s (@idoccor) / X

9,252 posts

@idoccor

I have made entire HFT systems from nothing

Brooklyn

Joined October 2012

s
@idoccor
Mar 18, 2025
One unusual thing in finance vs tech is once you get rejected once, many firms won't accept an application ever again. I failed a DE Shaw in-person interview 15 years ago and they've rejected my resume every time since then.
s
@idoccor
Apr 6, 2025
Don’t worry man, they’re futures, they haven’t happened yet
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@idoccor
Mar 18, 2025
Replying to @charliedavidman
Even if that assertion made sense it's still bullshit
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@idoccor
Mar 18, 2025
Might as well with some of these firms
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@idoccor
Mar 18, 2025
Replying to @FleischmanMena
"presence online", proprietary trading is proprietary.
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@idoccor
Jul 30, 2024
Replying to @JJ_McCullough and @LinkofSunshine
My nonna made the worst green beans I ever tasted and then someone majoring in classics sent me a list of ancient Roman recipes and the awful wine marinated bean recipe was there.
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@idoccor
May 18, 2024
Replying to @ctjlewis
One time I sent what I thought was a bug in the STL to Microsoft and their main STL dev Stephan Levavej responded. I tried reporting a bug in a Netflix app and there wasn't any way to do it.
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@idoccor
Mar 18, 2025
Replying to @jameskeyfur
You are not cut out for life
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@idoccor
Mar 18, 2025
Replying to @quantkaks
You can tell it's Virtu because they have no problem wasting everyone's time
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@idoccor
Apr 14, 2025
Pull up NYC roles, mobile engineer, backend/frontend engineer slop, solutions consultant. Yeah no, I'll stick with speed of light core wars.
Sam Altman
@sama
Apr 14, 2025
>be you >work in HFT shaving nanoseconds off latency or extracting bps from models >have existential dread >see this tweet, wonder if your skills could be better used making AGI >apply to attend this party, meet the openai team >build AGI
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@idoccor
Apr 28, 2023
Replying to @hausofdecline
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@idoccor
Oct 25, 2024
Ways tradfi HFT firms fail in crypto - wrong signals for periodic L2 books - not checking data integrity - rigid C++ code - hyperfocusing on single venue - gatekeeping/incompetent devops, scared of AWS - insufficient capture for high fees/rate limits - treated like a side project
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@idoccor
Nov 21, 2024
The base pay for traders at the fund I worked at in 2016 was $150k. Now many places are still offering $150k base at the low end. Haven't these guys looked at NYC rents recently? It's like $60k/year just to have a decent commute.
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@idoccor
Sep 27, 2025
Let me tell you how to build a high frequency trading system using all the best practices. If you don't like this then clearly your practices aren't the best. First split everything up into microservices that talk through IPC, that way profiling and debugging is really annoying