KOP vs. NAT
KOP (Koppers Holdings Inc.) and NAT (Nordic American Tankers Limited) are both stocks. KOP operates in Specialty Chemicals (Basic Materials), while NAT operates in Marine Shipping (Industrials). Over the past 10 years, KOP returned 5.38%/yr vs 2.32%/yr for NAT. Their 0.29 correlation means their historical movements had little consistent relationship.
Performance
KOP vs. NAT - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, KOP achieves a 81.85% return, which is significantly lower than NAT's 104.18% return. Over the past 10 years, KOP has outperformed NAT with an annualized return of 5.38%, while NAT has yielded a comparatively lower 2.32% annualized return.
KOP
- 1D
- 0.08%
- 1M
- 6.08%
- 6M
- 67.15%
- YTD
- 81.85%
- 1Y
- 55.26%
- 3Y*
- 9.19%
- 5Y*
- 10.59%
- 10Y*
- 5.38%
- ALL TIME*
- 7.60%
NAT
- 1D
- -1.95%
- 1M
- 12.39%
- 6M
- 68.84%
- YTD
- 104.18%
- 1Y
- 172.95%
- 3Y*
- 28.45%
- 5Y*
- 32.03%
- 10Y*
- 2.32%
- ALL TIME*
- 7.30%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $7.20M | $7.53M | $7.98M | |
| $23.13M | $20.86M | $22.82M |
KOP vs. NAT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
KOP Koppers Holdings Inc. | 81.85% | -15.52% | -36.33% | 82.84% | -9.24% | 0.45% | -18.47% | 124.30% | -66.52% | 26.30% |
NAT Nordic American Tankers Limited | 104.18% | 54.57% | -33.63% | 55.83% | 87.90% | -41.48% | -32.82% | 156.48% | -13.56% | -68.39% |
Correlation
The correlation between KOP and NAT is 0.22, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.22 |
Correlation (3Y) Balances recent behavior with more history. | 0.17 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.21 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.24 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2006 | 0.29 |
The correlation between KOP and NAT shifts across timeframes, from 0.17 (3 years) to 0.29 (all time), reflecting how their relationship changes across market environments.
Fundamentals
KOP:
$942.74M
NAT:
$1.38B
KOP:
$3.80
NAT:
$0.26
KOP:
12.89
NAT:
25.46
KOP:
0.53
NAT:
4.14
KOP:
1.80
NAT:
3.03
KOP:
$1.88B
NAT:
$334.09M
KOP:
$287.50M
NAT:
$97.31M
KOP:
$260.13M
NAT:
$132.71M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
KOP vs. NAT — Risk / Return Rank
KOP
NAT
KOP vs. NAT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Koppers Holdings Inc. (KOP) and Nordic American Tankers Limited (NAT). 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.
| KOP | NAT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.03 | ||
| Sortino ratioReturn per unit of downside risk | -2.94 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.58 | -0.33 |
| Calmar ratioReturn relative to maximum drawdown | 2.47 | 9.22 | -6.75 |
| Martin ratioReturn relative to average drawdown | 4.81 | 27.48 | -22.66 |
Loading charts...
Drawdowns
KOP vs. NAT - Drawdown Comparison
The maximum KOP drawdown since its inception was -83.71%, smaller than the maximum NAT drawdown of -90.20%. Use the drawdown chart below to compare losses from any high point for KOP and NAT.
Loading charts...
Drawdown Indicators
| KOP | NAT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.71% | -90.20% | +6.49% |
Max Drawdown (1Y)Largest decline over 1 year | -20.58% | -18.45% | -2.13% |
Max Drawdown (3Y)Largest decline over 3 years | -58.44% | -46.31% | -12.13% |
Max Drawdown (5Y)Largest decline over 5 years | -58.44% | -50.77% | -7.67% |
Max Drawdown (10Y)Largest decline over 10 years | -83.71% | -83.75% | +0.04% |
Current DrawdownCurrent decline from peak | -12.21% | -27.96% | +15.75% |
Average DrawdownAverage peak-to-trough decline | -31.47% | -43.94% | +12.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.56% | 6.18% | +4.38% |
Volatility
KOP vs. NAT - Volatility Comparison
The current volatility for Koppers Holdings Inc. (KOP) is 7.94%, while Nordic American Tankers Limited (NAT) has a volatility of 11.11%. This indicates that KOP experiences smaller price fluctuations and is considered to be less risky than NAT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| KOP | NAT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.94% | 11.11% | -3.17% |
Volatility (6M)Calculated over the trailing 6-month period | 26.37% | 31.15% | -4.78% |
Volatility (1Y)Calculated over the trailing 1-year period | 37.21% | 38.71% | -1.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 38.18% | 51.34% | -13.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 48.74% | 58.16% | -9.42% |
Dividends
KOP vs. NAT - Dividend Comparison
KOP's dividend yield for the trailing twelve months is around 0.69%, less than NAT's 9.49% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
KOP Koppers Holdings Inc. | 0.69% | 1.18% | 0.86% | 0.47% | 0.71% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
NAT Nordic American Tankers Limited | 9.49% | 10.47% | 16.00% | 11.67% | 3.59% | 3.55% | 15.25% | 2.03% | 8.00% | 21.54% | 16.31% | 8.88% |
Financials
KOP vs. NAT - Financials Comparison
This section allows you to compare key financial metrics between Koppers Holdings Inc. and Nordic American Tankers Limited. 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
KOP vs. NAT - Profitability Comparison
KOP - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Koppers Holdings Inc. reported a gross profit of 0.00 and revenue of 455.30M. Therefore, the gross margin over that period was 0.0%.
NAT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Nordic American Tankers Limited reported a gross profit of 47.64M and revenue of 106.46M. Therefore, the gross margin over that period was 44.8%.
KOP - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Koppers Holdings Inc. reported an operating income of 22.00M and revenue of 455.30M, resulting in an operating margin of 4.8%.
NAT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Nordic American Tankers Limited reported an operating income of 38.36M and revenue of 106.46M, resulting in an operating margin of 36.0%.
KOP - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Koppers Holdings Inc. reported a net income of 7.10M and revenue of 455.30M, resulting in a net margin of 1.6%.
NAT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Nordic American Tankers Limited reported a net income of 46.29M and revenue of 106.46M, resulting in a net margin of 43.5%.
Frequently Asked Questions
KOP and NAT 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.
NAT has higher volatility (11.11%) compared to KOP (7.94%). In terms of maximum drawdown, KOP dropped -83.71% vs NAT's -90.20%.
NAT currently has the higher Sharpe Ratio (4.39 vs 1.37), 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.
Find the right allocation for KOP and NAT
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer