Transfer Orbit
Investor Due Diligence Report
by Andrew Liptak
A newsletter about science fiction, reading, and the future
4K
~0%
Subscriber count is a platform estimate
Pricing
$4/mo
$40/yr annual option
$1K
~400 est. paid subs
$707/mo – $2K/mo(±50%)
0.5
0.01%
(comments + likes) / subscribers
~3x per week
2.8 posts/week
78/100
Consistent (~2.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Aether Pirates of the Matterium! | 99K | +0.5% | Free | substack |
| The Science of Better | 84K | N/A | $5/mo | substack |
| By the Numbers | 78K | N/A | Free | substack |
| Hidden Brain | 75K | +0.7% | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 3K | $1,060 | — |
| Mar 2026 | 2K | $706.67 | -33.3% |
| Apr 2026 | 2K | $706.67 | ~0% |
| May 2026 | 3K | $1,060 | +50.0% |
| Jun 2026 | 3K | $1,060 | ~0% |
| Jul 2026 | 2K | $706.67 |
Platform Dependency
Uses ghost platform
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Hit-driven — top post engagement 3x+ above average
Subscriber threshold
4K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
78% of 80 similar-size peers in Science have paid tiers
Pricing position
$4/mo vs $5/mo category median (166 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $4 | $40 |
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 | 66/100 | 30% |
| Publishing Consistency | 59/100 | 10% |
| The Intrinsic Perspective |
| 73K |
| +0.7% |
| $7/mo |
| substack |
| -33.3% |
| Aug 2026 | 1K | $353.33 | -50.0% |
| Sep 2026 | 1K | $353.33 | ~0% |
| Oct 2026 | 2K | $706.67 | +100.0% |
Revenue Model
Active paid subscription tier