NPKI vs. URI
NPKI (NPK International Inc) and URI (United Rentals, Inc.) are both stocks. NPKI operates in Oil & Gas Equipment & Services (Energy), while URI operates in Rental & Leasing Services (Industrials). Over the past 10 years, NPKI returned 7.19%/yr vs 30.98%/yr for URI. Their 0.35 correlation means their historical movements had little consistent relationship.
Performance
NPKI vs. URI - Performance Comparison
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Returns By Period
In the year-to-date period, NPKI achieves a 4.78% return, which is significantly lower than URI's 33.93% return. Over the past 10 years, NPKI has underperformed URI with an annualized return of 7.19%, while URI has yielded a comparatively higher 30.98% annualized return.
NPKI
- 1D
- 0.24%
- 1M
- -12.72%
- 6M
- -9.56%
- YTD
- 4.78%
- 1Y
- 43.40%
- 3Y*
- 30.89%
- 5Y*
- 31.06%
- 10Y*
- 7.19%
- ALL TIME*
- 5.04%
URI
- 1D
- 0.99%
- 1M
- -1.76%
- 6M
- 38.60%
- YTD
- 33.93%
- 1Y
- 26.61%
- 3Y*
- 32.82%
- 5Y*
- 27.70%
- 10Y*
- 30.98%
- ALL TIME*
- 16.40%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $12.78M | $12.49M | $14.68M | |
| $657.99M | $528.19M | $532.87M |
NPKI vs. URI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NPKI NPK International Inc | 4.78% | 55.41% | 15.51% | 60.00% | 41.16% | 53.12% | -69.38% | -8.73% | -20.12% | 14.67% |
URI United Rentals, Inc. | 33.93% | 15.92% | 23.97% | 63.62% | 6.96% | 43.28% | 39.06% | 62.65% | -40.36% | 62.82% |
Correlation
The correlation between NPKI and URI is 0.34, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.34 |
Correlation (3Y) Balances recent behavior with more history. | 0.38 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.40 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.40 |
Correlation (All Time) Calculated using the full available price history since Dec 18, 1997 | 0.35 |
Fundamentals
NPKI:
$1.05B
URI:
$67.18B
NPKI:
$0.45
URI:
$55.11
NPKI:
27.54
URI:
19.58
NPKI:
1.32
URI:
0.93
NPKI:
3.55
URI:
3.07
NPKI:
$300.69M
URI:
$16.83B
NPKI:
$106.08M
URI:
$6.24B
NPKI:
$57.53M
URI:
$6.06B
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Return for Risk
NPKI vs. URI — Risk / Return Rank
NPKI
URI
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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| NPKI | URI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.43 | ||
| Sortino ratioReturn per unit of downside risk | +0.28 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.15 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.47 | 0.78 | +0.69 |
| Martin ratioReturn relative to average drawdown | 5.19 | 1.66 | +3.54 |
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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.
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Drawdown Indicators
| NPKI | URI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.22% | -93.69% | -3.53% |
Max Drawdown (1Y)Largest decline over 1 year | -26.30% | -30.04% | +3.74% |
Max Drawdown (3Y)Largest decline over 3 years | -42.11% | -37.03% | -5.08% |
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 DrawdownCurrent decline from peak | -48.09% | -5.46% | -42.63% |
Average DrawdownAverage peak-to-trough decline | -60.01% | -36.39% | -23.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.43% | 14.07% | -6.64% |
Volatility
NPKI vs. URI - Volatility Comparison
NPK International Inc (NPKI) and United Rentals, Inc. (URI) have volatilities of 13.56% and 13.55%, 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.
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Volatility by Period
| NPKI | URI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.56% | 13.55% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 31.35% | 33.34% | -1.99% |
Volatility (1Y)Calculated over the trailing 1-year period | 39.65% | 42.83% | -3.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 49.24% | 39.15% | +10.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 62.16% | 42.28% | +19.88% |
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 0.70%.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
NPKI NPK International Inc | 0.00% | 0.00% | 0.00% | 0.00% |
URI United Rentals, Inc. | 0.70% | 0.88% | 0.93% | 1.03% |
Financials
NPKI vs. URI - Financials Comparison
This section allows you to compare key financial metrics between NPK International Inc and United Rentals, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
NPKI vs. URI - Profitability Comparison
NPKI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, NPK International Inc reported a gross profit of 30.16M and revenue of 81.59M. Therefore, the gross margin over that period was 37.0%.
URI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, United Rentals, Inc. reported a gross profit of 1.73B and revenue of 4.41B. Therefore, the gross margin over that period was 39.3%.
NPKI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, NPK International Inc reported an operating income of -91.00K and revenue of 81.59M, resulting in an operating margin of -0.1%.
URI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, United Rentals, Inc. reported an operating income of 1.14B and revenue of 4.41B, resulting in an operating margin of 25.8%.
NPKI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, NPK International Inc reported a net income of 11.97M and revenue of 81.59M, resulting in a net margin of 14.7%.
URI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, United Rentals, Inc. reported a net income of 753.00M and revenue of 4.41B, resulting in a net margin of 17.1%.
Frequently Asked Questions
NPKI and URI have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NPKI has higher volatility (13.56%) compared to URI (13.55%). In terms of maximum drawdown, NPKI dropped -97.22% vs URI's -93.69%.
NPKI currently has the higher Sharpe Ratio (0.97 vs 0.55), 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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