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    Arqit Quantum Inc. (ARQQ)

    15.73 -1.87 (-10.63%)
    At close: October 30 at 4:00:01 PM EDT
    15.43 -0.30 (-1.91%)
    After hours: October 30 at 5:16:34 PM EDT
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    • Previous Close 17.60
    • Open 16.61
    • Bid 11.96 x 200
    • Ask 19.30 x 200
    • Day's Range 15.03 - 16.83
    • 52 Week Range 11.52 - 43.36
    • Volume 302,831
    • Avg. Volume 310,029
    • Market Cap (intraday) 273.74M
    • Beta (5Y Monthly) 2.79
    • PE Ratio (TTM) --
    • EPS (TTM) -3.21
    • Earnings Date (est.) Dec 9, 2026
    • Forward Dividend & Yield -- (0.00%)
    • Ex-Dividend Date --
    • 1y Target Est --

    Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud, a Platform as a Service that creates unbreakable software encryption keys. The company also provides maintenance and support, and professional services. Arqit Quantum Inc. is based in London, the United Kingdom.

    arqit.uk

    87

    Full Time Employees

    September 30

    Fiscal Year Ends

    Technology

    Sector

    Software - Infrastructure

    Industry

    More about Arqit Quantum Inc.

    Recent News

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    Performance Overview

    Trailing total returns as of 10/30/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

    YTD Return

    ARQQ
    28.11%
    S&P 500 (^GSPC)
    10.73%

    1-Year Return

    ARQQ
    62.89%
    S&P 500 (^GSPC)
    11.11%

    3-Year Return

    ARQQ
    54.59%
    S&P 500 (^GSPC)
    81.91%

    5-Year Return

    ARQQ
    97.12%
    S&P 500 (^GSPC)
    64.59%

    Statistics

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    Valuation Measures

    Annual

    • Market Cap

    • Enterprise Value

    • Trailing P/E

    • Forward P/E

    • PEG Ratio (current)

    • Price/Sales (ttm)

    • Price/Book (mrq)

    • Enterprise Value/Revenue

    • Enterprise Value/EBITDA

    Financial Highlights

    Profitability and Income Statement

    • Profit Margin

      0.00%

    • Return on Assets (ttm)

      -95.51%

    • Return on Equity (ttm)

      -220.21%

    • Revenue (ttm)

      1.09M

    • Net Income Avi to Common (ttm)

      -48.98M

    • Diluted EPS (ttm)

      -3.21

    Balance Sheet and Cash Flow

    • Total Cash (mrq)

      28.86M

    • Total Debt/Equity (mrq)

      7.62%

    • Levered Free Cash Flow (ttm)

      -19.7M

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    Company Insights

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