Stock report · Delisted · NYSE

Ambac Financial Group Inc (AMBC)

8.98USD Delisted Final close · Nov 21, 2025

AMBC no longer trades. Ambac Financial Group was delisted from the NYSE in November 2025.

All prices on this page are historical. The last trade was on November 21, 2025, at $8.98.

AMBC stock price history

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Split-adjusted closing prices, 1991–2025

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
$34.68 · Mar 2014
All-time low
$6.53 · May 2025
Return since IPO
-55.1%
Beta
0.87
Book value / share
$18.06
Price / book
0.50

About Ambac Financial Group Inc

Ambac Financial Group, Inc. was a financial services holding company with two segments. The Specialty Property and Casualty Insurance segment wrote program insurance focused on commercial and personal liability risks.

The Insurance Distribution segment handled distribution of specialty property and casualty coverage through managing general agents, underwriters, an insurance broker and related businesses. In November 2025 the company changed its name to Octave Specialty Group, Inc.

Founded in 1971 and based in New York, New York, it saw its shares delisted from the NYSE in November 2025, with a final trade on November 21, 2025 at $8.98.

Exchange (former)
NYSE
Sector
Financial Services
Industry
Insurance - Specialty
Headquarters
New York, NY
Employees
380
IPO date
July 11, 1991
Delisted
November 21, 2025
SEC CIK
874501

Ambac Financial Group financials before the delisting

The last 5 fiscal years Ambac Financial Group reported as a public company, fiscal year ending December.

AMBC revenue and net income

RevenueNet income

AMBC earnings per share

Earnings per share

AMBC annual financials

Ambac Financial Group Inc revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
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

Net income is GAAP. EPS is adjusted (non-GAAP) EPS, as reported.

Ambac Financial Group stock FAQ

What happened to Ambac Financial Group stock?

Ambac Financial Group was delisted from the NYSE in November 2025. The final close was $8.98 on November 21, 2025.

Can I still buy AMBC stock?

No. AMBC is no longer listed on the NYSE or any other U.S. exchange; it was removed on November 21, 2025.

What was the last price of AMBC?

AMBC last closed at $8.98 on November 21, 2025, which valued the company at about $393.43M.

How did Ambac Financial Group do in its last full fiscal year?

In fiscal 2024, its last full year as a public company, Ambac Financial Group reported revenue of $235.81M and net income of −$556.4M.

When did Ambac Financial Group go public?

Ambac Financial Group shares started trading on July 11, 1991.

AMBC no longer trades, so there is no live quote. The information on this page is for reference only and is not investment advice; see our disclaimer.