SPXSY vs. DPLM.L
SPXSY (Spirax-Sarco Engineering PLC) and DPLM.L (Diploma plc) are both stocks. Both are in the Industrials sector — SPXSY in Specialty Industrial Machinery, DPLM.L in Industrial Distribution. Over the past 5 years, SPXSY returned -10.62%/yr vs 20.05%/yr for DPLM.L. At a 0.21 correlation, their price movements are largely independent.
Performance
SPXSY vs. DPLM.L - Performance Comparison
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Different Trading Currencies
SPXSY is traded in USD, while DPLM.L is traded in GBp. To make them comparable, the DPLM.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, SPXSY achieves a 2.76% return, which is significantly lower than DPLM.L's 34.26% return.
SPXSY
- 1D
- 0.32%
- 1M
- -2.38%
- YTD
- 2.76%
- 6M
- 4.75%
- 1Y
- 23.26%
- 3Y*
- -10.81%
- 5Y*
- -10.62%
- 10Y*
- —
DPLM.L
- 1D
- -0.06%
- 1M
- 0.29%
- YTD
- 34.26%
- 6M
- 31.94%
- 1Y
- 53.21%
- 3Y*
- 37.36%
- 5Y*
- 20.05%
- 10Y*
- 26.13%
SPXSY vs. DPLM.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
SPXSY Spirax-Sarco Engineering PLC | 2.76% | 9.14% | -35.47% | 7.18% | -42.06% | 98.57% | 2.19% | 41.14% | 79.09% |
DPLM.L Diploma plc | 34.26% | 35.84% | 18.60% | 38.51% | -25.30% | 53.16% | 13.26% | 76.89% | 4.27% |
Correlation
The correlation between SPXSY and DPLM.L is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.49 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (All Time) Calculated using the full available price history since Mar 1, 2018 | 0.21 |
Over the past year, SPXSY and DPLM.L have become more correlated (0.49) than their long-term average of 0.21, meaning their price movements have been converging.
Fundamentals
SPXSY:
$6.84B
DPLM.L:
£9.50B
SPXSY:
$2.40
DPLM.L:
£2.30
SPXSY:
19.35
DPLM.L:
30.68
SPXSY:
2.04
DPLM.L:
3.06
SPXSY:
5.61
DPLM.L:
9.03
SPXSY:
$3.36B
DPLM.L:
£3.10B
SPXSY:
$1.59B
DPLM.L:
£939.50M
SPXSY:
$767.18M
DPLM.L:
£751.40M
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Return for Risk
SPXSY vs. DPLM.L — Risk / Return Rank
SPXSY
DPLM.L
SPXSY vs. DPLM.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Spirax-Sarco Engineering PLC (SPXSY) and Diploma plc (DPLM.L). 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.
| SPXSY | DPLM.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.19 | ||
| Sortino ratioReturn per unit of downside risk | -1.88 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.39 | -0.24 |
| Calmar ratioReturn relative to maximum drawdown | 1.14 | 4.12 | -2.98 |
| Martin ratioReturn relative to average drawdown | 3.09 | 13.81 | -10.72 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPXSY | DPLM.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.70 | 1.89 | -1.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.28 | 0.63 | -0.91 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.81 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.27 | 0.63 | -0.36 |
Drawdowns
SPXSY vs. DPLM.L - Drawdown Comparison
The maximum SPXSY drawdown since its inception was -67.73%, roughly equal to the maximum DPLM.L drawdown of -69.05%. Use the drawdown chart below to compare losses from any high point for SPXSY and DPLM.L.
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Drawdown Indicators
| SPXSY | DPLM.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.73% | -69.05% | +1.32% |
Max Drawdown (1Y)Largest decline over 1 year | -20.46% | -12.86% | -7.60% |
Max Drawdown (3Y)Largest decline over 3 years | -49.76% | -23.66% | -26.10% |
Max Drawdown (5Y)Largest decline over 5 years | -67.73% | -45.73% | -22.00% |
Max Drawdown (10Y)Largest decline over 10 years | — | -45.73% | — |
Current DrawdownCurrent decline from peak | -55.86% | -3.36% | -52.50% |
Average DrawdownAverage peak-to-trough decline | -35.17% | -13.48% | -21.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.55% | 3.84% | +3.71% |
Volatility
SPXSY vs. DPLM.L - Volatility Comparison
Spirax-Sarco Engineering PLC (SPXSY) has a higher volatility of 10.95% compared to Diploma plc (DPLM.L) at 8.61%. This indicates that SPXSY's price experiences larger fluctuations and is considered to be riskier than DPLM.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPXSY | DPLM.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.95% | 8.61% | +2.34% |
Volatility (6M)Calculated over the trailing 6-month period | 22.89% | 23.49% | -0.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 33.44% | 28.05% | +5.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 38.43% | 31.82% | +6.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.04% | 32.07% | +23.97% |
Dividends
SPXSY vs. DPLM.L - Dividend Comparison
SPXSY's dividend yield for the trailing twelve months is around 2.46%, more than DPLM.L's 0.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DPLM.L Diploma plc | 0.90% | 1.14% | 1.35% | 1.54% | 1.62% | 0.37% | 1.37% | 1.43% | 2.11% | 1.84% | 1.92% | 2.39% |
SPXSY Spirax-Sarco Engineering PLC | 2.46% | 2.38% | 2.40% | 1.39% | 1.39% | 0.75% | 0.34% | 0.35% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
SPXSY vs. DPLM.L - Financials Comparison
This section allows you to compare key financial metrics between Spirax-Sarco Engineering PLC and Diploma plc. 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
SPXSY vs. DPLM.L - Profitability Comparison
SPXSY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Spirax-Sarco Engineering PLC reported a gross profit of 162.89M and revenue of 875.27M. Therefore, the gross margin over that period was 18.6%.
DPLM.L - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Diploma plc reported a gross profit of 225.50M and revenue of 851.10M. Therefore, the gross margin over that period was 26.5%.
SPXSY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Spirax-Sarco Engineering PLC reported an operating income of 162.89M and revenue of 875.27M, resulting in an operating margin of 18.6%.
DPLM.L - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Diploma plc reported an operating income of 171.30M and revenue of 851.10M, resulting in an operating margin of 20.1%.
SPXSY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Spirax-Sarco Engineering PLC reported a net income of 100.08M and revenue of 875.27M, resulting in a net margin of 11.4%.
DPLM.L - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Diploma plc reported a net income of 100.30M and revenue of 851.10M, resulting in a net margin of 11.8%.
Frequently Asked Questions
SPXSY and DPLM.L have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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