ARQQ · NASDAQ
Arqit Quantum (ARQQ) Stock Price & Fundamentals
$699.54+1.51%+$10.41End-of-day price as of Oct 9, 2026
Sample prices
Prices on this page are generated sample data for development, not real market data, so market cap, P/E and dividend yield are illustrative too.
Arqit Quantum (ARQQ) closed at $699.54 on Oct 9, 2026, up 1.51% from the previous close of $689.13.
Share price, past year
1Y +25.65%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $699.54 |
| Sep 30, 2026 | $707.67 |
| Aug 31, 2026 | $689.50 |
| Jul 31, 2026 | $680.35 |
| Jun 30, 2026 | $667.18 |
| May 29, 2026 | $652.15 |
| Apr 30, 2026 | $627.77 |
| Mar 31, 2026 | $619.66 |
| Feb 27, 2026 | $636.62 |
| Jan 30, 2026 | $659.22 |
| Dec 31, 2025 | $585.35 |
| Nov 28, 2025 | $573.42 |
| Oct 31, 2025 | $572.53 |
Key statistics
- 52-week range
- $546.13 – $718.37
Financials
Arqit Quantum reports to the SEC in international accounting standards (IFRS), which Laurel doesn't show yet.
Company profile
- Name
- Arqit Quantum Inc.
- Ticker
- ARQQ
- Exchange
- NASDAQ
- Industry (SEC SIC)
- Services-Prepackaged Software
- Headquarters
- 3 Orchard Place, London, X0 SW1H 0BF
- Incorporated in
- E9
- Fiscal year ends
- September
- SEC CIK
- 0001859690
Frequently asked questions
What is Arqit Quantum's stock price?
Arqit Quantum (ARQQ) closed at $699.54 on Oct 9, 2026, up 1.51% from the previous close of $689.13.
Sources and methodology
Fundamentals come from Arqit Quantum Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures