Investor Due Diligence Report
A blog about the financial history of the Oil & Gas 🛢 industry told through charts 📈 that go back 💯+ years.
10K
300 paid
~0%
Subscriber count is a platform estimate
Insufficient data
11 of 30 days needed
Pricing
$50/mo
$500/yr annual option
$12K
300 paid subs
$12K/mo – $12K/mo(±0%)
0.3
14.8
0.15%
(comments + likes) / subscribers
Weekly
1.1 posts/week
57/100
Variable (~6.3d avg)
| 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 |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 10K | $13,713.75 | — |
| Mar 2026 | 10K | $13,713.75 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
10K subscribers — above the 3K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 238 similar-size peers in Finance have paid tiers
Pricing position
$50/mo vs $1,983.5/mo category average (1207 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $50 | $500 |
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 | 48/100 | 30% |
| Paid Subscriber Ratio | 30/100 | 25% |
| Publishing Consistency | 78/100 | 10% |
| Lupton Capital - formerly Jonah’s Growth Stocks |
| 43K |
| N/A |
| Free |
| substack |
Revenue Model
Active paid subscription tier