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The Genus Amanita

https://www.mushroomexpert.com/amanita.html
1•rolph•3m ago•0 comments

We have broken SHA-1 in practice

https://shattered.io/
1•mooreds•3m ago•1 comments

Ask HN: Was my first management job bad, or is this what management is like?

1•Buttons840•4m ago•0 comments

Ask HN: How to Reduce Time Spent Crimping?

1•pinkmuffinere•6m ago•0 comments

KV Cache Transform Coding for Compact Storage in LLM Inference

https://arxiv.org/abs/2511.01815
1•walterbell•10m ago•0 comments

A quantitative, multimodal wearable bioelectronic device for stress assessment

https://www.nature.com/articles/s41467-025-67747-9
1•PaulHoule•12m ago•0 comments

Why Big Tech Is Throwing Cash into India in Quest for AI Supremacy

https://www.wsj.com/world/india/why-big-tech-is-throwing-cash-into-india-in-quest-for-ai-supremac...
1•saikatsg•12m ago•0 comments

How to shoot yourself in the foot – 2026 edition

https://github.com/aweussom/HowToShootYourselfInTheFoot
1•aweussom•13m ago•0 comments

Eight More Months of Agents

https://crawshaw.io/blog/eight-more-months-of-agents
3•archb•15m ago•0 comments

From Human Thought to Machine Coordination

https://www.psychologytoday.com/us/blog/the-digital-self/202602/from-human-thought-to-machine-coo...
1•walterbell•15m ago•0 comments

The new X API pricing must be a joke

https://developer.x.com/
1•danver0•16m ago•0 comments

Show HN: RMA Dashboard fast SAST results for monorepos (SARIF and triage)

https://rma-dashboard.bukhari-kibuka7.workers.dev/
1•bumahkib7•16m ago•0 comments

Show HN: Source code graphRAG for Java/Kotlin development based on jQAssistant

https://github.com/2015xli/jqassistant-graph-rag
1•artigent•21m ago•0 comments

Python Only Has One Real Competitor

https://mccue.dev/pages/2-6-26-python-competitor
3•dragandj•23m ago•0 comments

Tmux to Zellij (and Back)

https://www.mauriciopoppe.com/notes/tmux-to-zellij/
1•maurizzzio•23m ago•1 comments

Ask HN: How are you using specialized agents to accelerate your work?

1•otterley•25m ago•0 comments

Passing user_id through 6 services? OTel Baggage fixes this

https://signoz.io/blog/otel-baggage/
1•pranay01•26m ago•0 comments

DavMail Pop/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway

https://davmail.sourceforge.net/
1•todsacerdoti•26m ago•0 comments

Visual data modelling in the browser (open source)

https://github.com/sqlmodel/sqlmodel
1•Sean766•28m ago•0 comments

Show HN: Tharos – CLI to find and autofix security bugs using local LLMs

https://github.com/chinonsochikelue/tharos
1•fluantix•29m ago•0 comments

Oddly Simple GUI Programs

https://simonsafar.com/2024/win32_lights/
1•MaximilianEmel•29m ago•0 comments

The New Playbook for Leaders [pdf]

https://www.ibli.com/IBLI%20OnePagers%20The%20Plays%20Summarized.pdf
1•mooreds•30m ago•1 comments

Interactive Unboxing of J Dilla's Donuts

https://donuts20.vercel.app
1•sngahane•31m ago•0 comments

OneCourt helps blind and low-vision fans to track Super Bowl live

https://www.dezeen.com/2026/02/06/onecourt-tactile-device-super-bowl-blind-low-vision-fans/
1•gaws•33m ago•0 comments

Rudolf Vrba

https://en.wikipedia.org/wiki/Rudolf_Vrba
1•mooreds•33m ago•0 comments

Autism Incidence in Girls and Boys May Be Nearly Equal, Study Suggests

https://www.medpagetoday.com/neurology/autism/119747
1•paulpauper•34m ago•0 comments

Wellness Hotels Discovery Application

https://aurio.place/
1•cherrylinedev•35m ago•1 comments

NASA delays moon rocket launch by a month after fuel leaks during test

https://www.theguardian.com/science/2026/feb/03/nasa-delays-moon-rocket-launch-month-fuel-leaks-a...
1•mooreds•35m ago•0 comments

Sebastian Galiani on the Marginal Revolution

https://marginalrevolution.com/marginalrevolution/2026/02/sebastian-galiani-on-the-marginal-revol...
2•paulpauper•39m ago•0 comments

Ask HN: Are we at the point where software can improve itself?

1•ManuelKiessling•39m ago•2 comments
Open in hackernews

I wrote a Rust engine to backtest crypto candlestick patterns

https://piotrwilczek.com/crypto-patterns/
5•piotrwilczek•7mo ago

Comments

piotrwilczek•7mo ago
Hey HN,

As an algorithmic trader, I spend most of my time looking for quantifiable edges in the market. This time (a bit for fun) I wanted to check classic candlestick patterns that manual traders use—things like the "Morning star" or "Three White Soldiers." Is there any real, statistical "alpha" to be found in them?

To find out, I built a tool to rigorously backtest these patterns at scale. This project is a high-performance analysis engine that searches for these patterns across years of 1-hour Binance Futures data and measures their historical profitability.

What made this project especially interesting for me is that it was my first real project in Rust. I was able to build it much faster than I ever expected, largely because I used Cursor. Having an AI assistant that could explain Rust's concepts directly in my IDE was a complete game-changer. It felt like pair programming and dramatically shortened the learning curve.

The link goes to a static HTML report generated by the tool, summarizing the performance of various patterns.

A few technical details:

* Tech Stack: It's built in Rust using Tokio for parallelism when analyzing symbols, and serde/csv for data handling. The frontend is plain HTML/JS with static Tailwind CSS and ECharts.js for the interactive charts.

* The "How": The core challenge is comparing patterns that occur at wildly different price levels and volatility. To solve this, the matching logic uses Z-Score Normalization on rolling windows of data. This allows for a true "shape-based" comparison. It then uses a KNN-style search with a binary heap to efficiently find the top N closest matches without having to store them all in memory.

* The Data: ~8 MLN 1-hour candles from all Binance Futures symbols (~490) including delisted ones to avoid survivorship bias.

Of course, this is not financial advice, and past performance is not an indicator of future results. The goal was to explore a specific dataset for historical statistical edges.

I'd love to hear your thoughts, critiques, or any questions you might have. Happy to discuss the technical implementation or the results.