Ambac Financial Group Inc (AMBC) Stock
AMBC is no longer traded. Ambac Financial Group was delisted from the NYSE in November 2025.
Prices on this page are historical; the last trade was November 21, 2025 at $8.98.
Ambac Financial Group stock price history
AMBC final trading statistics
- Final close
- $8.98
- Final trading day
- Nov 21, 2025
- Market cap at delisting
- $393.43M
- Shares outstanding
- 43.81M
- Final 52-week range
- $5.99 – $13.64
- Avg. volume (final 3 mo.)
- 798,118
- All-time high (split-adj.)
- $34.68 · Mar 2014
- All-time low (split-adj.)
- $6.53 · May 2025
- Return since IPO
- -55.1%
- Beta
- 0.87
- Book value / share
- $18.06
- Price / book
- 0.50
Ambac Financial Group annual financials
| Fiscal year | Revenue | Net income | EPS |
|---|---|---|---|
| FY2024 | $235.81M | -$556.4M | $0.42 |
| FY2023 | $124.73M | $3.6M | $2.09 |
| FY2022 | $53.61M | $521.2M | $12.13 |
| FY2021 | $247.00M | -$17.0M | $0.66 |
| FY2020 | $156.00M | -$437.0M | -$8.20 |
Last five fiscal years reported before the delisting; fiscal year ending December. EPS is adjusted (non-GAAP) EPS as reported. Source: company filings via EODHD.
About Ambac Financial Group Inc
Octave Specialty Group, Inc. operates as a financial services holding company. It operates in two segments, Specialty Property and Casualty Insurance; and Insurance Distribution. The Specialty Property and Casualty Insurance segment provides specialty property and casualty program insurance with a focus on commercial and personal liability risks. The Insurance Distribution segment offers specialty property and casualty insurance distribution services, which include managing general agents, underwriters, insurance broker, and other distribution and underwriting businesses. The company was formerly known as Ambac Financial Group, Inc. and changed its name to Octave Specialty Group, Inc. in November 2025. The company was founded in 1971 and is headquartered in New York, New York.
Ambac Financial Group stock FAQ
What happened to Ambac Financial Group stock?
Ambac Financial Group stock was delisted from the NYSE. Its final close was $8.98 on November 21, 2025.
Is AMBC stock still trading?
No. AMBC was delisted from the NYSE in November 2025 and no longer trades on a U.S. exchange.
What was the last price of AMBC stock?
AMBC closed at $8.98 on its final trading day, November 21, 2025, for a market value of about $393.43M.
What were Ambac Financial Group's revenue and earnings in its last full fiscal year?
Ambac Financial Group reported revenue of $235.81M and net income of -$556.4M in fiscal 2024, its last full year as a public company.
When did Ambac Financial Group go public?
Ambac Financial Group Inc stock began trading on July 11, 1991.