PTCT vs. AZZ
PTCT (PTC Therapeutics, Inc.) and AZZ (AZZ Inc.) are both stocks. PTCT operates in Biotechnology (Healthcare), while AZZ operates in Electrical Equipment & Parts (Industrials). Over the past 10 years, PTCT returned 27.78%/yr vs 10.16%/yr for AZZ. Their 0.24 correlation means their historical movements had little consistent relationship.
Performance
PTCT vs. AZZ - Performance Comparison
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Returns By Period
In the year-to-date period, PTCT achieves a -10.47% return, which is significantly lower than AZZ's 35.67% return. Over the past 10 years, PTCT has outperformed AZZ with an annualized return of 27.78%, while AZZ has yielded a comparatively lower 10.16% annualized return.
PTCT
- 1D
- -9.94%
- 1M
- -18.37%
- 6M
- -9.96%
- YTD
- -10.47%
- 1Y
- 30.46%
- 3Y*
- 18.70%
- 5Y*
- 12.15%
- 10Y*
- 27.78%
- ALL TIME*
- 11.78%
AZZ
- 1D
- -0.17%
- 1M
- -3.36%
- 6M
- 16.99%
- YTD
- 35.67%
- 1Y
- 37.04%
- 3Y*
- 49.18%
- 5Y*
- 23.67%
- 10Y*
- 10.16%
- ALL TIME*
- 12.40%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
AZZ AZZ Inc. | $43.34M | $50.01M | $43.17M |
| $107.25M | $139.40M | $141.83M |
PTCT vs. AZZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PTCT PTC Therapeutics, Inc. | -10.47% | 68.28% | 63.79% | -27.80% | -4.17% | -34.74% | 27.07% | 39.95% | 105.76% | 52.89% |
AZZ AZZ Inc. | 35.67% | 31.89% | 42.35% | 46.82% | -26.09% | 18.10% | 5.34% | 15.65% | -19.88% | -19.00% |
Correlation
The correlation between PTCT and AZZ is 0.22, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.22 |
Correlation (3Y) Balances recent behavior with more history. | 0.25 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.25 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.25 |
Correlation (All Time) Calculated using the full available price history since Jun 20, 2013 | 0.24 |
Fundamentals
PTCT:
$5.64B
AZZ:
$4.35B
PTCT:
-$0.45
AZZ:
$6.57
PTCT:
5.77
AZZ:
2.61
PTCT:
$1.01B
AZZ:
$1.68B
PTCT:
$476.39M
AZZ:
$402.99M
PTCT:
$62.53M
AZZ:
$376.83M
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Return for Risk
PTCT vs. AZZ — Risk / Return Rank
PTCT
AZZ
PTCT vs. AZZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PTC Therapeutics, Inc. (PTCT) and AZZ Inc. (AZZ). 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.
| PTCT | AZZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.32 | ||
| Sortino ratioReturn per unit of downside risk | -0.41 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.20 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.13 | 1.83 | -0.70 |
| Martin ratioReturn relative to average drawdown | 2.24 | 3.88 | -1.64 |
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Drawdowns
PTCT vs. AZZ - Drawdown Comparison
The maximum PTCT drawdown since its inception was -94.60%, which is greater than AZZ's maximum drawdown of -77.87%. Use the drawdown chart below to compare losses from any high point for PTCT and AZZ.
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Drawdown Indicators
| PTCT | AZZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.60% | -77.87% | -16.73% |
Max Drawdown (1Y)Largest decline over 1 year | -27.17% | -18.16% | -9.01% |
Max Drawdown (3Y)Largest decline over 3 years | -56.77% | -23.66% | -33.11% |
Max Drawdown (5Y)Largest decline over 5 years | -69.42% | -46.23% | -23.19% |
Max Drawdown (10Y)Largest decline over 10 years | -73.78% | -68.02% | -5.76% |
Current DrawdownCurrent decline from peak | -24.05% | -9.49% | -14.56% |
Average DrawdownAverage peak-to-trough decline | -45.64% | -31.87% | -13.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.66% | 8.55% | +5.11% |
Volatility
PTCT vs. AZZ - Volatility Comparison
PTC Therapeutics, Inc. (PTCT) has a higher volatility of 14.58% compared to AZZ Inc. (AZZ) at 10.20%. This indicates that PTCT's price experiences larger fluctuations and is considered to be riskier than AZZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PTCT | AZZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.58% | 10.20% | +4.38% |
Volatility (6M)Calculated over the trailing 6-month period | 32.59% | 25.19% | +7.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.99% | 32.05% | +10.94% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 55.15% | 33.63% | +21.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 66.20% | 35.82% | +30.38% |
Dividends
PTCT vs. AZZ - Dividend Comparison
PTCT has not paid dividends to shareholders, while AZZ's dividend yield for the trailing twelve months is around 0.58%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AZZ AZZ Inc. | 0.58% | 0.69% | 0.83% | 1.17% | 1.69% | 1.23% | 1.43% | 1.48% | 1.68% | 1.33% | 0.97% | 1.08% |
PTCT PTC Therapeutics, 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
PTCT vs. AZZ - Financials Comparison
This section allows you to compare key financial metrics between PTC Therapeutics, Inc. and AZZ Inc.. 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
PTCT vs. AZZ - Profitability Comparison
PTCT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, PTC Therapeutics, Inc. reported a gross profit of 0.00 and revenue of 360.52M. Therefore, the gross margin over that period was 0.0%.
AZZ - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, AZZ Inc. reported a gross profit of 112.17M and revenue of 448.53M. Therefore, the gross margin over that period was 25.0%.
PTCT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, PTC Therapeutics, Inc. reported an operating income of 148.98M and revenue of 360.52M, resulting in an operating margin of 41.3%.
AZZ - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, AZZ Inc. reported an operating income of 77.03M and revenue of 448.53M, resulting in an operating margin of 17.2%.
PTCT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, PTC Therapeutics, Inc. reported a net income of 83.50M and revenue of 360.52M, resulting in a net margin of 23.2%.
AZZ - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, AZZ Inc. reported a net income of 52.01M and revenue of 448.53M, resulting in a net margin of 11.6%.
Frequently Asked Questions
PTCT and AZZ have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PTCT has higher volatility (14.58%) compared to AZZ (10.20%). In terms of maximum drawdown, PTCT dropped -94.60% vs AZZ's -77.87%.
AZZ currently has the higher Sharpe Ratio (1.04 vs 0.71), 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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