Newsletter Insights — independent newsletter & sponsorship data across 33K+ newsletters
Browse all →Enter your email and we'll connect you with this newsletter.
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 includedSpilled Coffee's metrics, benchmarks, and sponsor data in one document
8K
Top 25% in Finance
substack
Finance
0.11%· ~9/post
(comments + likes) / subscribers
vs 0.00% category avg
Weekly
1.0 posts/week avg
$20/mo
Category avg: $10.5/mo
1131
newsletters in Finance
Top 25% in Finance
out of 1131 newslettersPublishing Frequency
Weekly
Last published Apr 4, 2026
1.0 posts/week avg
