The IEX Depth of Book is a free service provided to clients. Clients will be unable to unsubscribe from the service directly.
The service will be removed if the account removes the US Equity and Options Add-On Streaming Bundle, or if the account removes either NYSE (Network A/CTA), NYSE American, BATS, ARCA, IEX, and Regional Exchanges (Network B) or NASDAQ (Network C/UTP) subscriptions.