Auction Technology Group (ATG) Stock Chart & Stock Price History GBX 335 0.00 (0.00%) As of 08/14/2025 11:52 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesBuy This Stock Auction Technology Group Stock Price Performance The Auction Technology Group (ATG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 23.25%, with a year-to-date return of -39.09%. In the past month, the stock has decreased 28.03%, reflecting recent market activity. As of the latest close, Auction Technology Group traded at GBX 335 with a market cap of £413.84 million and volume of 280,145 shares. Receive ATG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Auction Technology Group and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-1.47%1 Month Performance-28.03%3 Month Performance-31.00%Year-To-Date Performance-39.09%1 Year Performance-23.25% ATG Stock Chart for Friday, August, 15, 2025 ATG Chart by TradingView Auction Technology Group 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 Capitalization08/14/2025GBX 335GBX 335GBX 343GBX 329280,145 shs£413.84 million08/13/2025GBX 334GBX 335+0.30%GBX 335GBX 329729,836 shs£413.84 million08/12/2025GBX 337GBX 334-0.89%GBX 352GBX 330268,504 shs£412.61 million08/11/2025GBX 340GBX 337-0.88%GBX 342GBX 335342,466 shs£416.31 million08/08/2025GBX 350GBX 340-2.86%GBX 350.50GBX 334397,636 shs£420.02 million08/07/2025GBX 348.50GBX 350+0.43%GBX 353.50GBX 346.50554,287 shs£432.37 million08/06/2025GBX 367.50GBX 348.50-5.17%GBX 371GBX 345856,396 shs£430.52 million08/05/2025GBX 376GBX 367.50-2.26%GBX 383GBX 365.50435,081 shs£453.99 million08/04/2025GBX 480GBX 376-21.67%GBX 465.50GBX 3702.08 million shs£464.49 million08/01/2025GBX 492.50GBX 480-2.54%GBX 510GBX 480110,848 shs£592.97 million Get the Latest News and Ratings for ATG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Auction Technology Group and its competitors with MarketBeat's FREE daily newsletter. 07/31/2025GBX 486GBX 492.50+1.34%GBX 497.50GBX 485.50129,673 shs£608.41 million07/30/2025GBX 484.50GBX 486+0.31%GBX 486GBX 470110,938 shs£600.38 million07/29/2025GBX 493GBX 484.50-1.72%GBX 513GBX 477.50279,139 shs£598.53 million07/28/2025GBX 494GBX 493-0.20%GBX 504GBX 489.50147,160 shs£609.03 million07/25/2025GBX 477.50GBX 494+3.46%GBX 494GBX 472192,556 shs£610.26 million07/24/2025GBX 466.50GBX 477.50+2.36%GBX 482GBX 467.50110,367 shs£589.88 million07/23/2025GBX 475GBX 466.50-1.79%GBX 484.50GBX 463.50250,672 shs£576.29 million07/22/2025GBX 481GBX 475-1.25%GBX 481GBX 460181,180 shs£586.79 million07/21/2025GBX 480GBX 481+0.21%GBX 481GBX 474136,197 shs£594.20 million07/18/2025GBX 471.50GBX 480+1.80%GBX 490GBX 470.50100,882 shs£592.97 million07/17/2025GBX 469.50GBX 471.50+0.43%GBX 491.50GBX 461.50130,983 shs£582.47 million07/16/2025GBX 465.50GBX 469.50+0.86%GBX 475.50GBX 460.50222,162 shs£580.00 million07/15/2025GBX 470.50GBX 465.50-1.06%GBX 479.50GBX 460521,856 shs£575.05 million07/14/2025GBX 495GBX 470.50-4.95%GBX 496.50GBX 465.50691,016 shs£581.23 million Related Companies Trustpilot Group Stock Price Chart Kainos Group Stock Price Chart Learning Technologies Group Stock Price Chart Alfa Financial Software Stock Price Chart First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulation Stock Price Chart GB Group Stock Price Chart NCC Group Stock Price Chart Cerillion Stock Price Chart IDOX Stock Price Chart Big Technologies Stock Price Chart Receive ATG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Auction Technology Group and its competitors with MarketBeat's FREE daily newsletter. 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