//
Get monthly newsletter intelligence — trends, top movers, new opportunities
Newsletter Insights — advertising rates and audience data for 21K+ newsletters
Browse all →Platform Portability
Uses Substack subdomain (quadrilateral.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
A year-round newsletter from one of golf’s last independent voices devoted to all things Grand Slam and the best Cup events.
Data updated 3 days ago
A Fan's Notes, by Nick Hornby
16K subs
benn.substack
20K subs
Smarter Solopreneurs
9K subs
| Subscriber-only |
1.6K paid
Weekly Growth
~0%
Paid Subscriber Retention
Insufficient data
15 of 30 days needed
Paid newsletter — revenue data available
See full revenue breakdown
MRR methodology, pricing analysis, and revenue projections
Create free accountUsed by thousands of newsletter operators and advertisers
$17–$39
See detailed CPM analysis
Category benchmarks and audience-size adjusted rates
Create free accountUsed by thousands of newsletter operators and advertisers
Tracking started recently for The Quadrilateral (16 days ago). A growth trend will appear once we have more data points.
Sign up for a free account to unlock The Quadrilateral's percentile rankings in Sports
Sign up freeHere's what we know about this newsletter's activity:
Publishing Pace
~3x per week
Variable
Category Rank
#25 of 466
in Sports
Engagement Trend
Declining
based on recent posts
Avg Comments
25.3
Avg Likes
42.0
Engagement Rate
0.42%· ~67 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Sports
0.42% engagement rate
See The Quadrilateral's score breakdown & category ranking
Quality sub-scores, category percentile, and engagement benchmarks
See full analysis freeUsed by thousands of newsletter operators and advertisers
Publishing Frequency
~3x per week
Last published Mar 31, 2026
2.7 posts/week avg
Sports Pricing
$10.24/mo avg
Below average(-32%)
Monetization Readiness
Already monetizing
100% of similar-size Sports newsletters also have paid tiers
Sign up for a free account to unlock monetization & ad rate insights
Sign up freePriced at $7/mo, 32% below the Sports average of $10/mo.