Author
@SebAaltonen
grade Cx.com/SebAaltonen ↗
Sebastian Aaltonen primarily posts deep technical content on graphics, GPUs, renderers, EV/software, and AI tools; that can be weak sector color for semis/EVs, but it is not primar
trader score
-0.04
hit rate
60%
mean α
-0.03%
signals 14d
4
Grade = how their written analysis reads (A best). Trader score = how their last-20 timestamped calls performed vs SPY.
Their picks, scored
Across their last 20 scored bets: 60% hit rate, -0.03% mean alpha, trader score -0.04. Their last-14d mentions, direction-adjusted, have moved -1.0% since posting (mean over 1 mentions with price data).
Recent signals4receipts included
| date (PT) | ticker | author | sent | what they said | since then | receipt |
|---|---|---|---|---|---|---|
| 2026-08-20 | TSLA | @SebAaltonen | -0.35 | Criticizes Roadster delays and its rocket-focused direction versus the original efficient-sports-car vision. | +1.0% | tweet ↗ |
| 2026-08-17 | · | @SebAaltonen | · | Forecasts slow fleet turnover but a long-run business shift from fuel retail toward EV services. | · | tweet ↗ |
| 2026-08-15 | · | @SebAaltonen | · | Author reports roughly 90% less Vulkan example code using a new API that will be open-sourced. | · | tweet ↗ |
| 2026-08-15 | · | @SebAaltonen | · | Author says AI accelerates expert work but produces poor low-level graphics APIs without senior oversight. | · | tweet ↗ |
Grade is our human read-worthiness rating; trader score is a rolling 20-bet hit-rate/alpha composite — different things, often disagreeing. “Since then” is direction-unaware in the table; the summary line above adjusts for which way they leaned.