OSB Group (OSB) Stock Chart & Stock Price History GBX 562.50 +3.50 (+0.63%) As of 10/3/2025 12:13 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock OSB Group Stock Price Performance The OSB Group (OSB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 43.42%, with a year-to-date return of 39.03%. In the past month, the stock has increased 4.79%, reflecting recent market activity. As of the latest close, OSB Group traded at GBX 562.50 with a market cap of £2.03 billion and volume of 580,464 shares. Five years ago, the stock traded at GBX 281.40, representing a 99.89% increase over that period. At the time, it had a market cap of £1.23 billion and a volume of 328,470 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.89%1 Month Performance+4.79%3 Month Performance+5.73%Year-To-Date Performance+39.03%1 Year Performance+43.42%5 Year Performance+99.89% OSB Stock Chart for Sunday, October, 5, 2025 OSB Chart by TradingView OSB 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 Capitalization10/03/2025GBX 559GBX 562.50+0.63%GBX 565.50GBX 560.50580,464 shs£2.03 billion10/02/2025GBX 561.46GBX 559-0.44%GBX 564.50GBX 555.55317,189 shs£2.02 billion10/01/2025GBX 567.55GBX 561.46-1.07%GBX 568.50GBX 558489,935 shs£2.03 billion09/30/2025GBX 558.50GBX 567.55+1.62%GBX 570GBX 556982,144 shs£2.05 billion09/29/2025GBX 554GBX 558.50+0.81%GBX 560.50GBX 550.50735,997 shs£2.02 billion09/26/2025GBX 551.50GBX 554+0.45%GBX 558GBX 548.50337,491 shs£2.00 billion09/25/2025GBX 564GBX 551.50-2.22%GBX 563GBX 549357,640 shs£1.99 billion09/24/2025GBX 548GBX 564+2.92%GBX 564.50GBX 54291.87 million shs£2.04 billion09/23/2025GBX 550GBX 548-0.36%GBX 555GBX 544539,434 shs£1.98 billion09/22/2025GBX 539.50GBX 550+1.95%GBX 550GBX 535.50671,264 shs£1.99 billion Get the Latest News and Ratings for OSB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OSB Group and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025GBX 544GBX 539.50-0.83%GBX 547.50GBX 5371.94 million shs£1.95 billion09/18/2025GBX 545GBX 544-0.18%GBX 547.50GBX 540.501.72 million shs£1.97 billion09/17/2025GBX 544.17GBX 545+0.15%GBX 546.50GBX 538.50510,108 shs£1.97 billion09/16/2025GBX 555GBX 544.17-1.95%GBX 558.50GBX 541589,356 shs£2.00 billion09/15/2025GBX 553.50GBX 555+0.27%GBX 558GBX 552.50310,974 shs£2.01 billion09/12/2025GBX 554GBX 553.50-0.09%GBX 557.50GBX 550.50512,650 shs£2.00 billion09/11/2025GBX 541.50GBX 554+2.31%GBX 554GBX 539.75807,981 shs£2.00 billion09/10/2025GBX 543.50GBX 541.50-0.37%GBX 548GBX 540.50554,490 shs£1.96 billion09/09/2025GBX 540.56GBX 543.50+0.54%GBX 545.50GBX 528.50733,809 shs£1.97 billion09/08/2025GBX 536.81GBX 540.56+0.70%GBX 543GBX 535704,399 shs£1.96 billion09/05/2025GBX 537GBX 536.81-0.04%GBX 542.50GBX 532.5035.67 million shs£1.95 billion09/04/2025GBX 531GBX 537+1.13%GBX 541GBX 5311.01 million shs£1.90 billion Related Companies Paragon Banking Group Stock Chart Mortgage Advice Bureau Stock Chart LendInvest Stock Chart St. James's Place Stock Chart Phoenix Group Stock Chart M&G Stock Chart Schroders Stock Chart F&C Investment Trust Stock Chart Beazley Stock Chart Investec Group Stock Chart Receive OSB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for OSB Group and its competitors with MarketBeat's FREE daily newsletter. 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