// startup autopsy
Toss Securities (near-collapse)
Korea's super-app darling built a brokerage too fast and nearly took down the whole empire.
unit economicsMass Layoff Spiral
Cascading layoffs that accelerated the decline
| Founded | 2021 |
|---|---|
| Closed | 2022 |
| Country | South Korea |
| Sector | Fintech |
| Founder | Lee Seung-gun |
// the model, blind
Evaluating only Toss Securities (near-collapse)’s profile at its peak — without knowing the outcome — the model ranked Regulation as the #1 likely cause. Documented cause: Unit economics.
Key Events Timeline
FOUNDING
Toss Securities launched fractional US stock trading; acquired 3 million accounts in 100 days.
DOWN ROUND
Korean market correction slashed Toss parent valuation from $7.4B to under $3B; unit economics under scrutiny.
LAYOFF
Toss Securities reported KRW 71B Q3 operating losses; halted aggressive marketing campaigns nationwide.
SHUTDOWN
40% of Toss Securities staff restructured; unit effectively dismantled to prevent contagion to Viva Republica.