tradier

Hello! Apologies for the delayed reply.

Tradier Brokerage is a new broker dealer, we have our own proprietary trading system and we are not a white labeled brokerage provider.

If you've got more detailed questions regarding commissions and pricing, feel free to email service@tradierbrokerage.com or call at 980.272.3880.

Hello! Tradier Brokerage operation does support fixed income securities, but we currently don't offer this through our website or APIs. I noted that you'd be interested in something like that. If you've got more detailed questions regarding trading, feel free to email service@tradierbrokerage.com.

Regarding options history: it is ticker based. Some data goes back as far as 2009 others as soon as January of this year. It also depends a bit on the interval granularity you're looking for.