) and United Rentals, Inc. (URI). 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.

	NPKI	URI	Difference
Sharpe ratio Return per unit of total volatility	3.22	0.44	+2.78
Sortino ratio Return per unit of downside risk	3.90	0.88	+3.02
Omega ratio Gain probability vs. loss probability	1.53	1.12	+0.41
Calmar ratio Return relative to maximum drawdown	7.28	0.57	+6.71
Martin ratio Return relative to average drawdown	23.39	1.34	+22.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NPKI vs. URI - Sharpe Ratio Comparison

The current NPKI Sharpe Ratio is 3.22, which is higher than the URI Sharpe Ratio of 0.44. The chart below compares the historical Sharpe Ratios of NPKI and URI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NPKI	URI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.22	0.44	+2.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	0.48	+0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.21	0.69	-0.48
Sharpe Ratio (All Time) Calculated using the full available price history	0.09	0.29	-0.20

Correlation

The correlation between NPKI and URI is 0.35, 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.

Dividends

NPKI vs. URI - Dividend Comparison

NPKI has not paid dividends to shareholders, while URI's dividend yield for the trailing twelve months is around 1.01%.

	TTM	2025	2024	2023
NPKI NPK International Inc	0.00%	0.00%	0.00%	0.00%
URI United Rentals, Inc.	1.01%	0.88%	0.93%	1.03%

Drawdowns

NPKI vs. URI - Drawdown Comparison

The maximum NPKI drawdown since its inception was -97.22%, roughly equal to the maximum URI drawdown of -93.69%. Use the drawdown chart below to compare losses from any high point for NPKI and URI.

Drawdown Indicators

	NPKI	URI	Difference
Max Drawdown Largest peak-to-trough decline	-97.22%	-93.69%	-3.53%
Max Drawdown (1Y) Largest decline over 1 year	-20.16%	-30.04%	+9.88%
Max Drawdown (5Y) Largest decline over 5 years	-49.37%	-39.96%	-9.41%
Max Drawdown (10Y) Largest decline over 10 years	-94.07%	-63.26%	-30.81%
Current Drawdown Current decline from peak	-39.78%	-28.26%	-11.52%
Average Drawdown Average peak-to-trough decline	-60.22%	-36.74%	-23.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.28%	12.74%	-6.46%

Volatility

NPKI vs. URI - Volatility Comparison

NPK International Inc (NPKI) and United Rentals, Inc. (URI) have volatilities of 11.94% and 11.55%, 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

	NPKI	URI	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.94%	11.55%	+0.39%
Volatility (6M) Calculated over the trailing 6-month period	27.33%	28.29%	-0.96%
Volatility (1Y) Calculated over the trailing 1-year period	46.66%	39.13%	+7.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.84%	37.56%	+13.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.73%	41.87%	+20.86%

Financials

NPKI vs. URI - Profitability Comparison

The chart below illustrates the profitability comparison between NPK International Inc and United Rentals, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

NPKI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, NPK International Inc reported a gross profit of 28.36M and revenue of 75.20M. Therefore, the gross margin over that period was 37.7%.

URI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, United Rentals, Inc. reported a gross profit of 1.48B and revenue of 4.21B. Therefore, the gross margin over that period was 35.2%.

NPKI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, NPK International Inc reported an operating income of 12.99M and revenue of 75.20M, resulting in an operating margin of 17.3%.

URI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, United Rentals, Inc. reported an operating income of 1.05B and revenue of 4.21B, resulting in an operating margin of 25.0%.

NPKI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, NPK International Inc reported a net income of 12.43M and revenue of 75.20M, resulting in a net margin of 16.5%.

URI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, United Rentals, Inc. reported a net income of 653.00M and revenue of 4.21B, resulting in a net margin of 15.5%.