ARQQ: Arqit Quantum Inc.

As of Friday, September 18th, 2026

$ 20.13

+0.61 +3.13%

Open: 19.76
High: 20.48
Low: 18.41
Volume: 65,234
Previous Close on Thursday, September 17th, 2026

$ 19.52

+0.50 +2.63%

Open: 19.59
High: 19.95
Low: 19.25
Volume: 245,547
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Historical Data


Date Open High Low Close Volume Chg %Chg
2026-09-18 19.76 20.48 18.41 20.13 65,234 +0.61 +3.13
2026-09-17 19.59 19.95 19.25 19.52 245,547 +0.50 +2.63
2026-09-16 18.21 19.33 18.08 19.02 447,024 +0.75 +4.11
2026-09-15 16.66 19.00 16.40 18.27 765,043 +1.98 +12.15
2026-09-14 19.22 19.22 16.07 16.29 1,478,848 -3.76 -18.75
2026-09-11 20.71 20.95 20.00 20.05 123,002 -0.53 -2.58
2026-09-10 20.70 21.71 20.55 20.58 171,462 -1.06 -4.90
2026-09-09 22.21 22.82 21.40 21.64 259,521 -0.95 -4.21

Metrics and Technicals


Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 20.48
On 2026-09-18
16.07
On 2026-09-14
0.08 0.40 19.22
On 2026-09-14
16.40
On 2026-09-15
-14.67 18.65
10D 23.29
On 2026-09-08
16.07
On 2026-09-14
-0.49 -2.38 23.29
On 2026-09-08
16.07
On 2026-09-14
-31.00 19.95
20D 23.29
On 2026-09-08
16.07
On 2026-09-14
-0.81 -3.87 23.29
On 2026-09-08
16.07
On 2026-09-14
-31.00 20.15
WTD 20.48
On 2026-09-18
16.07
On 2026-09-14
0.08 0.40 19.22
On 2026-09-14
16.40
On 2026-09-15
-14.67 18.65
MTD 23.29
On 2026-09-08
16.07
On 2026-09-14
0.25 1.26 23.29
On 2026-09-08
16.07
On 2026-09-14
-31.00 19.96
As of Friday, September 18th, 2026
 
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Markets
Ticker Last Chg %Chg Volume
DJIA

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51,682.64 -95.40 -0.18 846,991,233
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NDX

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NYSE Composite Index

23,998.76 -90.79 -0.38
XAX

NYSE AMEX Composite Index

8,602.36 -22.89 -0.27
RUI

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RUT

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2,860.40 -14.23 -0.50
RUA

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VIX

CBOE Volatility Index

14.81 -0.63 -4.08
VIX1Y

CBOE S&P 500 One-Year Volatility Index

21.74 +0.03 +0.14
VIX6M

CBOE S&P 500 6-Month Volatility Index

20.21 -0.08 -0.39
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CBOE S&P 500 3-Month Volatility Index

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ARQQ

Arqit Quantum Inc.

20.13 +0.61 +3.13 65,234