Arqit Quantum Inc.
ARQQ | NASDAQ
$23.53
+$3.40 (+16.89%)
At close: Sep 21, 2026, 4:00 PM ET
$23.02
-$0.51 (-2.17%)
Pre-market:
Sep 22, 2026, 4:53 AM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 20, 2026 | $390.15M | $41.34M | +11.85% |
| Dec 25, 2025 | $348.81M | -$144.05M | -29.23% |
| Dec 26, 2024 | $492.86M | $431.97M | +709.48% |
| Dec 28, 2023 | $60.89M | -$379.26M | -86.17% |
| Dec 29, 2022 | $440.15M | -$2.2B | -83.30% |
| Dec 30, 2021 | $2.64B | n/a | n/a |
Add to Watchlist
Select watchlists to add or remove ARQQ