This company listing is no longer active
Spirent Communications (SPT) Stock Overview
As of October 15, 2025, operates as a subsidiary of Keysight Technologies, Inc.. More details
| Snowflake Score | |
|---|---|
| Valuation | 2/6 |
| Future Growth | 4/6 |
| Past Performance | 0/6 |
| Financial Health | 6/6 |
| Dividends | 0/6 |
SPT Community Fair Values
Create NarrativeSee what others think this stock is worth. Follow their fair value or set your own to get alerts.
Spirent Communications plc Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | UK£1.99 |
| 52 Week High | UK£2.00 |
| 52 Week Low | UK£1.65 |
| Beta | 0.49 |
| 1 Month Change | 1.53% |
| 3 Month Change | 1.74% |
| 1 Year Change | 13.80% |
| 3 Year Change | -20.73% |
| 5 Year Change | -32.27% |
| Change since IPO | 1,910.33% |
Recent News & Updates
Recent updates
There May Be Reason For Hope In Spirent Communications' (LON:SPT) Disappointing Earnings
Mar 14
Why Investors Shouldn't Be Surprised By Spirent Communications plc's (LON:SPT) 51% Share Price Surge
Mar 06Spirent Communications plc's (LON:SPT) Shareholders Might Be Looking For Exit
Jan 17Investors Shouldn't Overlook Spirent Communications' (LON:SPT) Impressive Returns On Capital
Dec 15News Flash: 5 Analysts Think Spirent Communications plc (LON:SPT) Earnings Are Under Threat
Oct 17Are Investors Undervaluing Spirent Communications plc (LON:SPT) By 34%?
Sep 07Why The 23% Return On Capital At Spirent Communications (LON:SPT) Should Have Your Attention
Apr 26Spirent Communications' (LON:SPT) Shareholders Will Receive A Bigger Dividend Than Last Year
Mar 10Estimating The Fair Value Of Spirent Communications plc (LON:SPT)
Mar 08Here's Why Spirent Communications (LON:SPT) Has Caught The Eye Of Investors
Jan 16Calculating The Intrinsic Value Of Spirent Communications plc (LON:SPT)
Dec 03Investors Should Be Encouraged By Spirent Communications' (LON:SPT) Returns On Capital
Oct 26Do Spirent Communications' (LON:SPT) Earnings Warrant Your Attention?
Oct 07Is There An Opportunity With Spirent Communications plc's (LON:SPT) 24% Undervaluation?
Aug 27Spirent Communications' (LON:SPT) Shareholders Will Receive A Bigger Dividend Than Last Year
Aug 07Calculating The Fair Value Of Spirent Communications plc (LON:SPT)
May 24Spirent Communications (LON:SPT) Is Investing Its Capital With Increasing Efficiency
May 02Shareholder Returns
| SPT | GB Communications | GB Market | |
|---|---|---|---|
| 7D | 0.2% | 0.3% | 1.7% |
| 1Y | 13.8% | 49.5% | 19.0% |
Return vs Industry: SPT underperformed the UK Communications industry which returned 23.2% over the past year.
Return vs Market: SPT exceeded the UK Market which returned 12.2% over the past year.
Price Volatility
| SPT volatility | |
|---|---|
| SPT Average Weekly Movement | 0.8% |
| Communications Industry Average Movement | 6.9% |
| Market Average Movement | 4.8% |
| 10% most volatile stocks in GB Market | 10.7% |
| 10% least volatile stocks in GB Market | 2.6% |
Stable Share Price: SPT has not had significant price volatility in the past 3 months compared to the UK market.
Volatility Over Time: SPT's weekly volatility (1%) has been stable over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1936 | 1,490 | Eric Updyke | corporate.spirent.com |
As of October 15, 2025, operates as a subsidiary of Keysight Technologies, Inc..
Spirent Communications plc Fundamentals Summary
| SPT fundamental statistics | |
|---|---|
| Market cap | UK£1.17b |
| Earnings (TTM) | UK£5.36m |
| Revenue (TTM) | UK£350.60m |
Is SPT overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| SPT income statement (TTM) | |
|---|---|
| Revenue | US$471.00m |
| Cost of Revenue | US$129.30m |
| Gross Profit | US$341.70m |
| Other Expenses | US$334.50m |
| Earnings | US$7.20m |
Last Reported Earnings
Jun 30, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | 0.012 |
| Gross Margin | 72.55% |
| Net Profit Margin | 1.53% |
| Debt/Equity Ratio | 0% |
How did SPT perform over the long term?
See historical performance and comparisonDividends
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2025/10/17 15:00 |
| End of Day Share Price | 2025/10/15 00:00 |
| Earnings | 2025/06/30 |
| Annual Earnings | 2024/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
|
|
| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
|
* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Spirent Communications plc is covered by 17 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Alban Cousin | Arete Research Services LLP |
| Gerardus Vos | Barclays |
| Stuart Jeffrey | Barclays |