Arqit Quantum Inc. (ARQQ) Stock Price History
Historical prices from 2021 to 2026
- 1M
- +91.4%
- 3M
- +78.9%
- YTD
- -0.7%
- 1Y
- -35.8%
- 3Y
- -10.3%
- 5Y
- -37.1%
Loading 10-year price history...
ARQQ Historical Performance
ARQQ Annual Returns
Year-by-year price performance · 2021–2026
- 2021 annual price return
- +149.5%
- 2022 annual price return
- -82.4%
- 2023 annual price return
- -84.2%
- 2024 annual price return
- +224.2%
- 2025 annual price return
- -42.5%
- 2026 annual price return
- -32.9%
ARQQ Stock Price Trajectory (2021–2026)
As of June 21, 2026, Arqit Quantum Inc. (ARQQ) trades at $24.38, representing a -35.8% return over the past year. The stock has delivered a -90.2% total return over five years (-37.1% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $1,038.00 on September 23, 2021. From this peak, ARQQ has corrected -97.7%, currently trading 0% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers IONQ (+42.7% 1Y), QUBT (-43.6% 1Y), and RGTI (+88.2% 1Y), ARQQ has underperformed the peer group average. Compare ARQQ vs IONQ →
ARQQ Historical Price Data · from 2021
Rows 1–50 of 1,311| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 23.19 | 25.43 | 21.01 | 24.38 | 3.44M | +7.88% |
| 2026-06-17 | 19.89 | 24.09 | 19.50 | 22.60 | 2.76M | +13.34% |
| 2026-06-16 | 17.38 | 20.53 | 17.00 | 19.94 | 2.28M | +11.27% |
| 2026-06-15 | 14.37 | 18.63 | 14.37 | 17.92 | 3.02M | +31.76% |
| 2026-06-12 | 13.49 | 14.07 | 13.17 | 13.60 | 393K | -0.66% |
| 2026-06-11 | 13.05 | 13.84 | 12.77 | 13.69 | 491K | +4.58% |
| 2026-06-10 | 12.70 | 13.91 | 12.16 | 13.09 | 565K | +4.80% |
| 2026-06-09 | 13.20 | 14.16 | 12.07 | 12.49 | 846K | -2.57% |
| 2026-06-08 | 12.66 | 13.25 | 12.30 | 12.82 | 488K | +5.60% |
| 2026-06-05 | 13.24 | 13.24 | 11.80 | 12.14 | 784K | -14.63% |
| 2026-06-04 | 14.31 | 14.83 | 14.01 | 14.22 | 492K | -2.87% |
| 2026-06-03 | 15.55 | 15.96 | 14.55 | 14.64 | 723K | -10.02% |
| 2026-06-02 | 17.41 | 17.54 | 15.89 | 16.27 | 628K | -4.07% |
| 2026-06-01 | 16.23 | 17.33 | 15.88 | 16.96 | 499K | +2.73% |
| 2026-05-29 | 16.90 | 17.00 | 15.99 | 16.51 | 473K | -2.37% |
| 2026-05-28 | 15.88 | 17.80 | 15.88 | 16.91 | 1.05M | +5.03% |
| 2026-05-27 | 16.47 | 16.47 | 15.38 | 16.10 | 656K | -2.95% |
| 2026-05-26 | 18.02 | 18.04 | 15.90 | 16.59 | 1.08M | -5.15% |
| 2026-05-22 | 16.53 | 19.00 | 16.50 | 17.49 | 2.18M | +6.32% |
| 2026-05-21 | 13.96 | 17.40 | 13.81 | 16.45 | 2.07M | +25.67% |
| 2026-05-20 | 12.17 | 13.20 | 12.16 | 13.09 | 316K | +7.56% |
| 2026-05-19 | 12.32 | 12.55 | 11.93 | 12.17 | 375K | -4.47% |
| 2026-05-18 | 13.07 | 13.32 | 12.42 | 12.74 | 367K | -4.50% |
| 2026-05-15 | 13.53 | 13.53 | 12.91 | 13.34 | 331K | -3.82% |
| 2026-05-14 | 13.62 | 14.26 | 13.05 | 13.87 | 459K | +0.29% |
| 2026-05-13 | 14.11 | 14.23 | 13.50 | 13.83 | 404K | -3.96% |
| 2026-05-12 | 15.01 | 15.60 | 13.90 | 14.40 | 498K | -4.00% |
| 2026-05-11 | 14.43 | 15.43 | 14.43 | 15.00 | 474K | +0.27% |
| 2026-05-08 | 15.32 | 15.48 | 14.51 | 14.96 | 618K | -3.05% |
| 2026-05-07 | 15.37 | 16.23 | 15.05 | 15.43 | 624K | -1.59% |
| 2026-05-06 | 14.99 | 15.76 | 14.75 | 15.68 | 526K | +7.03% |
| 2026-05-05 | 14.69 | 14.83 | 13.95 | 14.65 | 243K | +1.60% |
| 2026-05-04 | 14.60 | 15.19 | 14.37 | 14.42 | 242K | -0.69% |
| 2026-05-01 | 14.17 | 14.64 | 13.97 | 14.52 | 236K | +1.11% |
| 2026-04-30 | 13.16 | 14.41 | 13.12 | 14.36 | 253K | +8.62% |
| 2026-04-29 | 14.01 | 14.11 | 13.04 | 13.22 | 261K | -6.17% |
| 2026-04-28 | 14.37 | 14.42 | 13.89 | 14.09 | 186K | -3.36% |
| 2026-04-27 | 14.39 | 15.00 | 14.25 | 14.58 | 213K | +0.34% |
| 2026-04-24 | 14.55 | 14.86 | 13.70 | 14.53 | 308K | +0.55% |
| 2026-04-23 | 15.40 | 15.50 | 14.14 | 14.45 | 327K | -8.31% |
| 2026-04-22 | 15.48 | 16.19 | 15.27 | 15.76 | 352K | +6.13% |
| 2026-04-21 | 16.20 | 16.90 | 14.80 | 14.85 | 602K | -8.05% |
| 2026-04-20 | 15.43 | 16.39 | 15.40 | 16.15 | 476K | +0.75% |
| 2026-04-17 | 16.25 | 16.73 | 15.86 | 16.03 | 727K | +1.65% |
| 2026-04-16 | 17.61 | 17.70 | 15.58 | 15.77 | 1.09M | -2.83% |
| 2026-04-15 | 15.25 | 16.60 | 15.01 | 16.23 | 1.17M | +16.18% |
| 2026-04-14 | 13.65 | 14.64 | 13.65 | 13.97 | 377K | +5.51% |
| 2026-04-13 | 12.30 | 13.35 | 11.91 | 13.24 | 196K | +5.67% |
| 2026-04-10 | 12.56 | 12.85 | 12.40 | 12.53 | 97K | +0.72% |
| 2026-04-09 | 12.76 | 12.99 | 12.36 | 12.44 | 159K | -3.27% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ARQQ — Frequently Asked Questions
Quick answers to the most common questions about buying ARQQ stock.
How has ARQQ stock performed recently?
ARQQ declined -35.8% over the past year, below its 5-year annualized CAGR of -37.1%. The stock trades above its 200-day moving average, reflecting the downtrend.
What is ARQQ's all-time high price?
Arqit Quantum Inc. reached $1038.00 on 2021-09-23. The 52-week high is $62.00. Current 1-year return of -35.8% places the stock further from historical peaks.
Where can I download ARQQ historical price data?
This page provides ARQQ daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2021-2026, downloadable in CSV format.