Ticker reaction data

SPIRENT COMMUNS PLC S/ADR (SPMYY)

News Quantified tracks SPMYY headlines — 2,000+ labeled events over the last three years — but too few produced usable price reactions to publish stable medians. The events themselves are below.

The quantified answer

Not enough usable reactions to publish SPMYY medians.

2,000+ SPMYY events are labeled, but too few carry a measurable price reaction for a median to mean anything. When enough reactions accumulate, the medians publish here the same way as every other name.

Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.

Next time, know first

Email me when SPMYY moves on news.

One email per qualifying move — the headline, the measured reaction, and how it compares to SPMYY's baseline. Nothing else.

▲ SPMYY Free · unsubscribe anytime
26M+ news records Operating since 2012 Methodology on SSRN ↗
Latest news

Recent SPMYY events, each with its measured reaction.

DateHeadlineEventSource5-minTo close
Spirent Brings Industry-First Benchmarking to Cloud-Native Infrastructure TestingPress releaseBusiness Wire——
Spirent and Telescent Announce Global Strategic Partnership to Deliver Enhanced Test Lab AutomationPress releaseBusiness Wire——
Spirent and Juniper Networks Collaborate to Showcase First Public UET TestPress releaseBusiness Wire——
Spirent Launches Scalable Over-the-Air Solution to Enable True End-to-End Network Testing with Real HandsetsPress releaseBusiness Wire——

Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the SPMYY section they belong to.

Keep exploring

Where else SPMYY is measured.

SPMYY earnings → · Analyst actions → · SEC filings →

Every ticker we measure the same way24

Apple (AAPL)

How AAPL actually reacts to news, measured.

NVIDIA (NVDA)

How NVDA actually reacts to news, measured.

Tesla (TSLA)

How TSLA actually reacts to news, measured.

Microsoft (MSFT)

How MSFT actually reacts to news, measured.

Advanced Micro Devices (AMD)

How AMD actually reacts to news, measured.

Amazon (AMZN)

How AMZN actually reacts to news, measured.

Alphabet (GOOG)

How GOOG actually reacts to news, measured.

Meta Platforms (META)

How META actually reacts to news, measured.

Broadcom (AVGO)

How AVGO actually reacts to news, measured.

JPMorgan Chase (JPM)

How JPM actually reacts to news, measured.

Visa (V)

How V actually reacts to news, measured.

Walmart (WMT)

How WMT actually reacts to news, measured.

Eli Lilly (LLY)

How LLY actually reacts to news, measured.

UnitedHealth Group (UNH)

How UNH actually reacts to news, measured.

Netflix (NFLX)

How NFLX actually reacts to news, measured.

Johnson & Johnson (JNJ)

How JNJ actually reacts to news, measured.

Exxon Mobil (XOM)

How XOM actually reacts to news, measured.

Home Depot (HD)

How HD actually reacts to news, measured.

Costco (COST)

How COST actually reacts to news, measured.

Mastercard (MA)

How MA actually reacts to news, measured.

Oracle (ORCL)

How ORCL actually reacts to news, measured.

Salesforce (CRM)

How CRM actually reacts to news, measured.

Bank of America (BAC)

How BAC actually reacts to news, measured.

Coca-Cola (KO)

How KO actually reacts to news, measured.

Walt Disney (DIS)

How DIS actually reacts to news, measured.

Browse all tickers

Every name we’ve measured, in one place.

Stop guessing what the event means

You just saw one reaction.
There are 26 million more.

For investors

Know the next move, measured.

Ticker alerts with the realized reaction — not the headline spin.

Free · no credit card · unsubscribe anytime
For builders

The dataset, one command away.

claude mcp add news-quantified

Then ask Claude: “how does SPMYY react to downgrades?” — or pull it raw via REST.

60-second signup on the NQ portal · 100 free credits/mo
26M+ news records, 2006–2026 Operating since 2012 Point-in-time, zero look-ahead Peer-reviewable methodology (SSRN) ↗