CWT vs. GPC
CWT (California Water Service Group) and GPC (Genuine Parts Company) are both stocks. CWT operates in Utilities - Regulated Water (Utilities), while GPC operates in Specialty Retail (Consumer Cyclical). Over the past 10 years, CWT returned 5.57%/yr vs 3.83%/yr for GPC. At a 0.25 correlation, their price movements are largely independent.
Performance
CWT vs. GPC - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CWT achieves a 6.79% return, which is significantly higher than GPC's -13.92% return. Over the past 10 years, CWT has outperformed GPC with an annualized return of 5.57%, while GPC has yielded a comparatively lower 3.83% annualized return.
CWT
- 1D
- 0.49%
- 1M
- 7.30%
- YTD
- 6.79%
- 6M
- 4.76%
- 1Y
- 1.17%
- 3Y*
- -3.04%
- 5Y*
- -2.91%
- 10Y*
- 5.57%
GPC
- 1D
- 1.46%
- 1M
- 12.93%
- YTD
- -13.92%
- 6M
- -19.54%
- 1Y
- -10.20%
- 3Y*
- -10.53%
- 5Y*
- -1.48%
- 10Y*
- 3.83%
CWT vs. GPC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CWT California Water Service Group | 6.79% | -1.81% | -10.64% | -12.83% | -14.13% | 35.05% | 6.68% | 9.85% | 7.06% | 36.39% |
GPC Genuine Parts Company | -13.92% | 8.70% | -13.22% | -18.12% | 26.82% | 43.39% | -2.19% | 14.05% | 4.11% | 2.45% |
Correlation
The correlation between CWT and GPC is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.15 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.25 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.28 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990 | 0.25 |
The correlation between CWT and GPC shifts across timeframes, from 0.15 (1 year) to 0.29 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
CWT:
$2.72B
GPC:
$14.32B
CWT:
$1.99
GPC:
$0.43
CWT:
22.87
GPC:
239.81
CWT:
2.69
GPC:
0.58
CWT:
1.52
GPC:
3.20
CWT:
$1.01B
GPC:
$24.70B
CWT:
$366.63M
GPC:
$8.93B
CWT:
$329.51M
GPC:
$760.95M
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
CWT vs. GPC — Risk / Return Rank
CWT
GPC
CWT vs. GPC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for California Water Service Group (CWT) and Genuine Parts Company (GPC). 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.
| CWT | GPC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.43 | ||
| Sortino ratioReturn per unit of downside risk | +0.58 | ||
| Omega ratioGain probability vs. loss probability | 1.02 | 0.95 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 0.03 | -0.32 | +0.35 |
| Martin ratioReturn relative to average drawdown | 0.05 | -0.70 | +0.75 |
Loading charts...
Drawdowns
CWT vs. GPC - Drawdown Comparison
The maximum CWT drawdown since its inception was -38.21%, smaller than the maximum GPC drawdown of -54.89%. Use the drawdown chart below to compare losses from any high point for CWT and GPC.
Loading charts...
Drawdown Indicators
| CWT | GPC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.21% | -54.89% | +16.68% |
Max Drawdown (1Y)Largest decline over 1 year | -14.59% | -37.48% | +22.89% |
Max Drawdown (3Y)Largest decline over 3 years | -24.13% | -40.81% | +16.68% |
Max Drawdown (5Y)Largest decline over 5 years | -38.21% | -45.70% | +7.49% |
Max Drawdown (10Y)Largest decline over 10 years | -38.21% | -54.89% | +16.68% |
Current DrawdownCurrent decline from peak | -29.87% | -38.41% | +8.54% |
Average DrawdownAverage peak-to-trough decline | -11.70% | -10.30% | -1.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.73% | 17.30% | -9.57% |
Volatility
CWT vs. GPC - Volatility Comparison
The current volatility for California Water Service Group (CWT) is 7.70%, while Genuine Parts Company (GPC) has a volatility of 8.81%. This indicates that CWT experiences smaller price fluctuations and is considered to be less risky than GPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| CWT | GPC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.70% | 8.81% | -1.11% |
Volatility (6M)Calculated over the trailing 6-month period | 18.76% | 25.18% | -6.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.20% | 29.19% | -4.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.30% | 26.99% | -2.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.74% | 28.14% | -0.40% |
Dividends
CWT vs. GPC - Dividend Comparison
CWT's dividend yield for the trailing twelve months is around 2.79%, less than GPC's 4.03% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CWT California Water Service Group | 2.79% | 2.86% | 2.47% | 2.01% | 1.65% | 1.28% | 1.57% | 1.53% | 1.57% | 1.59% | 2.04% | 2.88% |
GPC Genuine Parts Company | 4.03% | 3.35% | 3.43% | 2.74% | 2.06% | 2.33% | 3.15% | 2.87% | 3.00% | 2.84% | 2.75% | 2.86% |
Financials
CWT vs. GPC - Financials Comparison
This section allows you to compare key financial metrics between California Water Service Group and Genuine Parts Company. 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
CWT vs. GPC - Profitability Comparison
CWT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported a gross profit of 0.00 and revenue of 214.57M. Therefore, the gross margin over that period was 0.0%.
GPC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Genuine Parts Company reported a gross profit of 2.34B and revenue of 6.26B. Therefore, the gross margin over that period was 37.3%.
CWT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported an operating income of 18.16M and revenue of 214.57M, resulting in an operating margin of 8.5%.
GPC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Genuine Parts Company reported an operating income of 286.27M and revenue of 6.26B, resulting in an operating margin of 4.6%.
CWT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported a net income of 4.04M and revenue of 214.57M, resulting in a net margin of 1.9%.
GPC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Genuine Parts Company reported a net income of 188.54M and revenue of 6.26B, resulting in a net margin of 3.0%.
Frequently Asked Questions
CWT and GPC have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GPC has higher volatility (8.81%) compared to CWT (7.70%). In terms of maximum drawdown, CWT dropped -38.21% vs GPC's -54.89%.
CWT currently has the higher Sharpe Ratio (0.02 vs -0.41), 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 CWT and GPC
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