About Diploma PLC (DPLM)
Diploma PLC is a Industrial Distribution company operating in the Industrials sector.
DPLM trades on the London Stock Exchange and is classified as a large-cap stock .
Key Statistics
- Current Price
- £7,195.00
- Market Cap
- £9.65B
- 52-Week High
- £7,980.00
- 52-Week Low
- £4,970.00
- Sector
- Industrials
- Industry
- Industrial Distribution
£1,000 Invested in Diploma PLC (DPLM)
How much would £1,000 invested in DPLM be worth today?
What would £1,000 invested in DPLM 1 year ago be worth today?
A £1,000 investment in Diploma PLC (DPLM) in 2025 would be worth £1,285 as of November 2026, representing a +28.5% total return.
What would £1,000 invested in DPLM 3 years ago be worth today?
A £1,000 investment in Diploma PLC (DPLM) in 2023 would be worth £2,474 as of November 2026, representing a +147.3% total return.
What would £1,000 invested in DPLM 5 years ago be worth today?
A £1,000 investment in Diploma PLC (DPLM) in 2021 would be worth £2,359 as of November 2026, representing a +135.9% total return.
What would £1,000 invested in DPLM 10 years ago be worth today?
A £1,000 investment in Diploma PLC (DPLM) in 2016 would be worth £7,804 as of November 2026, representing a +680.4% total return.
What would £1,000 invested in DPLM at IPO be worth today?
A £1,000 investment in Diploma PLC (DPLM) at IPO would be worth £78,711 as of November 2026, representing a +7771.1% total return.
Monthly Returns Heatmap
Over the past 38+ years (459 months), Diploma PLC (DPLM) has averaged a monthly return of +1.28% with a median return of +0.91%. The stock had 257 positive months (56%) and 197 negative months (43%). The best month in DPLM's history was October 1998 with a +26.6% return, while the worst was April 2000 at -45.6%. Historically, April tends to be the strongest month (averaging +2.7%), and October the weakest (-0.3%).
DPLM's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 6 consecutive months of losses. The best full year was 2003 with a cumulative return of +55.7%, and the worst was 1997 at -44.2%.
Annual Returns
Over 38 years of trading history, Diploma PLC (DPLM) has delivered an average annual return of +16.36% with a median return of +19.36%. The compound annual growth rate (CAGR) is +12.83%. The stock posted gains in 27 years (71%) and losses in 11 years (29%).
DPLM's best year was 2003 with a +69.74% gain, while the worst was 1997 at -38.76%. The longest streak of consecutive positive years was 9, and the longest losing streak was 5 years. DPLM achieved double-digit gains (10%+) in 23 years. It suffered double-digit losses in 6 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +35.90% | £5,294.43 | £7,195.00 |
| 2025 | +24.61% | £4,248.97 | £5,294.43 |
| 2024 | +18.67% | £3,580.55 | £4,248.97 |
| 2023 | +29.06% | £2,774.34 | £3,580.55 |
| 2022 | -17.71% | £3,371.43 | £2,774.34 |
| 2021 | +53.93% | £2,190.24 | £3,371.43 |
| 2020 | +8.32% | £2,022.08 | £2,190.24 |
| 2019 | +67.30% | £1,208.65 | £2,022.08 |
| 2018 | -2.95% | £1,245.36 | £1,208.65 |
| 2017 | +20.04% | £1,037.43 | £1,245.36 |
| 2016 | +36.56% | £759.68 | £1,037.43 |
| 2015 | +7.36% | £707.59 | £759.68 |
| 2014 | +5.06% | £673.49 | £707.59 |
| 2013 | +21.76% | £553.12 | £673.49 |
| 2012 | +63.29% | £338.74 | £553.12 |
| 2011 | +22.46% | £276.61 | £338.74 |
| 2010 | +57.06% | £176.11 | £276.61 |
| 2009 | +41.48% | £124.48 | £176.11 |
| 2008 | -32.75% | £185.12 | £124.48 |
| 2007 | +6.20% | £174.31 | £185.12 |
| 2006 | +12.05% | £155.57 | £174.31 |
| 2005 | +22.41% | £127.08 | £155.57 |
| 2004 | +21.52% | £104.58 | £127.08 |
| 2003 | +69.74% | £61.61 | £104.58 |
| 2002 | -0.92% | £62.18 | £61.61 |
| 2001 | +20.90% | £51.43 | £62.18 |
| 2000 | -29.97% | £73.45 | £51.43 |
| 1999 | +12.86% | £65.08 | £73.45 |
| 1998 | -26.73% | £88.82 | £65.08 |
| 1997 | -38.76% | £145.04 | £88.82 |
| 1996 | -6.36% | £154.89 | £145.04 |
| 1995 | -7.54% | £167.51 | £154.89 |
| 1994 | -23.21% | £218.13 | £167.51 |
| 1993 | +36.76% | £159.51 | £218.13 |
| 1992 | +53.26% | £104.07 | £159.51 |
| 1991 | +28.92% | £80.73 | £104.07 |
| 1990 | +17.24% | £68.85 | £80.73 |
| 1989 | -5.95% | £73.21 | £68.85 |
Frequently Asked Questions: DPLM
What sector is DPLM in? ▼
DPLM operates in the Industrials sector, specifically in the Industrial Distribution industry.
How has DPLM performed historically? ▼
Over 38 years of trading history, DPLM has posted gains in 27 years (71% of the time). The best year was 2003 with a +69.7% return. Past performance does not guarantee future results.
How can I invest in DPLM? ▼
You can invest in DPLM through any brokerage account that offers access to the London Stock Exchange. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold DPLM.
Last updated: 11/1/2026