// STARTUP COMPARISON

QuintoAndar (2022 crisis) vs Opendoor (2022 crisis)

QuintoAndar (2022 crisis) failed in 2022 due to Unit Economics. Opendoor (2022 crisis) failed in 2022 due to Bad Timing. Different causes, different sectors, different eras — but the same simulation outcome.

METRIC	🔥 QuintoAndar (2022 crisis)	🔥 Opendoor (2022 crisis)
Sector	Proptech	Proptech
Country	Brazil	USA
Founded	2013	2014
Died	2022	2022
Raised	$780M	$1.9B
Peak	$5.1B valuation	$18B valuation
Primary Cause	Unit Economics	Bad Timing

// WHY EACH FAILED

🔥 QuintoAndar (2022 crisis)

Unit Economics

QuintoAndar, Brazil's leading rental marketplace, raised $780M and reached a $5.1B valuation. In 2022 Brazil's SELIC rate rose to 13.75%, increasing mortgage costs and reducing rental market fluidity. QuintoAndar laid off 300 employees, reduced marketing spend, and took a 60%+ internal valuation write-down. The company survived but at greatly reduced ambition.

// LESSON
Real estate marketplaces are macro-correlated even when they don't hold inventory. Rate rises slow transaction velocity, reduce listings, and compress take rates simultaneously. The valuation that justified your headcount was built on a specific rate environment.

🔥 Opendoor (2022 crisis)

Bad Timing

Opendoor pioneered iBuying — purchasing homes directly, making improvements, and reselling. The model requires buying low and selling higher in a rising market. When the Fed began aggressive rate rises in 2022, mortgage rates doubled from 3% to 6%+, home prices fell, and Opendoor was stuck with inventory purchased at peak prices. Q3 2022 saw a $928M net loss. The stock fell 90%+ from peak.

// LESSON
iBuying is a leveraged real estate bet. When rates double, the bet loses on both sides: the homes you own are worth less AND the pool of buyers who can afford to buy them shrinks. The model cannot survive a rate doubling with a 90-day inventory holding.

// IN THE SIMULATION

QuintoAndar triggers RENTAL_MARKET_RATE_SENSITIVITY — the simulation models rental marketplaces as indirectly rate-sensitive: rising mortgage rates reduce rental supply (owners hold rather than rent) and reduce transaction velocity as the overall property market slows.

Opendoor triggers IBUYING_INVENTORY_RATE_TRAP — the simulation models iBuying as having zero resilience to rapid rate rises when inventory is held at peak-price acquisition costs. A 300bps rate rise in 12 months is an existential event for a company holding $10B in homes.

// EXPLORE FURTHER

Full QuintoAndar (2022 crisis) autopsy →Full Opendoor (2022 crisis) autopsy →More Unit Economics failures →All Proptech autopsies →