Vaquero
Code-free backtesting with real market friction.
What it does
Vaquero is a backtesting engine and research desk for algorithmic traders and quants: describe a strategy in plain words and put it through history across crypto and US equities. Join the waitlist before the beta opens.
Describe a strategy you already have in plain words. Vaquero
Does the same job
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- QBQuantblocks - Backtest your trading strategies2012 · quantblocks.com · ▲99
We think backtesting is too difficult, this is our attempt to make it much easier and more fun - let us know what you think!

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Life & fun · 10d ago · louisabraham.github.io


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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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