Predictive History Substack
Investor Due Diligence Report
substackCulture
I analyze history to connect the past, explain the present, and predict the future.
111K
9.4K paid
+1.4%
Insufficient data
27 of 30 days needed
Pricing
$5/mo
$50/yr annual option
$38K
9.4K paid subs
$38K/mo – $38K/mo(±0%)
106.8
461.9
0.51%
(comments + likes) / subscribers
Weekly
1.2 posts/week
83/100
Very Consistent (~6.1d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Parnas Perspective | 816K | +1.1% | $6.49/mo | substack |
| The Booker Prizes | 255K | N/A | Free | substack |
| Dracula Daily | 241K | -0.3% | $8/mo | substack |
| The Creative Act: Thoughtforms & Innerworks | 233K | +0.7% | $7/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 93.5K | $35,309.93 | — |
| Apr 2026 | 102K | $34,463.25 | -2.4% |
| May 2026 | 107K | $36,152.63 | +4.9% |
| Jun 2026 | 111K | $37,504.13 | +3.7% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
111K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 57 similar-size peers in Culture have paid tiers
Pricing position
$5/mo vs $5/mo category median (3615 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $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.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 100/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Growth Consistency | 82/100 | 15% |
| Publishing Consistency | 79/100 | 10% |
| Culture Study |
| 200K |
| N/A |
| Free |
| substack |
Revenue Model
Active paid subscription tier