Grammer (GMM) Stock Chart & Stock Price History €6.55 0.00 (0.00%) As of 08/28/2025 Add Compare Share Share Chart Stock AnalysisChartHeadlinesBuy This Stock Grammer Stock Price Performance The Grammer (GMM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 7.75%, with a year-to-date return of 36.46%. In the past month, the stock has decreased 2.96%, reflecting recent market activity. As of the latest close, Grammer traded at €6.55 with a market cap of €95.92 million and volume of 1,587 shares. Five years ago, the stock traded at €14.95, representing a 56.19% decrease over that period. At the time, it had a market cap of €183.54 million and a volume of 993 shares. Receive GMM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Grammer and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day PerformanceN/A1 Month Performance-2.96%3 Month Performance-11.49%Year-To-Date Performance+36.46%1 Year Performance-7.75%5 Year Performance-56.19% GMM Stock Chart for Friday, August, 29, 2025 GMM Chart by TradingView Grammer 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 Capitalization08/28/2025€6.90€6.55-5.07%€6.80€6.551,587 shs$95.92 million08/26/2025€6.85€6.90+0.73%€6.95€6.90172 shs$101.04 million08/25/2025€6.85€6.85€6.85€6.75430 shs$100.31 million08/20/2025€6.75€6.90+2.22%€6.90€6.80175 shs$101.04 million08/19/2025€6.80€6.75-0.74%€6.95€6.75405 shs$98.84 million08/18/2025€6.80€6.80€6.85€6.8030 shs$99.58 million08/15/2025€6.60€6.70+1.52%€7.15€6.704,845 shs$98.11 million08/14/2025€6.70€6.60-1.49%€6.60€6.6022 shs$96.65 million08/12/2025€6.90€6.80-1.45%€6.80€6.651 shs$99.58 million08/11/2025€6.90€6.90€6.90€6.80770 shs$101.04 million Get the Latest News and Ratings for GMM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Grammer and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025€7.30€7.00-4.11%€7.25€7.00597 shs$102.51 million08/07/2025€6.75€7.30+8.15%€7.35€7.201,654 shs$106.90 million08/06/2025€6.80€6.75-0.74%€7.20€6.752,869 shs$98.84 million08/05/2025€6.50€6.80+4.62%€6.80€6.601,243 shs$99.58 million08/04/2025€6.50€6.50€6.80€6.50740 shs$95.18 million07/29/2025€6.85€6.75-1.46%€6.75€6.551,756 shs$98.84 million07/28/2025€6.85€6.85€6.85€6.252,064 shs$100.31 million Related Companies L'Air Liquide Stock Price Chart SAP Stock Price Chart ElringKlinger Stock Price Chart Bertrandt Aktiengesellschaft Stock Price Chart Voltabox Stock Price Chart Continental Aktiengesellschaft Stock Price Chart Plastiques du Val de Loire Stock Price Chart Knorr-Bremse Stock Price Chart HELLA GmbH & Co. KGaA Stock Price Chart JOST Werke Stock Price Chart Receive GMM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Grammer and its competitors with MarketBeat's FREE daily newsletter. This page (ETR:GMM) was last updated on 8/29/2025 by MarketBeat.com Staff From Our PartnersMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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