Middlefield Banc (MBCN) Stock Chart & Stock Price History $28.27 +0.51 (+1.84%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$28.71 +0.44 (+1.56%) As of 10/17/2025 04:32 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Middlefield Banc Stock Price Performance The Middlefield Banc (MBCN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 2.76%, with a year-to-date return of 0.78%. In the past month, the stock has decreased 12.61%, reflecting recent market activity. As of the latest close, Middlefield Banc traded at $28.27 with a market cap of $228.42 million and volume of 5,878 shares. Five years ago, the stock traded at $19.94, representing a 41.78% increase over that period. At the time, it had a market cap of $127.18 million and a volume of 2,716 shares. Receive MBCN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Middlefield Banc and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-3.81%1 Month Performance-12.61%3 Month Performance-5.01%Year-To-Date Performance+0.78%1 Year Performance+2.76%5 Year Performance+41.78% MBCN Stock Chart for Sunday, October, 19, 2025 MBCN Chart by TradingView Middlefield Banc 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 Capitalization10/17/2025$27.76$28.27+1.84%$28.65$27.825,878 shs$228.42 million10/16/2025$28.67$27.76-3.17%$28.42$27.765,039 shs$224.33 million10/15/2025$29.39$28.67-2.45%$29.72$28.673,871 shs$231.65 million10/14/2025$28.25$29.39+4.04%$29.52$27.905,832 shs$237.47 million10/13/2025$27.25$28.25+3.67%$28.25$27.476,336 shs$228.29 million10/10/2025$28.25$27.25-3.54%$28.33$27.2514,194 shs$220.21 million10/09/2025$28.96$28.25-2.45%$28.67$28.257,200 shs$228.26 million10/08/2025$28.62$28.96+1.19%$28.99$28.644,214 shs$234.00 million10/07/2025$29.47$28.62-2.88%$29.50$28.627,729 shs$231.28 million10/06/2025$30.08$29.47-2.03%$30.38$29.475,641 shs$238.12 million Get the Latest News and Ratings for MBCN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Middlefield Banc and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$29.40$30.08+2.31%$30.08$29.748,057 shs$243.05 million10/02/2025$29.56$29.40-0.54%$29.40$29.067,182 shs$237.55 million10/01/2025$30.01$29.56-1.50%$29.85$29.566,286 shs$238.85 million09/30/2025$30.35$30.01-1.12%$30.11$29.916,635 shs$242.48 million09/29/2025$31.03$30.35-2.19%$30.44$30.353,375 shs$245.23 million09/26/2025$30.98$31.03+0.16%$31.03$30.985,299 shs$250.72 million09/25/2025$30.36$30.98+2.04%$31.08$30.214,421 shs$250.32 million09/24/2025$31.40$30.36-3.31%$31.23$30.366,185 shs$245.34 million09/23/2025$32.05$31.40-2.03%$32.08$30.995,240 shs$253.71 million09/22/2025$32.35$32.05-0.93%$32.25$31.715,110 shs$258.96 million09/19/2025$33.29$32.35-2.82%$33.93$32.0029,261 shs$261.39 million09/18/2025$31.31$33.29+6.32%$33.29$32.046,920 shs$269.02 million Related Companies OSBC Stock Chart OPFI Stock Chart BHRB Stock Chart FMBH Stock Chart ATLC Stock Chart ESQ Stock Chart LX Stock Chart BKKT Stock Chart SBSI Stock Chart AMAL Stock Chart Receive MBCN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Middlefield Banc and its competitors with MarketBeat's FREE daily newsletter. 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