WDFC vs. SIMO
WDFC (WD-40 Company) and SIMO (Silicon Motion Technology Corporation) are both stocks. WDFC operates in Specialty Chemicals (Basic Materials), while SIMO operates in Semiconductors (Technology). Over the past 10 years, WDFC returned 8.77%/yr vs 19.94%/yr for SIMO. Their 0.19 correlation means their historical movements had little consistent relationship.
Performance
WDFC vs. SIMO - Performance Comparison
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Returns By Period
In the year-to-date period, WDFC achieves a 16.98% return, which is significantly lower than SIMO's 175.18% return. Over the past 10 years, WDFC has underperformed SIMO with an annualized return of 8.77%, while SIMO has yielded a comparatively higher 19.94% annualized return.
WDFC
- 1D
- -0.27%
- 1M
- -7.23%
- 6M
- -0.88%
- YTD
- 16.98%
- 1Y
- 7.55%
- 3Y*
- 1.12%
- 5Y*
- 0.30%
- 10Y*
- 8.77%
- ALL TIME*
- 11.28%
SIMO
- 1D
- -0.59%
- 1M
- -15.67%
- 6M
- 114.49%
- YTD
- 175.18%
- 1Y
- 237.94%
- 3Y*
- 62.86%
- 5Y*
- 30.34%
- 10Y*
- 19.94%
- ALL TIME*
- 18.18%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $301.79M | $252.63M | $285.20M | |
WDFC WD-40 Company | $30.67M | $49.36M | $39.16M |
WDFC vs. SIMO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WDFC WD-40 Company | 16.98% | -17.43% | 2.93% | 50.89% | -33.01% | -6.89% | 38.84% | 7.42% | 57.67% | 2.81% |
SIMO Silicon Motion Technology Corporation | 175.18% | 76.91% | -8.94% | -4.91% | -30.38% | 101.83% | -1.81% | 51.81% | -33.11% | 27.14% |
Correlation
The correlation between WDFC and SIMO is -0.09, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.09 |
Correlation (3Y) Balances recent behavior with more history. | 0.02 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.06 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.11 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 2005 | 0.19 |
The correlation between WDFC and SIMO shifts across timeframes, from -0.09 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.
Fundamentals
WDFC:
$3.05B
SIMO:
$8.51B
WDFC:
$6.60
SIMO:
$45.86
WDFC:
34.44
SIMO:
5.53
WDFC:
4.40
SIMO:
0.04
WDFC:
4.55
SIMO:
1.22
WDFC:
$674.68M
SIMO:
$1.31B
WDFC:
$376.63M
SIMO:
$641.93M
WDFC:
$124.31M
SIMO:
$313.52M
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Return for Risk
WDFC vs. SIMO — Risk / Return Rank
WDFC
SIMO
WDFC vs. SIMO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for WD-40 Company (WDFC) and Silicon Motion Technology Corporation (SIMO). 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.
| WDFC | SIMO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.75 | ||
| Sortino ratioReturn per unit of downside risk | -3.14 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.48 | -0.40 |
| Calmar ratioReturn relative to maximum drawdown | 0.37 | 6.33 | -5.96 |
| Martin ratioReturn relative to average drawdown | 0.68 | 22.76 | -22.08 |
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Drawdowns
WDFC vs. SIMO - Drawdown Comparison
The maximum WDFC drawdown since its inception was -54.20%, smaller than the maximum SIMO drawdown of -93.19%. Use the drawdown chart below to compare losses from any high point for WDFC and SIMO.
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Drawdown Indicators
| WDFC | SIMO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.20% | -93.19% | +38.99% |
Max Drawdown (1Y)Largest decline over 1 year | -21.79% | -37.76% | +15.97% |
Max Drawdown (3Y)Largest decline over 3 years | -34.22% | -52.84% | +18.62% |
Max Drawdown (5Y)Largest decline over 5 years | -40.97% | -56.49% | +15.52% |
Max Drawdown (10Y)Largest decline over 10 years | -54.20% | -56.49% | +2.29% |
Current DrawdownCurrent decline from peak | -25.35% | -24.73% | -0.62% |
Average DrawdownAverage peak-to-trough decline | -13.28% | -32.23% | +18.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.73% | 10.48% | +1.25% |
Volatility
WDFC vs. SIMO - Volatility Comparison
The current volatility for WD-40 Company (WDFC) is 14.35%, while Silicon Motion Technology Corporation (SIMO) has a volatility of 34.01%. This indicates that WDFC experiences smaller price fluctuations and is considered to be less risky than SIMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WDFC | SIMO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.35% | 34.01% | -19.66% |
Volatility (6M)Calculated over the trailing 6-month period | 24.71% | 65.64% | -40.93% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.66% | 79.31% | -48.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.34% | 52.55% | -21.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 29.85% | 46.67% | -16.82% |
Dividends
WDFC vs. SIMO - Dividend Comparison
WDFC's dividend yield for the trailing twelve months is around 1.76%, more than SIMO's 0.79% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SIMO Silicon Motion Technology Corporation | 0.79% | 2.16% | 3.70% | 0.82% | 2.31% | 1.62% | 2.89% | 2.45% | 3.45% | 1.68% | 1.51% | 1.88% |
WDFC WD-40 Company | 1.76% | 1.91% | 1.45% | 1.39% | 1.94% | 1.16% | 1.01% | 1.26% | 1.18% | 1.66% | 1.44% | 1.16% |
Financials
WDFC vs. SIMO - Financials Comparison
This section allows you to compare key financial metrics between WD-40 Company and Silicon Motion Technology 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
WDFC vs. SIMO - Profitability Comparison
WDFC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, WD-40 Company reported a gross profit of 110.42M and revenue of 195.12M. Therefore, the gross margin over that period was 56.6%.
SIMO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Silicon Motion Technology Corporation reported a gross profit of 226.22M and revenue of 451.00M. Therefore, the gross margin over that period was 50.2%.
WDFC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, WD-40 Company reported an operating income of 40.34M and revenue of 195.12M, resulting in an operating margin of 20.7%.
SIMO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Silicon Motion Technology Corporation reported an operating income of 101.11M and revenue of 451.00M, resulting in an operating margin of 22.4%.
WDFC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, WD-40 Company reported a net income of 30.22M and revenue of 195.12M, resulting in a net margin of 15.5%.
SIMO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Silicon Motion Technology Corporation reported a net income of 136.11M and revenue of 451.00M, resulting in a net margin of 30.2%.
Frequently Asked Questions
WDFC and SIMO have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SIMO has higher volatility (34.01%) compared to WDFC (14.35%). In terms of maximum drawdown, WDFC dropped -54.20% vs SIMO's -93.19%.
SIMO currently has the higher Sharpe Ratio (3.01 vs 0.26), 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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