Auction Technology Group (ATG) Stock Chart & Stock Price History GBX 304 -4.50 (-1.46%) As of 10/15/2025 12:11 PM 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 30.81%, with a year-to-date return of -44.73%. In the past month, the stock has decreased 7.03%, reflecting recent market activity. As of the latest close, Auction Technology Group traded at GBX 304 with a market cap of £366.48 million and volume of 170,057 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. 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Read our full terms of service and privacy policy. 5 Day Performance-0.98%1 Month Performance-7.03%3 Month Performance-35.25%Year-To-Date Performance-44.73%1 Year Performance-30.81% ATG Stock Chart for Thursday, October, 16, 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 Capitalization10/15/2025GBX 308.50GBX 304-1.46%GBX 311GBX 300170,057 shs£366.48 million10/14/2025GBX 311GBX 308.50-0.80%GBX 311GBX 30511.13 million shs£371.90 million10/13/2025GBX 307GBX 311+1.30%GBX 313GBX 304.50293,108 shs£374.92 million10/10/2025GBX 314.50GBX 307-2.38%GBX 329GBX 3072.81 million shs£370.10 million10/09/2025GBX 316GBX 314.50-0.47%GBX 317GBX 310313,060 shs£379.14 million10/08/2025GBX 315.63GBX 316+0.12%GBX 319.50GBX 310.50278,239 shs£380.94 million10/07/2025GBX 317.09GBX 315.63-0.46%GBX 318GBX 311.50277,603 shs£380.50 million10/06/2025GBX 318.83GBX 317.09-0.55%GBX 321.89GBX 313.50277,533 shs£382.26 million10/03/2025GBX 319GBX 318.83-0.05%GBX 334GBX 314.50557,275 shs£383.85 million10/02/2025GBX 315.50GBX 319+1.11%GBX 320.50GBX 311394,254 shs£384.05 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. 10/01/2025GBX 322GBX 315.50-2.02%GBX 337GBX 315.50305,601 shs£379.84 million09/30/2025GBX 320GBX 322+0.63%GBX 323GBX 316.50571,926 shs£387.66 million09/29/2025GBX 328.50GBX 320-2.59%GBX 332.70GBX 316242,150 shs£385.25 million09/26/2025GBX 324GBX 328.50+1.39%GBX 331GBX 319.54276,502 shs£395.49 million09/25/2025GBX 329GBX 324-1.52%GBX 332.50GBX 322318,329 shs£390.07 million09/24/2025GBX 332GBX 329-0.90%GBX 347.50GBX 327.50178,608 shs£396.09 million09/23/2025GBX 332GBX 332GBX 341.50GBX 330.50273,434 shs£399.70 million09/22/2025GBX 336.37GBX 332-1.30%GBX 340.50GBX 330.50299,292 shs£399.70 million09/19/2025GBX 348GBX 336.37-3.34%GBX 353GBX 333.502.86 million shs£404.96 million09/18/2025GBX 328GBX 348+6.10%GBX 352GBX 329974,486 shs£418.96 million09/17/2025GBX 327GBX 328+0.31%GBX 330.50GBX 326461,705 shs£394.89 million09/16/2025GBX 330.50GBX 327-1.06%GBX 335GBX 321759,079 shs£393.68 million09/15/2025GBX 328GBX 330.50+0.76%GBX 340GBX 326.50246,809 shs£397.90 million Related Companies Kainos Group Stock Price Chart Trustpilot Group Stock Price Chart First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulation Stock Price Chart Alfa Financial Software 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 dotdigital Group 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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