Range Low Price High Price Comment
30 days $25.56 $49.20 Monday, 17th Nov 2025 ARQQ stock ended at $25.96. This is 5.22% less than the trading day before Friday, 14th Nov 2025. During the day the stock fluctuated 11.58% from a day low at $25.61 to a day high of $28.57.
90 days $25.56 $62.00
52 weeks $7.00 $62.00

Historical Arqit Quantum Inc. prices

Date Open High Low Close Volume
Nov 17, 2025 $27.84 $28.57 $25.61 $25.96 432 195
Nov 14, 2025 $25.56 $29.38 $25.56 $27.39 914 626
Nov 13, 2025 $29.25 $29.69 $27.41 $27.53 580 819
Nov 12, 2025 $31.50 $32.72 $29.90 $30.32 307 833
Nov 11, 2025 $30.90 $32.32 $30.62 $31.41 344 890
Nov 10, 2025 $36.16 $36.50 $31.85 $32.19 736 980
Nov 07, 2025 $30.50 $34.51 $29.86 $33.84 596 040
Nov 06, 2025 $34.95 $35.00 $31.39 $31.97 502 655
Nov 05, 2025 $36.54 $36.87 $33.62 $34.25 650 505
Nov 04, 2025 $38.52 $40.30 $36.00 $36.01 531 024
Nov 03, 2025 $43.36 $43.36 $38.50 $40.73 696 174
Oct 31, 2025 $43.34 $46.20 $42.44 $43.63 480 147
Oct 30, 2025 $43.11 $44.55 $41.50 $42.39 444 531
Oct 29, 2025 $43.00 $46.65 $41.80 $45.37 648 087
Oct 28, 2025 $47.01 $48.00 $42.00 $42.99 726 583
Oct 27, 2025 $45.43 $49.20 $43.51 $47.04 1 057 703
Oct 24, 2025 $41.39 $44.10 $40.33 $42.71 863 826
Oct 23, 2025 $38.91 $39.99 $36.41 $39.03 909 858
Oct 22, 2025 $37.59 $37.79 $33.60 $35.08 1 032 930
Oct 21, 2025 $39.00 $40.54 $37.80 $38.55 506 869
Oct 20, 2025 $42.67 $43.16 $38.91 $39.56 781 395
Oct 17, 2025 $40.56 $41.64 $37.85 $41.49 1 149 362
Oct 16, 2025 $53.60 $53.60 $38.81 $39.56 3 000 907
Oct 15, 2025 $61.00 $61.11 $50.10 $53.47 1 335 092
Oct 14, 2025 $56.94 $60.50 $53.53 $58.16 878 698

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use ARQQ stock historical prices to predict future price movements?
Trend Analysis: Examine the ARQQ stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the ARQQ stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT ARQIT QUANTUM INC.
Arqit Quantum
Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud that enables any device to download a lightweight software agent, which can create encryption keys in partnership with any other device. The company is based in London, the United Kingdom....
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