CIX vs. AMT
CIX (CompX International Inc.) and AMT (American Tower Corporation) are both stocks. CIX operates in Security & Protection Services (Industrials), while AMT operates in REIT - Specialty (Real Estate). Over the past 10 years, CIX returned 14.73%/yr vs 7.77%/yr for AMT. At a 0.09 correlation, their price movements are largely independent.
Performance
CIX vs. AMT - Performance Comparison
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Returns By Period
In the year-to-date period, CIX achieves a 19.47% return, which is significantly higher than AMT's 2.24% return. Over the past 10 years, CIX has outperformed AMT with an annualized return of 14.73%, while AMT has yielded a comparatively lower 7.77% annualized return.
CIX
- 1D
- 6.14%
- 1M
- 17.90%
- YTD
- 19.47%
- 6M
- 14.41%
- 1Y
- 23.69%
- 3Y*
- 14.57%
- 5Y*
- 13.05%
- 10Y*
- 14.73%
AMT
- 1D
- -2.78%
- 1M
- -2.88%
- YTD
- 2.24%
- 6M
- 4.00%
- 1Y
- -15.14%
- 3Y*
- 0.46%
- 5Y*
- -5.00%
- 10Y*
- 7.77%
CIX vs. AMT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CIX CompX International Inc. | 19.47% | -3.21% | 14.73% | 43.62% | -7.98% | 64.41% | 0.31% | 9.21% | 3.79% | -16.21% |
AMT American Tower Corporation | 2.24% | -0.92% | -12.16% | 5.37% | -25.67% | 32.89% | -0.48% | 47.87% | 13.32% | 37.71% |
Correlation
The correlation between CIX and AMT is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.09 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.09 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.08 |
Correlation (All Time) Calculated using the full available price history since Jun 5, 1998 | 0.09 |
Fundamentals
CIX:
$334.20M
AMT:
$82.19B
CIX:
$1.64
AMT:
$6.14
CIX:
16.54
AMT:
28.65
CIX:
2.51
AMT:
8.17
CIX:
2.11
AMT:
7.62
CIX:
2.37
AMT:
22.50
CIX:
$158.58M
AMT:
$10.82B
CIX:
$49.27M
AMT:
$7.94B
CIX:
$27.29M
AMT:
$6.71B
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Return for Risk
CIX vs. AMT — Risk / Return Rank
CIX
AMT
CIX vs. AMT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for CompX International Inc. (CIX) and American Tower Corporation (AMT). 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.
| CIX | AMT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.16 | ||
| Sortino ratioReturn per unit of downside risk | +1.88 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 0.91 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 0.74 | -0.57 | +1.31 |
| Martin ratioReturn relative to average drawdown | 1.17 | -0.82 | +1.99 |
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Drawdowns
CIX vs. AMT - Drawdown Comparison
The maximum CIX drawdown since its inception was -79.14%, smaller than the maximum AMT drawdown of -98.70%. Use the drawdown chart below to compare losses from any high point for CIX and AMT.
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Drawdown Indicators
| CIX | AMT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -79.14% | -98.70% | +19.56% |
Max Drawdown (1Y)Largest decline over 1 year | -32.31% | -26.67% | -5.64% |
Max Drawdown (3Y)Largest decline over 3 years | -43.85% | -27.54% | -16.31% |
Max Drawdown (5Y)Largest decline over 5 years | -43.85% | -45.34% | +1.49% |
Max Drawdown (10Y)Largest decline over 10 years | -43.85% | -45.34% | +1.49% |
Current DrawdownCurrent decline from peak | -12.38% | -32.21% | +19.83% |
Average DrawdownAverage peak-to-trough decline | -31.99% | -27.02% | -4.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.22% | 18.55% | +1.67% |
Volatility
CIX vs. AMT - Volatility Comparison
CompX International Inc. (CIX) has a higher volatility of 14.69% compared to American Tower Corporation (AMT) at 8.44%. This indicates that CIX's price experiences larger fluctuations and is considered to be riskier than AMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CIX | AMT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.69% | 8.44% | +6.25% |
Volatility (6M)Calculated over the trailing 6-month period | 26.56% | 19.69% | +6.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.37% | 24.40% | +19.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 55.90% | 26.42% | +29.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 54.57% | 26.23% | +28.34% |
Dividends
CIX vs. AMT - Dividend Comparison
CIX's dividend yield for the trailing twelve months is around 8.11%, more than AMT's 3.96% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMT American Tower Corporation | 3.96% | 3.87% | 3.53% | 2.99% | 2.77% | 1.78% | 2.02% | 1.64% | 1.99% | 1.84% | 2.05% | 1.87% |
CIX CompX International Inc. | 8.11% | 9.45% | 12.24% | 3.96% | 14.88% | 3.56% | 2.81% | 1.92% | 1.47% | 1.50% | 1.24% | 1.75% |
Financials
CIX vs. AMT - Financials Comparison
This section allows you to compare key financial metrics between CompX International Inc. and American Tower 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
CIX vs. AMT - Profitability Comparison
CIX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, CompX International Inc. reported a gross profit of 13.25M and revenue of 40.57M. Therefore, the gross margin over that period was 32.7%.
AMT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Tower Corporation reported a gross profit of 2.02B and revenue of 2.74B. Therefore, the gross margin over that period was 73.9%.
CIX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, CompX International Inc. reported an operating income of 7.05M and revenue of 40.57M, resulting in an operating margin of 17.4%.
AMT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Tower Corporation reported an operating income of 1.16B and revenue of 2.74B, resulting in an operating margin of 42.4%.
CIX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, CompX International Inc. reported a net income of 5.85M and revenue of 40.57M, resulting in a net margin of 14.4%.
AMT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Tower Corporation reported a net income of 836.80M and revenue of 2.74B, resulting in a net margin of 30.6%.
Frequently Asked Questions
CIX and AMT 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.
CIX has higher volatility (14.69%) compared to AMT (8.44%). In terms of maximum drawdown, CIX dropped -79.14% vs AMT's -98.70%.
CIX currently has the higher Sharpe Ratio (0.54 vs -0.62), 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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