Stock listing
Stuttgart:3D6 Arqit Quantum Inc. Aktie
German listing (Stuttgart) of Arqit Quantum Inc. · home listing NASDAQ:ARQQ
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Home listing price · NASDAQ:ARQQ
$15.31 USD +1.29 (+9.2%)
Close on Oct 20, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:ARQQ
- Day range
- $13.50 – $15.63 USDOct 20, 2026
- Volume
- 223,510 sharesOct 20, 2026
- Market cap
- $266.4M USDAt the close on Oct 20, 2026 · price × 17.40M shares outstanding

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ARQQ · Home | $15.31 USD | +1.29 (+9.2%) | 223,510 | $13.64 | $15.63 | $13.50 | $14.02 | Close on Oct 20, 2026 |
| Frankfurt:3D6 | €11.80 EUR | -0.805 (-6.4%) | 372 | €12.29 | €12.30 | €11.80 | €12.60 | Close on Oct 20, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:ARQQ · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $15.31 | +1.29 | +9.2% | $13.64 | $15.63 | $13.50 | 223,510 | |
| $14.02 | 0.00 | 0.0% | $14.62 | $14.64 | $13.37 | 402,203 | |
| $14.02 | -1.88 | -11.8% | $15.88 | $16.06 | $13.92 | 399,561 | |
| $15.90 | +0.53 | +3.4% | $14.97 | $15.90 | $14.50 | 325,075 | |
| $15.37 | -1.47 | -8.7% | $16.42 | $16.53 | $15.32 | 311,029 | |
| $16.84 | +0.185 | +1.1% | $16.47 | $17.19 | $16.21 | 231,796 | |
| $16.66 | -0.575 | -3.3% | $17.27 | $17.97 | $16.62 | 291,889 | |
| $17.23 | -1.20 | -6.5% | $19.22 | $19.36 | $16.29 | 741,300 | |
| $18.43 | -4.12 | -18.3% | $22.15 | $22.50 | $17.81 | 828,900 | |
| $22.55 | -0.88 | -3.8% | $22.33 | $22.69 | $22.00 | 171,000 | |
| $23.43 | -0.25 | -1.1% | $23.98 | $24.80 | $23.33 | 156,900 | |
| $23.68 | -0.94 | -3.8% | $24.34 | $24.44 | $23.48 | 166,200 | |
| $24.62 | +0.67 | +2.8% | $24.30 | $24.93 | $24.08 | 194,000 | |
| $23.95 | -0.11 | -0.5% | $24.00 | $24.16 | $23.05 | 129,700 | |
| $24.06 | -0.06 | -0.2% | $24.48 | $25.00 | $23.90 | 160,300 | |
| $24.12 | -0.52 | -2.1% | $24.86 | $25.10 | $23.80 | 212,400 | |
| $24.64 | +0.04 | +0.2% | $24.30 | $24.86 | $23.56 | 194,000 | |
| $24.60 | +1.48 | +6.4% | $23.16 | $24.99 | $22.49 | 370,300 | |
| $23.12 | +0.58 | +2.6% | $21.94 | $23.61 | $21.70 | 262,400 | |
| $22.54 | -0.50 | -2.2% | $23.30 | $23.55 | $22.02 | 236,800 | |
| $23.04 | -0.49 | -2.1% | $23.51 | $24.50 | $22.52 | 389,000 | |
| $23.53 | +3.40 | +16.9% | $20.55 | $23.68 | $20.53 | 463,500 | |
| $20.13 | +0.61 | +3.1% | $19.76 | $20.48 | $18.41 | 655,300 | |
| $19.52 | +0.51 | +2.7% | $19.59 | $19.95 | $19.25 | 246,500 | |
| $19.01 | +0.74 | +4.1% | $18.21 | $19.33 | $18.08 | 490,700 | |
| $18.27 | +1.98 | +12.2% | $16.66 | $19.00 | $16.40 | 768,700 | |
| $16.29 | -3.76 | -18.8% | $19.22 | $19.22 | $16.07 | 1,481,600 | |
| $20.05 | -0.53 | -2.6% | $20.71 | $20.95 | $20.00 | 131,400 | |
| $20.58 | -1.06 | -4.9% | $20.70 | $21.71 | $20.55 | 172,000 | |
| $21.64 | -0.95 | -4.2% | $22.21 | $22.82 | $21.40 | 259,600 | |
| $22.59 | +1.22 | +5.7% | $22.17 | $23.29 | $22.12 | 259,600 | |
| $21.37 | +0.75 | +3.6% | $20.85 | $21.40 | $20.23 | 149,200 | |
| $20.62 | +0.08 | +0.4% | $20.54 | $21.36 | $20.20 | 249,800 | |
| $20.54 | +1.64 | +8.7% | $18.60 | $21.28 | $18.60 | 667,500 | |
| $18.90 | -0.98 | -4.9% | $19.25 | $19.65 | $18.74 | 161,300 | |
| $19.88 | -0.16 | -0.8% | $19.33 | $20.46 | $19.24 | 121,600 | |
| $20.04 | -1.42 | -6.6% | $21.42 | $21.70 | $19.90 | 202,300 | |
| $21.46 | +1.10 | +5.4% | $21.05 | $21.95 | $20.85 | 189,900 | |
| $20.36 | -0.06 | -0.3% | $20.38 | $20.99 | $19.90 | 176,500 | |
| $20.42 | +0.29 | +1.4% | $20.92 | $21.70 | $20.12 | 190,300 | |
| $20.13 | -1.01 | -4.8% | $20.75 | $20.75 | $19.25 | 246,900 | |
| $21.14 | +0.20 | +1.0% | $21.34 | $22.49 | $20.35 | 719,800 | |
| $20.94 | -0.59 | -2.7% | $21.15 | $21.57 | $20.35 | 153,800 | |
