PTC vs. WDC
PTC (PTC Inc.) and WDC (Western Digital Corporation) are both stocks. Both are in the Technology sector — PTC in Software - Application, WDC in Computer Hardware. Over the past 10 years, PTC returned 11.65%/yr vs 33.87%/yr for WDC. At a 0.31 correlation, their price movements are largely independent.
Performance
PTC vs. WDC - Performance Comparison
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Returns By Period
In the year-to-date period, PTC achieves a -34.75% return, which is significantly lower than WDC's 227.01% return. Over the past 10 years, PTC has underperformed WDC with an annualized return of 11.65%, while WDC has yielded a comparatively higher 33.87% annualized return.
PTC
- 1D
- -3.98%
- 1M
- -19.27%
- YTD
- -34.75%
- 6M
- -35.41%
- 1Y
- -33.53%
- 3Y*
- -6.92%
- 5Y*
- -3.58%
- 10Y*
- 11.65%
WDC
- 1D
- 6.35%
- 1M
- 13.96%
- YTD
- 227.01%
- 6M
- 219.46%
- 1Y
- 911.92%
- 3Y*
- 164.18%
- 5Y*
- 58.50%
- 10Y*
- 33.87%
PTC vs. WDC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PTC PTC Inc. | -34.75% | -5.25% | 5.09% | 45.75% | -0.92% | 1.29% | 59.71% | -9.66% | 36.42% | 31.34% |
WDC Western Digital Corporation | 227.01% | 283.68% | 13.86% | 65.99% | -51.62% | 17.73% | -10.89% | 77.14% | -51.90% | 19.83% |
Correlation
The correlation between PTC and WDC is -0.06, 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 | -0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.35 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.36 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990 | 0.31 |
The correlation between PTC and WDC shifts across timeframes, from -0.06 (1 year) to 0.36 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
PTC:
$13.81
WDC:
$23.29
PTC:
8.23
WDC:
24.17
PTC:
0.37
WDC:
0.56
PTC:
3.42
WDC:
13.31
PTC:
$3.00B
WDC:
$11.78B
PTC:
$2.54B
WDC:
$5.35B
PTC:
$1.67B
WDC:
$10.88B
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Return for Risk
PTC vs. WDC — Risk / Return Rank
PTC
WDC
PTC vs. WDC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PTC Inc. (PTC) and Western Digital Corporation (WDC). 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.
| PTC | WDC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -15.01 | ||
| Sortino ratioReturn per unit of downside risk | -8.23 | ||
| Omega ratioGain probability vs. loss probability | 0.82 | 1.95 | -1.13 |
| Calmar ratioReturn relative to maximum drawdown | -0.71 | 44.74 | -45.45 |
| Martin ratioReturn relative to average drawdown | -1.49 | 151.81 | -153.31 |
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Drawdowns
PTC vs. WDC - Drawdown Comparison
The maximum PTC drawdown since its inception was -95.28%, roughly equal to the maximum WDC drawdown of -96.20%. Use the drawdown chart below to compare losses from any high point for PTC and WDC.
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Drawdown Indicators
| PTC | WDC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.28% | -96.20% | +0.92% |
Max Drawdown (1Y)Largest decline over 1 year | -47.50% | -20.59% | -26.91% |
Max Drawdown (3Y)Largest decline over 3 years | -47.50% | -49.65% | +2.15% |
Max Drawdown (5Y)Largest decline over 5 years | -47.50% | -59.68% | +12.18% |
Max Drawdown (10Y)Largest decline over 10 years | -54.37% | -70.49% | +16.12% |
Current DrawdownCurrent decline from peak | -47.50% | -5.22% | -42.28% |
Average DrawdownAverage peak-to-trough decline | -45.13% | -52.07% | +6.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 22.46% | 6.06% | +16.40% |
Volatility
PTC vs. WDC - Volatility Comparison
The current volatility for PTC Inc. (PTC) is 15.51%, while Western Digital Corporation (WDC) has a volatility of 21.76%. This indicates that PTC experiences smaller price fluctuations and is considered to be less risky than WDC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PTC | WDC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.51% | 21.76% | -6.25% |
Volatility (6M)Calculated over the trailing 6-month period | 25.18% | 53.55% | -28.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.90% | 65.47% | -29.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.77% | 48.86% | -18.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.11% | 48.62% | -15.51% |
Dividends
PTC vs. WDC - Dividend Comparison
PTC has not paid dividends to shareholders, while WDC's dividend yield for the trailing twelve months is around 0.09%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PTC PTC 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% |
WDC Western Digital Corporation | 0.09% | 0.19% | 0.00% | 0.00% | 0.00% | 0.00% | 1.81% | 2.36% | 5.41% | 2.51% | 2.94% | 3.33% |
Financials
PTC vs. WDC - Financials Comparison
This section allows you to compare key financial metrics between PTC Inc. and Western Digital 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
PTC vs. WDC - Profitability Comparison
PTC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, PTC Inc. reported a gross profit of 660.69M and revenue of 774.30M. Therefore, the gross margin over that period was 85.3%.
WDC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported a gross profit of 1.68B and revenue of 3.34B. Therefore, the gross margin over that period was 50.2%.
PTC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, PTC Inc. reported an operating income of 295.80M and revenue of 774.30M, resulting in an operating margin of 38.2%.
WDC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported an operating income of 1.14B and revenue of 3.34B, resulting in an operating margin of 34.0%.
PTC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, PTC Inc. reported a net income of 590.72M and revenue of 774.30M, resulting in a net margin of 76.3%.
WDC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported a net income of 3.21B and revenue of 3.34B, resulting in a net margin of 96.0%.
Frequently Asked Questions
PTC and WDC have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WDC has higher volatility (21.76%) compared to PTC (15.51%). In terms of maximum drawdown, PTC dropped -95.28% vs WDC's -96.20%.
WDC currently has the higher Sharpe Ratio (14.07 vs -0.94), 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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