OLN vs. WLK
OLN (Olin Corporation) and WLK (Westlake Corporation) are both stocks. Both operate in the Specialty Chemicals industry within the Basic Materials sector. Over the past 10 years, OLN returned 2.18%/yr vs 7.68%/yr for WLK. A 0.63 correlation means they provide meaningful diversification when combined.
Performance
OLN vs. WLK - Performance Comparison
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Returns By Period
As of year-to-date, both investments have demonstrated similar returns, with OLN at 4.58% and WLK at 4.58%. Over the past 10 years, OLN has underperformed WLK with an annualized return of 2.18%, while WLK has yielded a comparatively higher 7.68% annualized return.
OLN
- 1D
- -0.37%
- 1M
- -17.56%
- YTD
- 4.58%
- 6M
- 6.42%
- 1Y
- 13.02%
- 3Y*
- -21.73%
- 5Y*
- -12.71%
- 10Y*
- 2.18%
WLK
- 1D
- -1.89%
- 1M
- -13.16%
- YTD
- 4.58%
- 6M
- 5.50%
- 1Y
- 6.72%
- 3Y*
- -10.42%
- 5Y*
- -1.83%
- 10Y*
- 7.68%
OLN vs. WLK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OLN Olin Corporation | 4.58% | -36.15% | -36.29% | 3.46% | -6.63% | 138.55% | 50.81% | -10.77% | -41.88% | 42.51% |
WLK Westlake Corporation | 4.58% | -33.77% | -16.90% | 38.23% | 6.81% | 20.53% | 18.52% | 7.72% | -37.27% | 92.39% |
Correlation
The correlation between OLN and WLK is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.77 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.74 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.73 |
Correlation (All Time) Calculated using the full available price history since Aug 11, 2004 | 0.63 |
The correlation between OLN and WLK shifts across timeframes, from 0.63 (all time) to 0.77 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
OLN:
$2.44B
WLK:
$9.79B
OLN:
-$1.11
WLK:
-$12.75
OLN:
0.37
WLK:
0.89
OLN:
1.41
WLK:
1.15
OLN:
$6.72B
WLK:
$10.98B
OLN:
$352.80M
WLK:
$169.00M
OLN:
$374.70M
WLK:
-$659.00M
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Return for Risk
OLN vs. WLK — Risk / Return Rank
OLN
WLK
OLN vs. WLK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Olin Corporation (OLN) and Westlake Corporation (WLK). 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.
| OLN | WLK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.09 | ||
| Sortino ratioReturn per unit of downside risk | +0.15 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.06 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 0.42 | 0.18 | +0.24 |
| Martin ratioReturn relative to average drawdown | 0.93 | 0.42 | +0.51 |
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Drawdowns
OLN vs. WLK - Drawdown Comparison
The maximum OLN drawdown since its inception was -73.80%, roughly equal to the maximum WLK drawdown of -75.16%. Use the drawdown chart below to compare losses from any high point for OLN and WLK.
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Drawdown Indicators
| OLN | WLK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -73.80% | -75.16% | +1.36% |
Max Drawdown (1Y)Largest decline over 1 year | -31.45% | -37.77% | +6.32% |
Max Drawdown (3Y)Largest decline over 3 years | -69.26% | -64.20% | -5.06% |
Max Drawdown (5Y)Largest decline over 5 years | -71.87% | -64.20% | -7.67% |
Max Drawdown (10Y)Largest decline over 10 years | -73.80% | -75.16% | +1.36% |
Current DrawdownCurrent decline from peak | -64.93% | -50.47% | -14.46% |
Average DrawdownAverage peak-to-trough decline | -24.99% | -26.24% | +1.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.04% | 16.13% | -2.09% |
Volatility
OLN vs. WLK - Volatility Comparison
Olin Corporation (OLN) has a higher volatility of 10.89% compared to Westlake Corporation (WLK) at 6.80%. This indicates that OLN's price experiences larger fluctuations and is considered to be riskier than WLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OLN | WLK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.89% | 6.80% | +4.09% |
Volatility (6M)Calculated over the trailing 6-month period | 39.25% | 32.88% | +6.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 55.95% | 46.84% | +9.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 44.94% | 36.96% | +7.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 47.14% | 39.35% | +7.79% |
Dividends
OLN vs. WLK - Dividend Comparison
OLN's dividend yield for the trailing twelve months is around 3.73%, more than WLK's 2.77% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OLN Olin Corporation | 3.73% | 3.84% | 2.37% | 1.48% | 1.51% | 1.39% | 3.26% | 4.64% | 3.98% | 2.25% | 3.12% | 4.63% |
WLK Westlake Corporation | 2.77% | 2.85% | 1.79% | 1.12% | 1.28% | 1.17% | 1.31% | 1.46% | 1.39% | 0.75% | 1.33% | 1.28% |
Financials
OLN vs. WLK - Financials Comparison
This section allows you to compare key financial metrics between Olin Corporation and Westlake Corporation. 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
OLN vs. WLK - Profitability Comparison
OLN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Olin Corporation reported a gross profit of 0.00 and revenue of 1.58B. Therefore, the gross margin over that period was 0.0%.
WLK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Westlake Corporation reported a gross profit of 112.00M and revenue of 2.65B. Therefore, the gross margin over that period was 4.2%.
OLN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Olin Corporation reported an operating income of -78.30M and revenue of 1.58B, resulting in an operating margin of -5.0%.
WLK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Westlake Corporation reported an operating income of -172.00M and revenue of 2.65B, resulting in an operating margin of -6.5%.
OLN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Olin Corporation reported a net income of -83.00M and revenue of 1.58B, resulting in a net margin of -5.2%.
WLK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Westlake Corporation reported a net income of -169.00M and revenue of 2.65B, resulting in a net margin of -6.4%.
Frequently Asked Questions
OLN and WLK have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OLN has higher volatility (10.89%) compared to WLK (6.80%). In terms of maximum drawdown, OLN dropped -73.80% vs WLK's -75.16%.
OLN currently has the higher Sharpe Ratio (0.23 vs 0.14), 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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