Investor Due Diligence Report
Actionable value investment write-ups and insights.
5K
N/A
Previously Monthly
0.2 posts/week
48/100
Variable (~37.3d avg)
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 61/100 | 30% |
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Stephen Leeb, PhD > Turbulent Times Investor | 311K | +7.2% | Free | substack |
| @andrewchen | 255K | +0.2% | $10/mo | substack |
| Linas's Newsletter | 121K | +0.4% | $34/mo | substack |
| Topdown Charts | 53K | N/A | $350/mo | substack |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Pre-monetization — no paid subscription tier
Subscriber threshold
5K subscribers — above the 3K category median for first paid tier
Has paid tier
No paid subscription tier yet
Peer monetization
100% of 401 similar-size peers in Finance have paid tiers
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.
| Lupton Capital - formerly Jonah’s Growth Stocks |
| 43K |
| N/A |
| Free |
| substack |