UMC vs. AATC
UMC (United Microelectronics Corporation) and AATC (Autoscope Technologies Corporation) are both stocks. Both are in the Technology sector — UMC in Semiconductors, AATC in Scientific & Technical Instruments. Over the past 5 years, UMC returned 18.83%/yr vs 10.80%/yr for AATC. Their 0.07 correlation means their historical movements had little consistent relationship.
Performance
UMC vs. AATC - Performance Comparison
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Returns By Period
In the year-to-date period, UMC achieves a 146.37% return, which is significantly higher than AATC's 0.43% return.
UMC
- 1D
- 0.48%
- 1M
- -21.09%
- 6M
- 90.23%
- YTD
- 146.37%
- 1Y
- 184.36%
- 3Y*
- 42.98%
- 5Y*
- 18.83%
- 10Y*
- 31.85%
- ALL TIME*
- 8.14%
AATC
- 1D
- -0.14%
- 1M
- 5.38%
- 6M
- 2.36%
- YTD
- 0.43%
- 1Y
- -19.19%
- 3Y*
- 25.89%
- 5Y*
- 10.80%
- 10Y*
- —
- ALL TIME*
- 12.88%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $9.74K | $18.39K | $28.81K | |
| $331.44M | $369.70M | $380.82M |
UMC vs. AATC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
UMC United Microelectronics Corporation | 146.37% | 28.65% | -19.01% | 39.20% | -40.32% | 29.07% |
AATC Autoscope Technologies Corporation | 0.43% | -11.52% | 43.25% | 115.94% | -37.85% | 7.65% |
Correlation
The correlation between UMC and AATC is -0.01, 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. | -0.01 |
Correlation (3Y) Balances recent behavior with more history. | -0.04 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.07 |
Correlation (All Time) Calculated using the full available price history since Jul 21, 2021 | 0.07 |
The correlation between UMC and AATC shifts across timeframes, from -0.04 (3 years) to 0.07 (all time), reflecting how their relationship changes across market environments.
Fundamentals
UMC:
$47.47B
AATC:
$30.53M
UMC:
NT$41.67
AATC:
$0.25
UMC:
14.79
AATC:
22.54
UMC:
4.93
AATC:
3.41
UMC:
0.70
AATC:
3.11
UMC:
NT$250.71B
AATC:
$8.93M
UMC:
NT$76.72B
AATC:
$8.63M
UMC:
NT$156.27B
AATC:
$2.02M
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Return for Risk
UMC vs. AATC — Risk / Return Rank
UMC
AATC
UMC vs. AATC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for United Microelectronics Corporation (UMC) and Autoscope Technologies Corporation (AATC). 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.
| UMC | AATC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.74 | ||
| Sortino ratioReturn per unit of downside risk | +4.43 | ||
| Omega ratioGain probability vs. loss probability | 1.47 | 0.90 | +0.57 |
| Calmar ratioReturn relative to maximum drawdown | 4.87 | -0.74 | +5.61 |
| Martin ratioReturn relative to average drawdown | 14.42 | -1.04 | +15.45 |
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Drawdowns
UMC vs. AATC - Drawdown Comparison
The maximum UMC drawdown since its inception was -72.52%, which is greater than AATC's maximum drawdown of -53.27%. Use the drawdown chart below to compare losses from any high point for UMC and AATC.
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Drawdown Indicators
| UMC | AATC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -72.52% | -53.27% | -19.25% |
Max Drawdown (1Y)Largest decline over 1 year | -37.84% | -25.96% | -11.88% |
Max Drawdown (3Y)Largest decline over 3 years | -37.84% | -33.07% | -4.77% |
Max Drawdown (5Y)Largest decline over 5 years | -54.30% | -53.27% | -1.03% |
Max Drawdown (10Y)Largest decline over 10 years | -54.30% | — | — |
Current DrawdownCurrent decline from peak | -30.86% | -28.34% | -2.52% |
Average DrawdownAverage peak-to-trough decline | -42.39% | -21.04% | -21.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.76% | 18.56% | -5.80% |
Volatility
UMC vs. AATC - Volatility Comparison
United Microelectronics Corporation (UMC) has a higher volatility of 24.73% compared to Autoscope Technologies Corporation (AATC) at 7.75%. This indicates that UMC's price experiences larger fluctuations and is considered to be riskier than AATC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| UMC | AATC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 24.73% | 7.75% | +16.98% |
Volatility (6M)Calculated over the trailing 6-month period | 50.05% | 20.81% | +29.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 60.25% | 28.61% | +31.64% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 42.41% | 34.57% | +7.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.08% | 35.03% | +6.05% |
Dividends
UMC vs. AATC - Dividend Comparison
UMC's dividend yield for the trailing twelve months is around 2.17%, less than AATC's 10.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AATC Autoscope Technologies Corporation | 10.85% | 28.40% | 23.25% | 7.38% | 13.33% | 3.82% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
UMC United Microelectronics Corporation | 2.17% | 6.06% | 7.14% | 6.93% | 7.92% | 2.44% | 1.62% | 3.51% | 6.59% | 2.41% | 3.61% | 3.15% |
Financials
UMC vs. AATC - Financials Comparison
This section allows you to compare key financial metrics between United Microelectronics Corporation and Autoscope Technologies 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
UMC vs. AATC - Profitability Comparison
UMC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, United Microelectronics Corporation reported a gross profit of 22.32B and revenue of 68.73B. Therefore, the gross margin over that period was 32.5%.
AATC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Autoscope Technologies Corporation reported a gross profit of 2.00M and revenue of 2.11M. Therefore, the gross margin over that period was 94.6%.
UMC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, United Microelectronics Corporation reported an operating income of 14.88B and revenue of 68.73B, resulting in an operating margin of 21.7%.
AATC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Autoscope Technologies Corporation reported an operating income of 380.00K and revenue of 2.11M, resulting in an operating margin of 18.0%.
UMC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, United Microelectronics Corporation reported a net income of 42.26B and revenue of 68.73B, resulting in a net margin of 61.5%.
AATC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Autoscope Technologies Corporation reported a net income of 316.00K and revenue of 2.11M, resulting in a net margin of 15.0%.
Frequently Asked Questions
UMC and AATC have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
UMC has higher volatility (24.73%) compared to AATC (7.75%). In terms of maximum drawdown, UMC dropped -72.52% vs AATC's -53.27%.
UMC currently has the higher Sharpe Ratio (3.07 vs -0.67), 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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