Newsletter Insights — independent newsletter & sponsorship data across 42K+ newsletters
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by Packy McCormick
Tech strategy, analysis, and philosophy, but not boring.
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 includedNot Boring by Packy McCormick's metrics, benchmarks, and sponsor data in one document
ramp.com
dna.com
classb.com
+50 more past sponsors — enter your email below to see all
280K
Top 10% in Business
substack
Business
+0.2%
~133/post
avg comments + likes (0.05% rate)
Above category average
Weekly
1.6 posts/week avg
vs 1.0/week category avg
$20/mo
Category avg: $5/mo
790
newsletters in Business
Top 10% in Business
out of 790 newslettersPublishing Frequency
Weekly
Last published Oct 13, 2026
Usually publishes Fri
1.6 posts/week avg