Arqit Quantum Inc. (ARQQ) P/E Ratio History
Historical price-to-earnings valuation from 2023 to 2023
Loading P/E history...
ARQQ Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Arqit Quantum Inc. (ARQQ) trades at a price-to-earnings ratio of -5.7x, with a stock price of $14.65 and trailing twelve-month earnings per share of $-5.88.
The current P/E is 142% below its 5-year average of 13.8x. Over the past five years, ARQQ's P/E has ranged from a low of 13.8x to a high of 13.8x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Technology sector median P/E of 26.7x, ARQQ trades at a 121% discount to its sector peers. The sector includes 358 companies with P/E ratios ranging from 0.0x to 197.6x.
Relative to the broader market, ARQQ trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ARQQ DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ARQQ P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $4B | 12.4 | 0.74 | +7% | |
| $11B | 22.1 | 1.83 | +20% | |
| $17B | 12.3Lowest | 0.60Best | +21% | |
| $215B | 20.5 | 1.66 | +74%Best |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ARQQ Historical P/E Data (2023–2023)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2023 Q4 | Sat Sep 30 2023 00:00:00 GM | $14.88 | $1.08 | 13.8x | +0% |
Average P/E for displayed period: 13.8x
See ARQQ's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs ARQQ Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare ARQQ vs NVDA
Side-by-side business, growth, and profitability comparison vs NVIDIA Corporation.
Start ComparisonARQQ — Frequently Asked Questions
Quick answers to the most common questions about buying ARQQ stock.
Is ARQQ stock overvalued or undervalued?
ARQQ trades at -5.7x P/E, below its 5-year average of 13.8x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does ARQQ's valuation compare to peers?
Arqit Quantum Inc. P/E of -5.7x compares to sector median of 26.7x. The discount suggests lower growth expectations or higher risk.
What is ARQQ's PEG ratio?
ARQQ PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2023-2023.