Stefan Kalysta

Stefan Kalysta

Solo maker. Building TurtleTrade.

About

Software engineer for 15 years, active investor for 10. Building TurtleTrade solo: 163 published scoring rules, 13 background workers on Cloudflare, an iPhone app, and every formula and source on the page. If the data for a check is missing, the check is skipped and the instrument stays unrated — no estimating, no fake 0. Free, donation-funded, no ads, no crypto. From Germany, now Cyprus.