Thastock vs Koyfin
Koyfin: A Bloomberg-style market data and dashboard terminal for self-directed investors and advisors. Thastock is an AI stock research app that computes the real numbers first (RSI, moving averages, earnings beat rate, insider activity), then writes a bull case and a bear case for any ticker, with alerts to email, Telegram and Discord.
Feature by feature
| Feature | Thastock | Koyfin |
|---|---|---|
| Free plan | Yes | Yes |
| Price alerts | Yes | Yes |
| RSI / moving-average alerts | Yes | Yes |
| Alerts to Telegram & Discord | Yes | No |
| AI-written stock analysis | Yes | Partial |
| AI bull and bear case per stock | Yes | No |
| Stock screener | Yes | Paid plans |
| Portfolio tracking | Yes | Yes |
| Insider trading data | Yes | Unclear |
| Earnings calendar | Yes | Yes |
| API for individual users | Paid plans | No |
"Unclear" means we could not verify it from Koyfin's public pages. Spot something out of date? Tell us at admin@thastock.com.
Where Koyfin is strong
- Institutional-grade data and dashboards at a retail price
- A generous free tier for charting and macro data
- Strong tools for financial advisors
Choose Koyfin if you want terminal-style dashboards and deep historical data.
Where Thastock is different
- AI analysis that cites real numbers and always includes a bear case
- RSI and moving-average alerts sent to Telegram and Discord, not just email
- Paid plans from $9/mo, and a free plan that never expires
Choose Thastock if you want a quick, data-backed read on a stock and alerts where you already chat.
Questions
Is Thastock cheaper than Koyfin?
Thastock Pro is $9/mo. Koyfin's cheapest paid plan starts at $39/mo. Plus $39/mo, Premium $79/mo, advisor plans from $209/mo (annual billing saves up to 30%).
Does Koyfin have AI stock analysis?
Partly: it has some AI features, but not AI-written bull and bear cases for each stock.
Can I try Thastock for free?
Yes. The free plan never expires, and new accounts get a 7-day Pro trial with no card required.