The Stein Line
Investor Due Diligence Report
substackSports
Insider coverage of the NBA since 1994.
47K
3.3K paid
~0%
Subscriber count is a platform estimate
Pricing
$9.99/mo
$50/yr annual option
$18K
3.3K paid subs
$18K/mo – $18K/mo(±0%)
4.1
23.2
0.06%
(comments + likes) / subscribers
~4x per week
3.8 posts/week
72/100
Consistent (~2.2d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Culture of Sport | 180K | N/A | $13/mo | substack |
| Huddle Up | 135K | N/A | $15/mo | substack |
| The Long Game | 14K | N/A | $6/mo | substack |
| The Dumb Zone | 10K | N/A | $9.6/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 47K | $25,014.81 | — |
| Mar 2026 | 47K | $25,014.81 | ~0% |
| Apr 2026 | 47K | $25,014.81 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
47K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 14 similar-size peers in Sports have paid tiers
Pricing position
$9.99/mo vs $5/mo category median (506 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $10 | $50 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 50/100 | 30% |
| Paid Subscriber Ratio | 93/100 | 25% |
| Publishing Consistency | 26/100 | 10% |
| Hockey Tactics Newsletter |
| 9K |
| N/A |
| $25/mo |
| substack |