IBKR vs TDA vs TB?

IBKR Pros:

Established (40+ years)

Largest broker by daily revenue

Low comms (USD 1 per trade/ USD 0.35 per trade on tiered pricing)

Spot FX rates

Almost any market access that you need

IBKR Cons:

Inactivity charge

TD Pros:

Free Comms

Close to Spot FX Rate

TD Cons:

USD 25 withdrawal fee

Account Approval takes insanely long (3 months and counting...)

Tiger Pros:

Low Comms (USD 1.99 per trade min)

Runs on IBKR software

Many promotional benefits (e.g. angbao vouchers currently)

Cons:

Relatively new broker

USD 100 for position transfers if you wish to change brokers next time

Personally I use IBKR, but you can also check out my broker comparison here!