Diploma (DPLM) Stock Chart & Stock Price History GBX 5,235 +331.00 (+6.75%) As of 10:41 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 22.43%, with a year-to-date return of 23.18%. In the past month, the stock has increased 10.21%, reflecting recent market activity. As of the latest close, Diploma traded at GBX 4,933.44 with a market cap of £6.58 billion and volume of 24.69 million shares. Five years ago, the stock traded at GBX 1,824, representing a 187.01% increase over that period. At the time, it had a market cap of £2.07 billion and a volume of 128,295 shares. 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Email Address 5 Day Performance+6.65%1 Month Performance+10.21%3 Month Performance+36.12%Year-To-Date Performance+23.18%1 Year Performance+22.43%5 Year Performance+187.01% DPLM Stock Chart for Thursday, July, 17, 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 Capitalization07/16/2025GBX 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 billion07/09/2025GBX 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 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. 07/02/2025GBX 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 billion06/20/2025GBX 4,784GBX 4,782-0.04%GBX 4,838GBX 4,782601,438 shs£6.38 billion06/19/2025GBX 4,804GBX 4,784-0.42%GBX 4,820GBX 4,755.18231,739 shs£6.38 billion06/18/2025GBX 4,750.24GBX 4,804+1.13%GBX 4,812GBX 4,730431,709 shs£6.41 billion06/17/2025GBX 4,716GBX 4,750.24+0.73%GBX 4,754GBX 4,676253,362 shs£6.34 billion06/16/2025GBX 4,660GBX 4,716+1.20%GBX 4,720GBX 4,644235,972 shs£6.29 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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