Prometheus Research
Investor Due Diligence Report
substackEconomics
Systematic Macro Research.
20K
600 paid
~0%
Subscriber count is a platform estimate
Pricing
$100/mo
$960/yr annual option
$27K
600 paid subs
$27K/mo – $27K/mo(±0%)
4.0
15.0
0.10%
(comments + likes) / subscribers
Weekly
1.0 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Kyla’s Newsletter | 156K | +0.7% | $10/mo | substack |
| Geld für die Welt | 41K | N/A | $5/mo | substack |
| Alex Krainer's Substack | 34K | N/A | $5/mo | substack |
| Rational Optimist Society | 26K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 20K | $31,050 | — |
Revenue tracking starts with your first month of data. More data points will appear as snapshots accumulate.
Platform Dependency
Uses substack platform
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
20K subscribers — above the 5K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 25 similar-size peers in Economics have paid tiers
Pricing position
$100/mo vs $8/mo category median (191 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $100 | $960 |
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.
| Engagement Rate |
| 14/100 |
| 30% |
| Paid Subscriber Ratio | 30/100 | 25% |
| John Rubino's Substack |
| 23K |
| N/A |
| $5/mo |
| substack |