ST vs. PDFS
ST (Sensata Technologies Holding plc) and PDFS (PDF Solutions, Inc.) are both stocks. Both are in the Technology sector — ST in Scientific & Technical Instruments, PDFS in Software - Application. Over the past 10 years, ST returned 2.69%/yr vs 13.57%/yr for PDFS. At a 0.44 correlation, their price movements are largely independent.
Performance
ST vs. PDFS - Performance Comparison
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Returns By Period
In the year-to-date period, ST achieves a 34.18% return, which is significantly lower than PDFS's 85.03% return. Over the past 10 years, ST has underperformed PDFS with an annualized return of 2.69%, while PDFS has yielded a comparatively higher 13.57% annualized return.
ST
- 1D
- -2.03%
- 1M
- -11.90%
- 6M
- 28.47%
- YTD
- 34.18%
- 1Y
- 40.62%
- 3Y*
- 0.63%
- 5Y*
- -3.73%
- 10Y*
- 2.69%
PDFS
- 1D
- -4.92%
- 1M
- -17.70%
- 6M
- 65.64%
- YTD
- 85.03%
- 1Y
- 129.32%
- 3Y*
- 5.09%
- 5Y*
- 24.16%
- 10Y*
- 13.57%
ST vs. PDFS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ST Sensata Technologies Holding plc | 34.18% | 23.53% | -26.08% | -5.87% | -34.05% | 16.97% | -2.10% | 20.14% | -12.27% | 31.22% |
PDFS PDF Solutions, Inc. | 85.03% | 5.35% | -15.74% | 12.69% | -10.29% | 47.18% | 27.89% | 100.36% | -46.31% | -30.38% |
Correlation
The correlation between ST and PDFS is 0.55, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.55 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.50 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.51 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.46 |
Correlation (All Time) Calculated using the full available price history since Mar 11, 2010 | 0.44 |
The correlation between ST and PDFS shifts across timeframes, from 0.44 (all time) to 0.55 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
ST:
$6.46B
PDFS:
$2.21B
ST:
$0.33
PDFS:
$0.18
ST:
134.42
PDFS:
292.80
ST:
1.75
PDFS:
9.09
ST:
2.28
PDFS:
7.60
ST:
$3.73B
PDFS:
$231.38M
ST:
$1.04B
PDFS:
$167.77M
ST:
$711.50M
PDFS:
$23.76M
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Return for Risk
ST vs. PDFS — Risk / Return Rank
ST
PDFS
ST vs. PDFS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Sensata Technologies Holding plc (ST) and PDF Solutions, Inc. (PDFS). 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.
| ST | PDFS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.10 | ||
| Sortino ratioReturn per unit of downside risk | -0.82 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.33 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 2.27 | 4.81 | -2.54 |
| Martin ratioReturn relative to average drawdown | 6.04 | 12.41 | -6.36 |
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Drawdowns
ST vs. PDFS - Drawdown Comparison
The maximum ST drawdown since its inception was -71.75%, smaller than the maximum PDFS drawdown of -95.46%. Use the drawdown chart below to compare losses from any high point for ST and PDFS.
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Drawdown Indicators
| ST | PDFS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.75% | -95.46% | +23.71% |
Max Drawdown (1Y)Largest decline over 1 year | -18.00% | -27.07% | +9.07% |
Max Drawdown (3Y)Largest decline over 3 years | -61.56% | -64.59% | +3.03% |
Max Drawdown (5Y)Largest decline over 5 years | -71.75% | -65.53% | -6.22% |
Max Drawdown (10Y)Largest decline over 10 years | -71.75% | -68.00% | -3.75% |
Current DrawdownCurrent decline from peak | -27.81% | -25.43% | -2.38% |
Average DrawdownAverage peak-to-trough decline | -22.78% | -43.93% | +21.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.74% | 10.46% | -3.72% |
Volatility
ST vs. PDFS - Volatility Comparison
The current volatility for Sensata Technologies Holding plc (ST) is 13.08%, while PDF Solutions, Inc. (PDFS) has a volatility of 29.37%. This indicates that ST experiences smaller price fluctuations and is considered to be less risky than PDFS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ST | PDFS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.08% | 29.37% | -16.29% |
Volatility (6M)Calculated over the trailing 6-month period | 31.29% | 50.62% | -19.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 40.94% | 62.14% | -21.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.04% | 49.59% | -12.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 34.95% | 46.85% | -11.90% |
Dividends
ST vs. PDFS - Dividend Comparison
ST's dividend yield for the trailing twelve months is around 1.08%, while PDFS has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
PDFS PDF Solutions, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ST Sensata Technologies Holding plc | 1.08% | 1.44% | 1.75% | 1.25% | 0.82% |
Financials
ST vs. PDFS - Financials Comparison
This section allows you to compare key financial metrics between Sensata Technologies Holding plc and PDF Solutions, 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
ST vs. PDFS - Profitability Comparison
ST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Sensata Technologies Holding plc reported a gross profit of 286.30M and revenue of 934.80M. Therefore, the gross margin over that period was 30.6%.
PDFS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, PDF Solutions, Inc. reported a gross profit of 43.19M and revenue of 60.13M. Therefore, the gross margin over that period was 71.8%.
ST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Sensata Technologies Holding plc reported an operating income of 141.60M and revenue of 934.80M, resulting in an operating margin of 15.2%.
PDFS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, PDF Solutions, Inc. reported an operating income of 6.31M and revenue of 60.13M, resulting in an operating margin of 10.5%.
ST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Sensata Technologies Holding plc reported a net income of 87.10M and revenue of 934.80M, resulting in a net margin of 9.3%.
PDFS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, PDF Solutions, Inc. reported a net income of 4.79M and revenue of 60.13M, resulting in a net margin of 8.0%.
Frequently Asked Questions
ST and PDFS have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PDFS has higher volatility (29.37%) compared to ST (13.08%). In terms of maximum drawdown, ST dropped -71.75% vs PDFS's -95.46%.
PDFS currently has the higher Sharpe Ratio (2.10 vs 1.00), 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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