SIMO vs. COST
SIMO (Silicon Motion Technology Corporation) and COST (Costco Wholesale Corporation) are both stocks. SIMO operates in Semiconductors (Technology), while COST operates in Discount Stores (Consumer Defensive). Over the past 10 years, SIMO returned 19.94%/yr vs 21.10%/yr for COST. Their 0.21 correlation means their historical movements had little consistent relationship.
Performance
SIMO vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, SIMO achieves a 175.18% return, which is significantly higher than COST's 10.87% return. Over the past 10 years, SIMO has underperformed COST with an annualized return of 19.94%, while COST has yielded a comparatively higher 21.10% annualized return.
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%
COST
- 1D
- -0.24%
- 1M
- 0.18%
- 6M
- 1.55%
- YTD
- 10.87%
- 1Y
- 0.52%
- 3Y*
- 21.34%
- 5Y*
- 18.51%
- 10Y*
- 21.10%
- ALL TIME*
- 16.98%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.83B | $2.11B | $2.34B | |
| $301.79M | $252.63M | $285.20M |
SIMO vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
COST Costco Wholesale Corporation | 10.87% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between SIMO and COST is -0.16, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.16 |
Correlation (3Y) Balances recent behavior with more history. | 0.09 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.17 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.19 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 2005 | 0.21 |
The correlation between SIMO and COST shifts across timeframes, from -0.16 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.
Fundamentals
SIMO:
$8.51B
COST:
$422.14B
SIMO:
$45.86
COST:
$26.51
SIMO:
5.53
COST:
35.91
SIMO:
0.04
COST:
2.81
SIMO:
1.22
COST:
1.08
SIMO:
$1.31B
COST:
$293.59B
SIMO:
$641.93M
COST:
$11.12B
SIMO:
$313.52M
COST:
$12.48B
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Return for Risk
SIMO vs. COST — Risk / Return Rank
SIMO
COST
SIMO vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Silicon Motion Technology Corporation (SIMO) and Costco Wholesale Corporation (COST). 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.
| SIMO | COST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.91 | ||
| Sortino ratioReturn per unit of downside risk | +3.46 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.03 | +0.44 |
| Calmar ratioReturn relative to maximum drawdown | 6.33 | 0.12 | +6.21 |
| Martin ratioReturn relative to average drawdown | 22.76 | 0.26 | +22.50 |
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Drawdowns
SIMO vs. COST - Drawdown Comparison
The maximum SIMO drawdown since its inception was -93.19%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for SIMO and COST.
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Drawdown Indicators
| SIMO | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.19% | -53.39% | -39.80% |
Max Drawdown (1Y)Largest decline over 1 year | -37.76% | -16.57% | -21.19% |
Max Drawdown (3Y)Largest decline over 3 years | -52.84% | -20.74% | -32.10% |
Max Drawdown (5Y)Largest decline over 5 years | -56.49% | -31.40% | -25.09% |
Max Drawdown (10Y)Largest decline over 10 years | -56.49% | -31.40% | -25.09% |
Current DrawdownCurrent decline from peak | -24.73% | -12.88% | -11.85% |
Average DrawdownAverage peak-to-trough decline | -32.23% | -13.36% | -18.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.48% | 7.81% | +2.67% |
Volatility
SIMO vs. COST - Volatility Comparison
Silicon Motion Technology Corporation (SIMO) has a higher volatility of 34.01% compared to Costco Wholesale Corporation (COST) at 7.34%. This indicates that SIMO's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SIMO | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 34.01% | 7.34% | +26.67% |
Volatility (6M)Calculated over the trailing 6-month period | 65.64% | 15.13% | +50.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 79.31% | 19.96% | +59.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.55% | 22.93% | +29.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 46.67% | 22.03% | +24.64% |
Dividends
SIMO vs. COST - Dividend Comparison
SIMO's dividend yield for the trailing twelve months is around 0.79%, more than COST's 0.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COST Costco Wholesale Corporation | 0.58% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
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% |
Financials
SIMO vs. COST - Financials Comparison
This section allows you to compare key financial metrics between Silicon Motion Technology Corporation and Costco Wholesale 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
SIMO vs. COST - Profitability Comparison
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%.
COST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Costco Wholesale Corporation reported a gross profit of -17.68B and revenue of 70.53B. Therefore, the gross margin over that period was -25.1%.
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%.
COST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Costco Wholesale Corporation reported an operating income of 2.82B and revenue of 70.53B, resulting in an operating margin of 4.0%.
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%.
COST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Costco Wholesale Corporation reported a net income of 2.19B and revenue of 70.53B, resulting in a net margin of 3.1%.
Frequently Asked Questions
SIMO and COST have a correlation of -0.16, 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 COST (7.34%). In terms of maximum drawdown, SIMO dropped -93.19% vs COST's -53.39%.
SIMO currently has the higher Sharpe Ratio (3.01 vs 0.10), 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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