Eh, you're a bit off. You can find compiled quotes in lots of places, and individual quotes from any broker or dealer, so there are other systems that do this (

Eh, you're a bit off. You can find compiled quotes in lots of places, and individual quotes from any broker or dealer, so there are other systems that do this (maybe none that have exactly ALLQs same dealers giving quotes). But you're right saying that many times these prices are indicative quotes from dealers.