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Arqit Quantum Inc. (ARQQ)

Technology | Software - Infrastructure | London, United Kingdom | NasdaqCM
20.04 USD -1.42 (-6.617%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 20.16 +0.12 (0.599%) ⇧ (Aug. 28, 2026, 7:30 p.m. EDT)

Short-term:★★★⯪☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 5:47 a.m. EDT

The long-term investment case is fundamentally broken. Despite a recent price recovery, the company has suffered a catastrophic multi-year decline, dropping nearly 88% over the last four years. The business is bleeding cash aggressively, with operating cash flow of -$42 million and free cash flow of nearly -$20 million, while posting negative returns on both assets and equity. With a forward P/E of negative infinity and a price-to-book ratio exceeding 12x, the market has already priced in a complete failure of the current business model. The recent rally appears to be a speculative reaction to contract wins and legal settlements, but the underlying economics remain dire. In the short term, however, the setup is volatile and potentially explosive. The options chain reveals a classic 'straddle' mentality where traders are betting on a massive swing in either direction, ignoring the odds of survival. The stock is trading near its 50-day average, showing some technical resilience, but the lack of analyst coverage and the sheer magnitude of the historical drawdown suggest this is a high-risk, high-reward lottery ticket rather than a momentum play. Investors should view this as a binary event trade, not a fundamental investment.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.317926
AutoARIMA0.327641
AutoETS0.327642
AutoTheta0.351632

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 33%
H-stat 0.65
Ljung-Box p 0.000
Jarque-Bera p 0.532
Excess Kurtosis -0.54
Attribute Value
Sector Technology
Debt to Equity Ratio 7.62
Revenue per Share 0.069
Market Cap 348,744,352
Forward P/E -18.91
Beta 2.27
Website https://arqit.uk

As of Aug. 22, 2026, 5:47 a.m. EDT: Speculators are positioning for extreme volatility rather than a specific directional outcome. Call Open Interest is heavily skewed toward strikes significantly above the current price (25, 30, 40), while Put Open Interest clusters deep in-the-money (5, 7.5, 12.5). This 'long gamma' setup suggests traders expect a massive binary event—either a parabolic rally or a crash—rather than a steady grind. The IV spikes on far-dated strikes confirm this expectation of a high-beta, event-driven move.


Info Dump

Attribute Value
52 Week Change -0.27757752
Address1 3 Orchard Place
All Time High 1,038.0
All Time Low 3.72
Ask 20.3
Ask Size 1
Average Daily Volume10 Day 277,180
Average Daily Volume3 Month 735,684
Average Volume 735,684
Average Volume10Days 277,180
Beta 2.268
Bid 15.48
Bid Size 2
Book Value 1.719
City London
Country United Kingdom
Crypto Tradeable 0
Currency USD
Current Price 20.04
Current Ratio 4.88
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 21.695
Day Low 20.0
Debt To Equity 7.62
Display Name Arqit Quantum
Earnings Call Timestamp End 1,779,375,600
Earnings Call Timestamp Start 1,779,375,600
Earnings Timestamp End 1,779,366,600
Earnings Timestamp Start 1,779,366,600
Ebitda -49,939,000
Ebitda Margins 0.0
Enterprise To Ebitda -6.119
Enterprise To Revenue 281.393
Enterprise Value 305,592,320
Eps Forward -1.06
Eps Trailing Twelve Months -2.84
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 21.3095
Fifty Day Average Change -1.2694988
Fifty Day Average Change Percent -0.059574313
Fifty Two Week Change Percent -27.757751
Fifty Two Week High 62.0
Fifty Two Week High Change -41.96
Fifty Two Week High Change Percent -0.6767742
Fifty Two Week Low 11.52
Fifty Two Week Low Change 8.52
Fifty Two Week Low Change Percent 0.7395834
Fifty Two Week Range 11.52 - 62.0
Financial Currency USD
First Trade Date Milliseconds 1,617,283,800,000
Float Shares 6,027,970
Forward Eps -1.06
Forward P E -18.905663
Free Cashflow -19,702,876
Full Exchange Name NasdaqCM
Full Time Employees 87
Fullday Change -1.42
Fullday Change Percent -6.61695
Fullday Price 20.16
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.49723998
Gross Profits 540,000
Has Pre Post Market Data 1
Held Percent Insiders 0.16108
Held Percent Institutions 0.7292
Implied Shares Outstanding 17,402,411
Industry Software - Infrastructure
Industry Disp Software - Infrastructure
Industry Key software-infrastructure
Ipo Expected Date 2,021-09-07
Is Earnings Date Estimate 0
Language en-US
Last Fiscal Year End 1,759,190,400
Last Split Date 1,727,222,400
Last Split Factor 1:25
Long Business Summary Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. The company offers QuantumCloud, a platform as a service that creates unbreakable software encryption keys. It also provides maintenance and support, and professional services. The company has a strategic collaboration with RAD for the development of a joint quantum-safe encryption solution for telecom networks. The company is based in London, the United Kingdom.
Long Name Arqit Quantum Inc.
Market us_market
Market Cap 348,744,352
Market State CLOSED
Max Age 86,400
Message Board Id finmb_598954721
Most Recent Quarter 1,774,915,200
Net Income To Common -48,978,000
Next Fiscal Year End 1,790,726,400
Non Diluted Market Cap 372,933,667
Open 21.42
Operating Cashflow -42,745,000
Operating Margins -49.31621
Payout Ratio 0.0
Phone 44 203 9170155
Post Market Change 0.11999893
Post Market Change Percent 0.598797
Post Market Price 20.16
Post Market Time 1,787,959,842
Previous Close 21.46
Price Hint 2
Price To Book 11.657941
Price To Sales Trailing12 Months 321.1274
Profit Margins 0.0
Quick Ratio 4.609
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -1.42
Regular Market Change Percent -6.61695
Regular Market Day High 21.695
Regular Market Day Low 19.9
Regular Market Day Range 19.9 - 21.695
Regular Market Open 21.42
Regular Market Previous Close 21.46
Regular Market Price 20.04
Regular Market Time 1,787,947,201
Regular Market Volume 201,308
Return On Assets -0.95514
Return On Equity -2.2021
Revenue Growth 8.299
Revenue Per Share 0.069
Sand P52 Week Change 0.20204377
Sector Technology
Sector Disp Technology
Sector Key technology
Shares Outstanding 17,402,411
Shares Percent Shares Out 0.15619999
Shares Short 2,718,347
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 3,278,186
Short Name Arqit Quantum Inc.
Short Percent Of Float 0.2139
Short Ratio 8.66
Source Interval 15
Symbol ARQQ
Total Cash 28,860,000
Total Cash Per Share 1.741
Total Debt 2,172,000
Total Revenue 1,086,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.84
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 19.710825
Two Hundred Day Average Change 0.32917595
Two Hundred Day Average Change Percent 0.016700262
Type Disp Equity
Volume 201,308
Website https://arqit.uk
Zip SW1H 0BF