Ambac Financial Group (AMBC) Stock Chart & Stock Price History $9.16 +0.22 (+2.46%) As of 01:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Ambac Financial Group Stock Price Performance The Ambac Financial Group (AMBC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 21.71%, with a year-to-date return of -27.59%. In the past month, the stock has increased 10.43%, reflecting recent market activity. As of the latest close, Ambac Financial Group traded at $8.92 with a market cap of $413.89 million and volume of 403,970 shares. Five years ago, the stock traded at $11.63, representing a 21.24% decrease over that period. At the time, it had a market cap of $532.76 million and a volume of 616,407 shares. Receive AMBC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ambac Financial Group 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance+2.63%1 Month Performance+10.43%3 Month Performance+32.98%Year-To-Date Performance-27.59%1 Year Performance-21.71%5 Year Performance-21.24% AMBC Stock Chart for Thursday, September, 18, 2025 AMBC Chart by TradingView Ambac Financial 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 Capitalization09/17/2025$8.77$8.92+1.71%$9.12$8.82403,970 shs$413.89 million09/16/2025$8.79$8.77-0.17%$8.81$8.40534,076 shs$406.95 million09/15/2025$8.93$8.79-1.57%$9.03$8.73314,270 shs$407.62 million09/12/2025$8.90$8.93+0.28%$8.98$8.81259,699 shs$414.12 million09/11/2025$8.95$8.90-0.50%$8.99$8.69420,382 shs$412.96 million09/10/2025$9.12$8.95-1.92%$9.14$8.84440,843 shs$415.07 million09/09/2025$9.19$9.12-0.71%$9.28$9.08477,781 shs$423.17 million09/08/2025$9.11$9.19+0.78%$9.22$8.93438,390 shs$426.18 million09/05/2025$9.21$9.11-1.03%$9.26$9.01465,056 shs$422.89 million09/04/2025$9.14$9.21+0.81%$9.24$9.05480,528 shs$427.32 million Get the Latest News and Ratings for AMBC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ambac Financial Group and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$8.91$9.14+2.53%$9.35$8.76861,437 shs$423.86 million09/02/2025$9.04$8.91-1.38%$9.12$8.78581,534 shs$413.42 million09/01/2025$9.04$9.04$9.10$8.90644,571 shs$419.24 million08/29/2025$9.01$9.04+0.32%$9.10$8.90644,571 shs$419.24 million08/28/2025$8.85$9.01+1.76%$9.03$8.79753,340 shs$417.88 million08/27/2025$8.75$8.85+1.20%$9.09$8.66705,019 shs$410.64 million08/26/2025$8.72$8.75+0.32%$8.87$8.63495,245 shs$405.79 million08/25/2025$8.66$8.72+0.72%$8.83$8.56546,275 shs$404.47 million08/22/2025$8.52$8.66+1.64%$8.78$8.55468,035 shs$401.59 million08/21/2025$8.50$8.52+0.24%$8.59$8.43518,415 shs$395.10 million08/20/2025$8.23$8.50+3.22%$8.64$8.24658,252 shs$394.17 million08/19/2025$8.30$8.23-0.78%$8.42$8.20533,425 shs$381.87 million08/18/2025$8.05$8.30+3.04%$8.40$8.03938,286 shs$384.89 million Related Companies TWFG Stock Chart Root Stock Chart Clover Health Investments Stock Chart International General Insurance Stock Chart Yuanbao Stock Chart Bowhead Specialty Stock Chart Tiptree Financial Stock Chart Hippo Stock Chart Heritage Insurance Stock Chart Waterdrop Stock Chart Receive AMBC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ambac Financial Group and its competitors with MarketBeat's FREE daily newsletter. 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