Naive finance question: why do stocks have a an exchange they are listed on if they can trade on multiple exchanges and dark pools?

Productising RWAfi @plumenetwork. Building https://transferagentprotocol.xyz on it. Hosting /rwa and /plume and /nest

I feel like @thatalexpalmer.eth would know this

The only problem is externality pricing.

Building https://negationgame.com

Thanks @nor 

@dwr.eth dark pools fall under categories of brokerages (one who makes trades on your behalf) and ATS (alternative trading system).

Once a stock is allowed to trade on a national securities exchange, it's allowed to trade everywhere that abides by the same regulation.