It may be close for the first year or so due to the signing bonus, but 3-4 years in if you're performing at the expected level at a trading firm you should be making double the 200-250k number, and I doubt the tech firms match that kind of compensation (at least for most people).

Another factor you may wanna consider is the opportunity cost -- how hard would it be for you to work at GOOG/FB if the trading firm job doesn't work out? And vice versa?

Face the market you work market hours. Tech doesn't have that limit. Both are cyclic, but FB is probably here to stay. Finance can be very dynamic: think LTCM.

At least two of the financial firms on OP's list are known for working you more than market hours, the average is well into the 60+ hours per week.

Which ones?

A friend works at Virtu and 60 hour weeks are the norm if not more. They're very aggressive wrt managing headcount. Pay is great in absolute terms but pretty low as a % of revenue.

Doesn't mean it's a bad place to work. I have a ton of respect for the business they've built. Their discipline on costs is saving their asses in historically slow market conditions while many competitors are merging or shutting down.