It depends what aspect of HFT you want to get into, but experience can generally trump accreditation. That is you won't get hired out of uni, but you can get hi

It depends what aspect of HFT you want to get into, but experience can generally trump accreditation. That is you won't get hired out of uni, but you can get hired somewhere working on similar tech where you get to prove your worth before transitioning into HFT. That said if you want to make 100k there's plenty of tech roles outside of HFT where you can make that amount.