## Markets

Accredited investors: Rules and requirements  
Understand the accredited investor rule, including the requirements for qualification, why the requirement exists, and how the accredited investor rules may change.  
[Read more](/content/learn/private-funds/regulations/accredited-investors/index.html)

Special purpose acquisition company (SPAC)  
Learn what a SPAC is, how the deal process works, and how a special purpose acquisition company merger differs from a traditional IPO.  
[Read more](/content/learn/startups/exit-strategies/ipo/spac/index.html)

Market size: TAM, SAM, & SOM  
Calculating market size before you pitch investors is crucial. Learn how to determine the market size for your company, including TAM, SAM, and SOM.  
[Read more](/content/learn/startups/metrics/market-size/index.html)

Seed valuations varied significantly by sector in 2022  
Carta data shows median valuations for seed-stage startups were steady in 2022. For SaaS, hardware, healthcare, and fintech, valuations varied.  
[Read more](/content/data/seed-valuations-2022/index.html)

The Carta liquidity report: Q3 2022  
Q3 saw a decline in secondary liquidity across sectors. Our Q3 liquidity report includes analysis of trends in seller participation, transaction volume by stage and sector, and more.  
[Read more](/content/data/liquidity-report-q3-2022/index.html)

The Carta liquidity report: Q2 2022  
How are these factors impacting private market liquidity? As venture capital has slowed after several months of unprecedented activity and rises in  
[Read more](/content/data/carta-liquidity-report-q2-2022/index.html)