SILC vs. STM
SILC (Silicom) and STM (STMicroelectronics N.V.) are both stocks. Both are in the Technology sector — SILC in Communication Equipment, STM in Semiconductors. Over the past 10 years, SILC returned 3.98%/yr vs 30.43%/yr for STM. At a 0.22 correlation, their price movements are largely independent.
Performance
SILC vs. STM - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with SILC having a 180.27% return and STM slightly higher at 180.33%. Over the past 10 years, SILC has underperformed STM with an annualized return of 3.98%, while STM has yielded a comparatively higher 30.43% annualized return.
SILC
- 1D
- -8.36%
- 1M
- -9.11%
- YTD
- 180.27%
- 6M
- 204.10%
- 1Y
- 165.58%
- 3Y*
- 5.55%
- 5Y*
- -1.05%
- 10Y*
- 3.98%
STM
- 1D
- -9.26%
- 1M
- 8.45%
- YTD
- 180.33%
- 6M
- 179.04%
- 1Y
- 152.32%
- 3Y*
- 17.17%
- 5Y*
- 15.50%
- 10Y*
- 30.43%
SILC vs. STM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SILC Silicom | 180.27% | -9.87% | -9.89% | -57.06% | -18.31% | 23.30% | 25.83% | -4.81% | -50.16% | 74.26% |
STM STMicroelectronics N.V. | 180.33% | 5.28% | -49.67% | 41.66% | -26.76% | 32.39% | 38.91% | 96.34% | -35.65% | 94.77% |
Correlation
The correlation between SILC and STM is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.28 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.30 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.30 |
Correlation (All Time) Calculated using the full available price history since Dec 8, 1994 | 0.22 |
Fundamentals
SILC:
$235.09M
STM:
$67.00B
SILC:
-$1.94
STM:
$0.15
SILC:
3.52
STM:
5.46
SILC:
2.03
STM:
3.77
SILC:
$66.64M
STM:
$12.40B
SILC:
$20.29M
STM:
$4.20B
SILC:
-$10.90M
STM:
$2.32B
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Return for Risk
SILC vs. STM — Risk / Return Rank
SILC
STM
SILC vs. STM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Silicom (SILC) and STMicroelectronics N.V. (STM). 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.
| SILC | STM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.69 | ||
| Sortino ratioReturn per unit of downside risk | +0.03 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.44 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 6.08 | 4.22 | +1.86 |
| Martin ratioReturn relative to average drawdown | 13.85 | 9.59 | +4.26 |
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Drawdowns
SILC vs. STM - Drawdown Comparison
The maximum SILC drawdown since its inception was -98.80%, roughly equal to the maximum STM drawdown of -94.40%. Use the drawdown chart below to compare losses from any high point for SILC and STM.
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Drawdown Indicators
| SILC | STM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.80% | -94.40% | -4.40% |
Max Drawdown (1Y)Largest decline over 1 year | -27.42% | -36.35% | +8.93% |
Max Drawdown (3Y)Largest decline over 3 years | -71.14% | -66.66% | -4.48% |
Max Drawdown (5Y)Largest decline over 5 years | -77.33% | -66.66% | -10.67% |
Max Drawdown (10Y)Largest decline over 10 years | -84.76% | -66.66% | -18.10% |
Current DrawdownCurrent decline from peak | -46.35% | -9.26% | -37.09% |
Average DrawdownAverage peak-to-trough decline | -56.21% | -55.15% | -1.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.01% | 15.94% | -3.93% |
Volatility
SILC vs. STM - Volatility Comparison
Silicom (SILC) has a higher volatility of 31.87% compared to STMicroelectronics N.V. (STM) at 27.05%. This indicates that SILC's price experiences larger fluctuations and is considered to be riskier than STM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SILC | STM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 31.87% | 27.05% | +4.82% |
Volatility (6M)Calculated over the trailing 6-month period | 67.62% | 43.06% | +24.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 79.66% | 55.09% | +24.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.58% | 45.53% | +7.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 47.18% | 44.46% | +2.72% |
Dividends
SILC vs. STM - Dividend Comparison
SILC has not paid dividends to shareholders, while STM's dividend yield for the trailing twelve months is around 0.62%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SILC Silicom | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 1.43% | 2.43% | 3.30% |
STM STMicroelectronics N.V. | 0.62% | 1.39% | 1.32% | 0.48% | 0.67% | 0.45% | 0.50% | 0.89% | 1.73% | 0.98% | 2.10% | 5.11% |
Financials
SILC vs. STM - Financials Comparison
This section allows you to compare key financial metrics between Silicom and STMicroelectronics N.V.. 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
SILC vs. STM - Profitability Comparison
SILC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Silicom reported a gross profit of 5.64M and revenue of 19.10M. Therefore, the gross margin over that period was 29.6%.
STM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, STMicroelectronics N.V. reported a gross profit of 1.05B and revenue of 3.10B. Therefore, the gross margin over that period was 33.8%.
SILC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Silicom reported an operating income of -2.81M and revenue of 19.10M, resulting in an operating margin of -14.7%.
STM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, STMicroelectronics N.V. reported an operating income of 96.00M and revenue of 3.10B, resulting in an operating margin of 3.1%.
SILC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Silicom reported a net income of -2.37M and revenue of 19.10M, resulting in a net margin of -12.4%.
STM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, STMicroelectronics N.V. reported a net income of 37.00M and revenue of 3.10B, resulting in a net margin of 1.2%.
Frequently Asked Questions
SILC and STM have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SILC has higher volatility (31.87%) compared to STM (27.05%). In terms of maximum drawdown, SILC dropped -98.80% vs STM's -94.40%.
STM currently has the higher Sharpe Ratio (2.78 vs 2.09), 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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