Arqit Quantum Inc. (ARQQ)
Showing Closing Date Range from Jul 28 to Oct 26, 2026 compared to Apr 28 to Jul 27, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:ir.arqit.uk
Current Period Close
$16.30
Jul 28, 2026 - Oct 26, 2026
Previous Period Close
$18.18
Apr 28, 2026 - Jul 27, 2026
Net Comparison Delta
$-1.88 (-10.37%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(58 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 26, 2026 | $16.30 | Jul 21, 2026 | $17.20 | -5.26% |
| Oct 23, 2026 | $16.41 | Jul 20, 2026 | $17.21 | -4.65% |
| Oct 22, 2026 | $15.81 | Jul 17, 2026 | $17.42 | -9.24% |
| Oct 21, 2026 | $16.40 | Jul 16, 2026 | $16.53 | -0.79% |
| Oct 20, 2026 | $15.31 | Jul 15, 2026 | $18.25 | -16.11% |
| Oct 19, 2026 | $14.02 | Jul 14, 2026 | $18.73 | -25.15% |
| Oct 16, 2026 | $14.02 | Jul 13, 2026 | $18.02 | -22.20% |
| Oct 15, 2026 | $15.90 | Jul 10, 2026 | $19.08 | -16.67% |
| Oct 14, 2026 | $15.37 | Jul 09, 2026 | $20.47 | -24.91% |
| Oct 13, 2026 | $16.84 | Jul 08, 2026 | $20.05 | -16.01% |
| Oct 12, 2026 | $16.66 | Jul 07, 2026 | $19.84 | -16.05% |
| Oct 09, 2026 | $17.23 | Jul 06, 2026 | $22.13 | -22.14% |
| Oct 08, 2026 | $18.43 | Jul 02, 2026 | $23.52 | -21.62% |
| Oct 07, 2026 | $22.55 | Jul 01, 2026 | $28.85 | -21.84% |
| Oct 06, 2026 | $23.43 | Jun 30, 2026 | $29.72 | -21.16% |
Page 1 of 4