ACNB (ACNB) Stock Chart & Stock Price History $44.82 -0.13 (-0.28%) As of 11:28 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ACNB Stock Price Performance The ACNB (ACNB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 6.27%, with a year-to-date return of 12.54%. In the past month, the stock has increased 1.62%, reflecting recent market activity. As of the latest close, ACNB traded at $44.95 with a market cap of $470.63 million and volume of 12,428 shares. Five years ago, the stock traded at $21.54, representing a 108.10% increase over that period. At the time, it had a market cap of $192.18 million and a volume of 19,024 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.10%1 Month Performance+1.62%3 Month Performance+9.04%Year-To-Date Performance+12.54%1 Year Performance+6.27%5 Year Performance+108.10% ACNB Stock Chart for Monday, September, 15, 2025 ACNB Chart by TradingView ACNB 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 Capitalization09/12/2025$45.19$44.95-0.53%$45.30$44.6712,428 shs$470.63 million09/11/2025$44.87$45.19+0.71%$45.47$44.6712,560 shs$473.14 million09/10/2025$44.51$44.87+0.81%$45.01$44.2011,385 shs$469.70 million09/09/2025$45.18$44.51-1.48%$44.73$44.4910,422 shs$466.02 million09/08/2025$44.91$45.18+0.60%$45.18$44.7211,074 shs$473.04 million09/05/2025$45.50$44.91-1.30%$45.75$44.7516,333 shs$470.21 million09/04/2025$44.88$45.50+1.38%$45.50$45.019,827 shs$476.39 million09/03/2025$44.81$44.88+0.16%$45.04$44.4924,248 shs$469.80 million09/02/2025$45.32$44.81-1.13%$45.04$43.8150,153 shs$469.16 million09/01/2025$45.32$45.32$45.94$45.0815,113 shs$474.50 million Get the Latest News and Ratings for ACNB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ACNB and its competitors with MarketBeat's FREE daily newsletter. 08/29/2025$46.07$45.32-1.63%$45.94$45.0815,113 shs$474.50 million08/28/2025$46.05$46.07+0.04%$46.20$45.737,548 shs$482.26 million08/27/2025$46.55$46.05-1.07%$46.68$45.9417,007 shs$482.14 million08/26/2025$46.00$46.55+1.20%$46.70$45.8416,064 shs$487.38 million08/25/2025$46.59$46.00-1.27%$46.53$45.9810,536 shs$481.53 million08/22/2025$44.10$46.59+5.65%$46.85$44.3943,443 shs$487.70 million08/21/2025$44.68$44.10-1.30%$46.24$42.6365,290 shs$461.73 million08/20/2025$44.35$44.68+0.74%$44.68$44.2412,378 shs$467.80 million08/19/2025$44.11$44.35+0.54%$44.64$43.5210,784 shs$464.26 million08/18/2025$44.11$44.11$44.38$43.849,613 shs$461.83 million08/15/2025$45.12$44.11-2.24%$45.55$44.0115,240 shs$461.83 million08/14/2025$45.27$45.12-0.33%$45.27$44.8513,624 shs$472.41 million Related Companies First Business Financial Services Stock Price Chart First Community Bancshares Stock Price Chart First Mid Bancshares Stock Price Chart Mercantile Bank Stock Price Chart MidWestOne Financial Group Stock Price Chart Origin Bancorp Stock Price Chart First Financial Corporation Indiana Stock Price Chart West Bancorporation Stock Price Chart Bar Harbor Bankshares Stock Price Chart Tompkins Financial Stock Price Chart Receive ACNB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ACNB and its competitors with MarketBeat's FREE daily newsletter. 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