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Platform Portability
Uses Substack subdomain (marcstein.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Insider coverage of the NBA since 1994.
Data updated 1 month ago
Avg Comments
4.1
Avg Likes
23.2
Engagement Rate
0.06%· ~27 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Sports
0.06% engagement rate
Score Breakdown
Engagement Score
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
vs 183 newsletters in Sports
47K places you in the top 10% of newsletters in this category.
Posts per Week
3.8
median: 1.1
Publishing Consistency
72/100
median: 66/100
Subscribers
47K
median: 1K
3.3K paid
Track revenue changes over time
Start tracking — freeTrack CPM rates as they change
Start tracking — freeWe don't have enough growth data for The Stein Line yet. The average Sports newsletter has 1K subscribers.
Based on 455 Sports newsletters tracked
The Long Game
14K subs
Culture of Sport
180K subs
The Dumb Zone
10K subs
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Including Homefield, Weiss & Rosenbloom, Sign Up + 34 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
~4x per week
Last published Apr 5, 2026
Usually publishes Wed
3.8 posts/week avg
Sports Pricing
$5/mo median
Above average(+100%)
Monetization Readiness
Already monetizing
100% of similar-size Sports newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free47.0K subscribers, 0.06% engagement, and 2 detected sponsors — a strong profile for advertisers.