PKOH vs. KOP
PKOH (Park-Ohio Holdings Corp.) and KOP (Koppers Holdings Inc.) are both stocks. PKOH operates in Specialty Industrial Machinery (Industrials), while KOP operates in Specialty Chemicals (Basic Materials). Over the past 10 years, PKOH returned 4.89%/yr vs 5.38%/yr for KOP. Their 0.41 correlation means their historical movements had little consistent relationship.
Performance
PKOH vs. KOP - Performance Comparison
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Returns By Period
In the year-to-date period, PKOH achieves a 93.09% return, which is significantly higher than KOP's 81.85% return. Over the past 10 years, PKOH has underperformed KOP with an annualized return of 4.89%, while KOP has yielded a comparatively higher 5.38% annualized return.
PKOH
- 1D
- 1.54%
- 1M
- 10.35%
- 6M
- 79.22%
- YTD
- 93.09%
- 1Y
- 161.47%
- 3Y*
- 29.62%
- 5Y*
- 9.33%
- 10Y*
- 4.89%
- ALL TIME*
- 5.88%
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%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $7.20M | $7.53M | $7.98M | |
| $2.67M | $2.76M | $2.88M |
PKOH vs. KOP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PKOH Park-Ohio Holdings Corp. | 93.09% | -18.27% | -0.78% | 127.07% | -40.25% | -30.26% | -7.34% | 11.39% | -32.36% | 9.23% |
KOP Koppers Holdings Inc. | 81.85% | -15.52% | -36.33% | 82.84% | -9.24% | 0.45% | -18.47% | 124.30% | -66.52% | 26.30% |
Correlation
The correlation between PKOH and KOP is 0.35, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.35 |
Correlation (3Y) Balances recent behavior with more history. | 0.44 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.40 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.43 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2006 | 0.41 |
Fundamentals
PKOH:
$574.92M
KOP:
$942.74M
PKOH:
$1.68
KOP:
$3.80
PKOH:
23.74
KOP:
12.89
PKOH:
0.35
KOP:
0.53
PKOH:
1.48
KOP:
1.80
PKOH:
$1.61B
KOP:
$1.88B
PKOH:
$203.10M
KOP:
$287.50M
PKOH:
$105.30M
KOP:
$260.13M
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Return for Risk
PKOH vs. KOP — Risk / Return Rank
PKOH
KOP
PKOH vs. KOP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Park-Ohio Holdings Corp. (PKOH) and Koppers Holdings Inc. (KOP). 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.
| PKOH | KOP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.04 | ||
| Sortino ratioReturn per unit of downside risk | +1.96 | ||
| Omega ratioGain probability vs. loss probability | 1.47 | 1.25 | +0.22 |
| Calmar ratioReturn relative to maximum drawdown | 8.53 | 2.47 | +6.05 |
| Martin ratioReturn relative to average drawdown | 20.19 | 4.81 | +15.37 |
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Drawdowns
PKOH vs. KOP - Drawdown Comparison
The maximum PKOH drawdown since its inception was -94.23%, which is greater than KOP's maximum drawdown of -83.71%. Use the drawdown chart below to compare losses from any high point for PKOH and KOP.
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Drawdown Indicators
| PKOH | KOP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.23% | -83.71% | -10.52% |
Max Drawdown (1Y)Largest decline over 1 year | -17.69% | -20.58% | +2.89% |
Max Drawdown (3Y)Largest decline over 3 years | -52.46% | -58.44% | +5.98% |
Max Drawdown (5Y)Largest decline over 5 years | -66.92% | -58.44% | -8.48% |
Max Drawdown (10Y)Largest decline over 10 years | -78.55% | -83.71% | +5.16% |
Current DrawdownCurrent decline from peak | -23.54% | -12.21% | -11.33% |
Average DrawdownAverage peak-to-trough decline | -44.41% | -31.47% | -12.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.47% | 10.56% | -3.09% |
Volatility
PKOH vs. KOP - Volatility Comparison
Park-Ohio Holdings Corp. (PKOH) has a higher volatility of 10.98% compared to Koppers Holdings Inc. (KOP) at 7.94%. This indicates that PKOH's price experiences larger fluctuations and is considered to be riskier than KOP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PKOH | KOP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.98% | 7.94% | +3.04% |
Volatility (6M)Calculated over the trailing 6-month period | 30.11% | 26.37% | +3.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.24% | 37.21% | +7.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 51.30% | 38.18% | +13.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 51.56% | 48.74% | +2.82% |
Dividends
PKOH vs. KOP - Dividend Comparison
PKOH's dividend yield for the trailing twelve months is around 1.57%, more than KOP's 0.69% 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% |
PKOH Park-Ohio Holdings Corp. | 1.25% | 2.39% | 1.90% | 1.85% | 4.09% | 2.36% | 0.81% | 1.49% | 1.63% | 1.09% | 1.17% | 1.36% |
Financials
PKOH vs. KOP - Financials Comparison
This section allows you to compare key financial metrics between Park-Ohio Holdings Corp. and Koppers Holdings 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
PKOH vs. KOP - Profitability Comparison
PKOH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Park-Ohio Holdings Corp. reported a gross profit of 0.00 and revenue of 421.00M. Therefore, the gross margin over that period was 0.0%.
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%.
PKOH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Park-Ohio Holdings Corp. reported an operating income of 19.70M and revenue of 421.00M, resulting in an operating margin of 4.7%.
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%.
PKOH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Park-Ohio Holdings Corp. reported a net income of 8.10M and revenue of 421.00M, resulting in a net margin of 1.9%.
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%.
Frequently Asked Questions
PKOH and KOP have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PKOH has higher volatility (10.98%) compared to KOP (7.94%). In terms of maximum drawdown, PKOH dropped -94.23% vs KOP's -83.71%.
PKOH currently has the higher Sharpe Ratio (3.41 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.
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