Fresh insights on low latency and high frequency trading. Mostly new relevant technology, C++, FPGA, Verilog, tutorials, short notes and of course, rants. Problem subscribing? Try https://lucisqr.lemonsqueezy.com/buy/c78e2dd6-81c0-44cd-bfa3-13db7158a050
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 262 | Founded | 4 years ago | Last Issue | 6 days ago |
| Active | |||||
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lucisqr.substack.comLatest Issues
uint128 Tutorials Skip the Hard Part. Here Are the Numbers.
A Solidean article made the rounds recently showing how to build an “efficient” u128 in C++.
A Solidean article made the rounds recently showing how to build an “efficient” u128 in C++. Clean code, good assembly output, the whole package....
Source Code Generation: The Technique That Separates Amateurs from Professionals
Why the Best Trading Firms Never Write Protocol Code by Hand
There’s a pattern I’ve watched play out at every trading firm I’ve worked with. A new exchange format drops — CME updates MDP3 to version 13, or Euronext ships a new Optiq schema...
Three CPU Generations That Changed Everything: A Latency-Focused History of x86
The year was 2011.
The year was 2011. On Wall Street, high-frequency trading firms were measuring success in microseconds. The Flash Crash of May 2010 had just demonstrated that markets could lose a trillion dollars in…
The PREEMPT_RT Surprise: Why Isolation Alone Isn’t Enough for HFT
September 2024.
September 2024. After 20 years in development, PREEMPT_RT finally merged into Linux 6.12 mainline. The real-time community celebrated. Trade press covered it for weeks. Automotive engineers opened champagne.
Citadel Securities Presents: The C++26 Sales Pitch
Herb Sutter — long-time ISO C++ committee chair, principal author of Exceptional C++ — joined Citadel as a Technical Fellow on November 11, 2024. Eighteen months later, his employer is releasing branded, polished marketing content with the...
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Authors
The writers behind this newsletter.
I earned MSc, PhD in Structural Dynamics, with emphasis in supercomputing. Switched to high frequency trading at Citadel in early 2000s. I work mostly with trading applications. LightQR Suite: www.vitorian.com
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