Newsletter Insights — independent newsletter & sponsorship data across 42K+ newsletters
Browse all →by Gregory Ashe
Exclusive content for patrons and members.
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 includedAdvanced Ashochism's metrics, benchmarks, and sponsor data in one document
35K
Top 10% in Marketing
ghost
Marketing
~9/post
avg comments + likes (0.02% rate)
Above category average
~3x per week
3.2 posts/week avg
vs 0.8/week category avg
$10/mo
Category avg: $5.75/mo
112
newsletters in Marketing
Top 10% in Marketing
out of 112 newslettersEstimated from public engagement data — counts may fluctuate between updates
Publishing Frequency
~3x per week
Last published Oct 11, 2026
Usually publishes Sun, Wed, Mon
3.2 posts/week avg