C
Evidence Grade C
Graded
not independently verified
Use with Hedging
Current
62%
62% -- email open rate for second email (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
62%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Sources (2)
SumaCRM
Primary
Tier A
https://ecommerce-news.es/10-los-emails-frios-acaban-venta/ ↗
Source Article
El 10% de los emails fríos, acaban en venta - Ecommerce News
La startup madrileña SumaCRM ha hecho una prueba real sobre el uso del correo electrónico para la venta, publicando los resultados en su blog. Según los datos obtenidos, el 10% de los resultados son positivos, y se necesitan entre 2 y 5 días y 3 electrónicos para finalizar o no una venta.
En cuanto …
Also cited by
2026-09-13
Original Research
SumaCRM
· Original study ↗
Methodology
Real test conducted by SumaCRM on email usage for sales.
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
second email: 62% email open rate. Source: SumaCRM (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/second-email-open-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/second-email-open-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>62%</strong> -- email open rate for second email<br><small>Source: SumaCRM (2026) · <a href="https://lighthousedata.io/data/second-email-open-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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