Newsletter Insights — independent newsletter & sponsorship data across 41K+ newsletters
Browse all →
by James Goodwin
Investment research newsletter providing detailed analysis of undervalued companies.
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedFirm Returns's metrics, benchmarks, and sponsor data in one document
Subscriber data is estimated from engagement patterns. Verified stats make your media kit more credible to sponsors.
Verify Your Stats →1K
Above Median in Research
ghost
Research
Bi-weekly
0.5 posts/week avg
$15/mo
Category avg: $5.5/mo
14
newsletters in Research
Above Median in Research
out of 14 newslettersEstimated from public engagement data — counts may fluctuate between updates
Publishing Frequency
Bi-weekly
Last published Oct 14, 2026
0.5 posts/week avg