| $21.53 | -0.45 | -2.0% | $21.50 | $21.88 | $20.75 | 328,800 | |
| $21.98 | -2.37 | -9.7% | $22.82 | $23.86 | $21.80 | 336,800 | |
| $24.35 | -0.01 | 0.0% | $24.12 | $24.63 | $23.30 | 226,700 | |
| $24.36 | +0.61 | +2.6% | $23.47 | $24.90 | $23.30 | 181,700 | |
| $23.75 | +0.03 | +0.1% | $23.92 | $24.37 | $23.02 | 226,300 | |
| $23.72 | -0.67 | -2.7% | $24.41 | $24.50 | $23.15 | 281,100 | |
| $24.39 | +1.78 | +7.9% | $23.09 | $24.50 | $22.58 | 209,700 | |
| $22.61 | -0.29 | -1.3% | $23.00 | $23.42 | $22.04 | 207,300 | |
| $22.90 | +1.43 | +6.7% | $21.98 | $23.19 | $21.51 | 258,200 | |
| $21.47 | +0.50 | +2.4% | $20.69 | $22.27 | $20.22 | 198,700 | |
| $20.97 | -1.01 | -4.6% | $21.69 | $21.83 | $20.01 | 342,000 | |
| $21.98 | +3.53 | +19.1% | $19.64 | $22.00 | $18.90 | 641,400 | |
| $18.45 | +1.32 | +7.7% | $17.46 | $18.59 | $17.14 | 261,600 | |
| $17.13 | -0.58 | -3.3% | $17.98 | $18.39 | $16.82 | 187,000 | |
| $17.71 | +2.22 | +14.3% | $16.15 | $17.80 | $16.04 | 306,600 | |
| $15.49 | -2.06 | -11.7% | $17.42 | $18.00 | $15.42 | 383,600 | |
| $17.55 | -0.63 | -3.5% | $17.59 | $18.06 | $16.66 | 324,600 | |
| $18.18 | +1.53 | +9.2% | $17.17 | $18.99 | $17.17 | 318,800 | |
| $16.65 | -1.70 | -9.3% | $18.48 | $18.78 | $16.63 | 285,400 | |
| $18.35 | +0.27 | +1.5% | $17.29 | $19.37 | $17.19 | 326,100 | |
| $18.08 | +0.88 | +5.1% | $17.45 | $19.15 | $17.19 | 433,300 | |
| $17.20 | -0.01 | -0.1% | $17.72 | $18.08 | $16.61 | 314,200 | |
| $17.21 | -0.21 | -1.2% | $17.35 | $17.87 | $16.85 | 267,900 |
- Ticker
- Stuttgart:3D6
- Asset type
- Stock
- Sector
- Technology
- Industry
- Software
- Exchange
- Stuttgart
- Currency
- EUR
What changed lately
Latest news release · Oct 8, 2026
Arqit Quantum Inc. Announces Select Preliminary Financial Results for the Second Half and Full Fiscal Year 2026
Latest earnings call · May 21, 2026
Arqit Quantum (NASDAQ:ARQQ) Q2 2026 Earnings Call
Replay and transcript
Latest deck · May 21, 2026
Q2 2026 Earnings Presentation
Earnings · 5 slides
Calls
Replays
Arqit Quantum (NASDAQ:ARQQ) Q2 2026 Earnings Call
Thu, May 21, 2026 · 11:00 AM ET
Watch TranscriptArqit Quantum (NASDAQ:ARQQ) Q4 2025 Earnings Call
Tue, Dec 09, 2025 · 11:00 AM ET
Watch TranscriptArqit Quantum (NASDAQ:ARQQ) Q1 2025 Earnings Call
Thu, May 22, 2025 · 11:00 AM ET
Watch Transcript
Latest news
Arqit Quantum Inc. Announces Select Preliminary Financial Results for the Second Half and Full Fiscal Year 2026
Oct 8, 2026
Closed $18.43 (-18.3%) on Oct 8, 2026
Arqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Satellite Security
Sep 1, 2026
Closed $18.90 (-4.9%) on Sep 1, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 5 slides · May 21, 2026
FY2021 Earnings Presentation
Earnings · 18 slides · Dec 16, 2021
Investor Presentation (September 2021)
Investor deck · 21 slides · Sep 8, 2021
SPAC Merger (August 2021)
SPAC merger · 30 slides · Aug 19, 2021
Arqit Quantum Inc. on 6ix
- Sector
- Technology
- Industry
- Software
- News releases
- 14 in the last 12 months · 102 in all · newest Oct 8, 2026 · oldest 2021
- Calls
- 8 calls with a replay · 8 with a transcript · latest May 21, 2026
- Decks
- 7 decks · latest May 21, 2026
Where Arqit Quantum Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ARQQ · Home listing | NASDAQ | United States | USD |
| gettex:3D6 | gettex | Germany | EUR |
| LS Exchange:A40P0P | LS Exchange | Germany | EUR |
| BOATS:ARQQ | BOATS | United States | USD |
| Tradegate:3D6 | Tradegate | Germany | EUR |
| Lang & Schwarz:A40P0P | Lang & Schwarz | Germany | EUR |
| Frankfurt:3D6 | Frankfurt | Germany | EUR |
| Stuttgart:3D6 · This page | Stuttgart | Germany | EUR |
| Dusseldorf:3D6 | Dusseldorf | Germany | EUR |
| Munich:3D6 | Munich | Germany | EUR |
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