Diploma (DPLM) Stock Chart & Stock Price History GBX 5,225 +125.00 (+2.45%) As of 06:21 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock Diploma Stock Price Performance The Diploma (DPLM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 22.48%, with a year-to-date return of 22.94%. In the past month, the stock has increased 7.33%, reflecting recent market activity. As of the latest close, Diploma traded at GBX 5,100 with a market cap of £6.80 billion and volume of 140,295 shares. Five years ago, the stock traded at GBX 1,841, representing a 183.81% increase over that period. At the time, it had a market cap of £2.08 billion and a volume of 156,112 shares. 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Email Address 5 Day Performance+0.48%1 Month Performance+7.33%3 Month Performance+36.96%Year-To-Date Performance+22.94%1 Year Performance+22.48%5 Year Performance+183.81% DPLM Stock Chart for Thursday, July, 24, 2025 DPLM Chart by TradingView Diploma Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/23/2025GBX 5,070GBX 5,100+0.59%GBX 5,135GBX 5,090140,295 shs£6.80 billion07/22/2025GBX 5,171.72GBX 5,070-1.97%GBX 5,170GBX 5,045234,895 shs£6.76 billion07/21/2025GBX 5,200GBX 5,171.72-0.54%GBX 5,235GBX 5,160147,558 shs£6.90 billion07/18/2025GBX 5,220GBX 5,200-0.38%GBX 5,274.85GBX 5,175190,932 shs£6.94 billion07/17/2025GBX 4,933.44GBX 5,220+5.81%GBX 5,583.91GBX 5,205458,634 shs£6.96 billion07/16/2025GBX 4,928GBX 4,933.44+0.11%GBX 4,972GBX 4,89424.69 million shs£6.58 billion07/15/2025GBX 4,904GBX 4,928+0.49%GBX 5,005GBX 4,912566,182 shs£6.57 billion07/14/2025GBX 4,908.75GBX 4,904-0.10%GBX 4,912GBX 4,842270,009 shs£6.54 billion07/11/2025GBX 4,942GBX 4,908.75-0.67%GBX 4,934GBX 4,882353,377 shs£6.55 billion07/10/2025GBX 4,856GBX 4,942+1.77%GBX 4,942GBX 4,832179,929 shs£6.59 billion Get the Latest News and Ratings for DPLM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Diploma and its competitors with MarketBeat's FREE daily newsletter. 07/09/2025GBX 4,837.37GBX 4,856+0.39%GBX 4,858GBX 4,800299,030 shs£6.48 billion07/08/2025GBX 4,858.57GBX 4,837.37-0.44%GBX 4,866GBX 4,814462,301 shs£6.45 billion07/07/2025GBX 4,842GBX 4,858.57+0.34%GBX 4,882GBX 4,834117,896 shs£6.48 billion07/04/2025GBX 4,878GBX 4,878GBX 4,906GBX 4,822296,946 shs£6.51 billion07/03/2025GBX 4,829.90GBX 4,878+1.00%GBX 4,906GBX 4,822296,946 shs£6.51 billion07/02/2025GBX 4,850GBX 4,829.90-0.41%GBX 4,854GBX 4,794254,417 shs£6.44 billion07/01/2025GBX 4,888GBX 4,850-0.78%GBX 4,908GBX 4,844343,369 shs£6.47 billion06/30/2025GBX 4,956GBX 4,888-1.37%GBX 4,974GBX 4,888171,293 shs£6.52 billion06/27/2025GBX 4,876GBX 4,956+1.64%GBX 4,960GBX 4,876216,450 shs£6.61 billion06/26/2025GBX 4,886GBX 4,876-0.20%GBX 4,912GBX 4,848328,611 shs£6.50 billion06/25/2025GBX 4,868GBX 4,886+0.37%GBX 4,910GBX 4,868277,929 shs£6.52 billion06/24/2025GBX 4,788GBX 4,868+1.67%GBX 4,904GBX 4,812407,228 shs£6.49 billion06/23/2025GBX 4,782GBX 4,788+0.13%GBX 4,810GBX 4,754199,266 shs£6.39 billion Related Companies Kerry Group Stock Chart Howden Joinery Group Stock Chart IG Group Stock Chart City of London Stock Chart Genus Stock Chart WH Smith Stock Chart Carclo Stock Chart Aukett Swanke Group Stock Chart Strip Tinning Stock Chart Bay Capital Stock Chart Receive DPLM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Diploma and its competitors with MarketBeat's FREE daily newsletter. 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