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StockVS

NYSE · Insurance - Specialty · USD

Octave Specialty Group, Inc. (OSG) Stock Analysis

Octave Specialty Group, Inc. (OSG) is a Insurance - Specialty stock listed on NYSE and quoted in US Dollar.

Last Updated: October 21, 2026

OSG

$4.73

−$0.02 (−0.42%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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OSG Key Statistics

As of Oct 21, 2026
Trading
Open
$4.77
Previous Close
$4.75
Day's Range
4.68–4.77
52-Week Range
3.88–10.38
Volume
244.68K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.86
Valuation
Market Cap
$213.09M
P/E Ratio
unprofitable
Forward P/EShare price divided by forecast earnings for the year ahead, rather than the year just past.
8.02
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
0.66
EPS (ttm)Profit attributable to each share over the last twelve months.
−1.98
Financials (FY)
Revenue (FY)
$248.64M+5.66%
Net Income (FY)
−$261.69M
Profit marginThe share of revenue left as profit after all costs and taxes.
−51.11%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
45.05M
1-Year Return
−42.74%
Dividend and dates
Earnings Date
November 9, 2026
Avg Volume
492.29K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, OSG closed at $4.73, −42.74% over 1 year.

Octave Specialty Group, Inc. (OSG) has a market capitalization of $213.09M.

In fiscal 2025, OSG reported revenue of $248.64M.

OSG Stock Return by Calendar Year

Octave Specialty Group, Inc. (OSG) 10-year return: what $10,000 became

1 year
$10,000 $5,726
−42.74%
5 years
$10,000 $2,791
−72.09%
10 years
$10,000 $2,451
−75.49%

If you had invested $10,000 in Octave Specialty Group, Inc. (OSG) 10 years ago, at the close on October 21, 2016, it would have been worth $2,451 at the close on October 21, 2026: −75.49% in total, −13.12% a year. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−39.20%
2025−38.50%
2024−23.24%
2023−5.50%
2022+8.66%
2021+4.36%
2020−28.70%
2019+25.12%
2018+7.88%
2017−28.98%
2016 (partial year)+20.77%

As of October 21, 2026.

OSG Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$248.64M−$261.69M−105.2%
2024$235.32M−$556.45M−236.5%
2023$124.75M$3.63M2.9%
2022$53.61M$521.25M972.3%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$248.64M——−$261.69M−105.2%
2024$235.32M——−$556.45M−236.5%
2023$124.75M——$3.63M2.9%
2022$53.61M——$521.25M972.3%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

OSG Valuation vs Insurance - Specialty Median

Median of 16 stocks
MetricOSGInsurance - Specialty medianvs median
P/S ratio0.661.6459% below
Profit margin−51.11%13.90%65.0 pts below

Medians across 16 Insurance - Specialty stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Octave Specialty Group, Inc. (OSG) is capitalised at $213.09M on the latest close. The company sits in the Financial Services sector, in the Insurance - Specialty industry. Headcount on file is 483.

The 52-week range on file runs from $3.88 to $10.38. OSG last closed at $4.73 on October 21, 2026. That is −$0.02 (−0.42%) against the previous close. The latest close sits 21.91% above that 52-week low.

Financial Health

Fiscal 2025 revenue came to $248.64M. That is +5.66% against the prior fiscal year, when revenue was $235.32M. The same year closed with a net loss of $261.69M. Profit margin runs at −51.11%. That is 65 percentage points below the Insurance - Specialty median of 13.9%. Trailing earnings per share are −1.98.

Across the 4 fiscal years on file, revenue moves from $53.61M in 2022 to $248.64M in 2025. Of those 4 years, 2 report positive net income.

Valuation Assessment

No trailing P/E applies: the last reported earnings figure is negative. On forward earnings the ratio is 8.02. Measured against sales, the shares trade at 0.66 times revenue. On price-to-sales that is 59.49% below the Insurance - Specialty median of 1.64. 16 Insurance - Specialty companies report these metrics, and the medians quoted come from that group.

The trailing one-year total return is −42.74%. Measured over 10 years, that is −13.12% a year compounded. Beta against the wider market is reported at 0.86. Annualized volatility over the trailing 10 years is 49.46%.

Growth & Income

The record shows no dividend for OSG.

Across the complete calendar years on file, 2019 returned +25.12% and 2025 returned −38.50%. Of the 9 complete calendar years on file, 4 finished higher. So far in 2026 the total return is −39.20%.

Peer Comparison

Octave Specialty Group, Inc. (OSG) operates in the Insurance - Specialty industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Octave Specialty Group, Inc. OSG $213.09M —
Fidelity National Financial, Inc. FNF $10.89B 14.1
AXIS Capital Holdings Limited AXS $7.33B 7.2
First American Financial Corporation FAF $6.79B 9.2

The Insurance - Specialty industry average P/E ratio is 9.4x. Octave Specialty Group, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Octave Specialty Group, Inc.

Octave Specialty Group, Inc., an insurance holding company, primarily engages in the specialty property and casualty insurance business in the United States and the United Kingdom. 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 property, niche specialty risk, accident and health, miscellaneous specialty, reinsurance, surety, marine and energy, specialty auto, excess and surplus lines commercial package, professional lines, and directors' and officers' insurance. 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 incorporated in 1991 and is headquartered in New York, New York.

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