CLFD vs. AMT
CLFD (Clearfield, Inc.) and AMT (American Tower Corporation) are both stocks. CLFD operates in Communication Equipment (Technology), while AMT operates in REIT - Specialty (Real Estate). Over the past 10 years, CLFD returned 4.57%/yr vs 6.72%/yr for AMT. Their 0.13 correlation means their historical movements had little consistent relationship.
Performance
CLFD vs. AMT - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CLFD achieves a 3.81% return, which is significantly higher than AMT's 0.68% return. Over the past 10 years, CLFD has underperformed AMT with an annualized return of 4.57%, while AMT has yielded a comparatively higher 6.72% annualized return.
CLFD
- 1D
- -2.04%
- 1M
- -10.92%
- 6M
- 1.65%
- YTD
- 3.81%
- 1Y
- -25.85%
- 3Y*
- -12.99%
- 5Y*
- -7.01%
- 10Y*
- 4.57%
- ALL TIME*
- 7.48%
AMT
- 1D
- -0.63%
- 1M
- 4.41%
- 6M
- -1.40%
- YTD
- 0.68%
- 1Y
- -15.11%
- 3Y*
- 0.23%
- 5Y*
- -6.44%
- 10Y*
- 6.72%
- ALL TIME*
- 9.07%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $617.52M | $543.49M | $581.60M | |
CLFD Clearfield, Inc. | $6.52M | $6.26M | $12.50M |
CLFD vs. AMT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CLFD Clearfield, Inc. | 3.81% | -5.97% | 6.60% | -69.11% | 11.51% | 241.50% | 77.33% | 40.52% | -19.02% | -40.82% |
AMT American Tower Corporation | 0.68% | -0.92% | -12.16% | 5.37% | -25.67% | 32.89% | -0.48% | 47.87% | 13.32% | 37.71% |
Correlation
The correlation between CLFD and AMT is -0.03, 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. | -0.03 |
Correlation (3Y) Balances recent behavior with more history. | 0.05 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.14 |
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 5, 1998 | 0.13 |
The correlation between CLFD and AMT shifts across timeframes, from -0.03 (1 year) to 0.14 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
CLFD:
$411.22M
AMT:
$80.78B
CLFD:
-$0.62
AMT:
$7.22
CLFD:
3.07
AMT:
7.41
CLFD:
1.70
AMT:
21.75
CLFD:
$136.22M
AMT:
$10.94B
CLFD:
$50.71M
AMT:
$8.01B
CLFD:
$11.00M
AMT:
$7.03B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
CLFD vs. AMT — Risk / Return Rank
CLFD
AMT
CLFD vs. AMT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Clearfield, Inc. (CLFD) 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.
| CLFD | AMT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.21 | ||
| Omega ratioGain probability vs. loss probability | 0.95 | 0.93 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | -0.73 | -0.65 | -0.08 |
| Martin ratioReturn relative to average drawdown | -1.08 | -1.02 | -0.06 |
Loading charts...
Drawdowns
CLFD vs. AMT - Drawdown Comparison
The maximum CLFD drawdown since its inception was -98.62%, roughly equal to the maximum AMT drawdown of -98.70%. Use the drawdown chart below to compare losses from any high point for CLFD and AMT.
Loading charts...
Drawdown Indicators
| CLFD | AMT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.62% | -98.70% | +0.08% |
Max Drawdown (1Y)Largest decline over 1 year | -42.43% | -20.94% | -21.49% |
Max Drawdown (3Y)Largest decline over 3 years | -43.39% | -28.40% | -14.99% |
Max Drawdown (5Y)Largest decline over 5 years | -82.52% | -45.34% | -37.18% |
Max Drawdown (10Y)Largest decline over 10 years | -82.52% | -45.34% | -37.18% |
Current DrawdownCurrent decline from peak | -77.01% | -33.24% | -43.77% |
Average DrawdownAverage peak-to-trough decline | -63.04% | -27.05% | -35.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 28.63% | 13.38% | +15.25% |
Volatility
CLFD vs. AMT - Volatility Comparison
Clearfield, Inc. (CLFD) has a higher volatility of 19.75% compared to American Tower Corporation (AMT) at 8.09%. This indicates that CLFD'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.
Loading charts...
Volatility by Period
| CLFD | AMT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.75% | 8.09% | +11.66% |
Volatility (6M)Calculated over the trailing 6-month period | 47.30% | 21.36% | +25.94% |
Volatility (1Y)Calculated over the trailing 1-year period | 61.98% | 25.68% | +36.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 56.75% | 26.84% | +29.91% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 52.78% | 26.41% | +26.37% |
Dividends
CLFD vs. AMT - Dividend Comparison
CLFD has not paid dividends to shareholders, while AMT's dividend yield for the trailing twelve months is around 4.03%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMT American Tower Corporation | 4.03% | 3.87% | 3.53% | 2.99% | 2.77% | 1.78% | 2.02% | 1.64% | 1.99% | 1.84% | 2.05% | 1.87% |
CLFD Clearfield, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
CLFD vs. AMT - Financials Comparison
This section allows you to compare key financial metrics between Clearfield, 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
CLFD vs. AMT - Profitability Comparison
CLFD - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Clearfield, Inc. reported a gross profit of 11.16M and revenue of 34.39M. Therefore, the gross margin over that period was 32.5%.
AMT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, American Tower Corporation reported a gross profit of 2.01B and revenue of 2.75B. Therefore, the gross margin over that period was 73.0%.
CLFD - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Clearfield, Inc. reported an operating income of -2.07M and revenue of 34.39M, resulting in an operating margin of -6.0%.
AMT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, American Tower Corporation reported an operating income of 1.27B and revenue of 2.75B, resulting in an operating margin of 46.2%.
CLFD - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Clearfield, Inc. reported a net income of -528.00K and revenue of 34.39M, resulting in a net margin of -1.5%.
AMT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, American Tower Corporation reported a net income of 867.50M and revenue of 2.75B, resulting in a net margin of 31.6%.
Frequently Asked Questions
CLFD and AMT have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CLFD has higher volatility (19.75%) compared to AMT (8.09%). In terms of maximum drawdown, CLFD dropped -98.62% vs AMT's -98.70%.
CLFD currently has the higher Sharpe Ratio (-0.50 vs -0.53), 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.
Find the right allocation for CLFD and AMT
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer