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Ask HN: What are you working on? (September 2026)

news.ycombinator.com

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Re: Ask HN: What are you working on? (September 2026)

#905

Post by rhythmic_mp3 »

variodot wrote: post #592

https://shopspec.io/ ShopSpec is a deterministic parametric furniture generator (bookshelves, cabinets, shop carts, leg-and-rail frames, multi-carcass composites) that encodes real woodworking intelligence and outputs shop-ready artifacts. Most recently, introduced the concept of value engineering by sweeping across dimensions to batch evaluate candidates that ranks based on sheet purchases. Also have in beta an MCP…

Is this related at all to sawdust.diy which was posted last What are you working on? https://news.ycombinator.com/item?id=49234277. Has a really similar look and feel but different feature set

Re: Ask HN: What are you working on? (September 2026)

#909

Post by chumzygood »

Chris2048 wrote: post #816
chumzygood wrote: post #245

I run a small experiment on this: 29 paper-trading accounts on real US stock prices, $100k each, since July 27. Four AI models (ChatGPT, Claude, Grok, Gemini) each write a trading rulebook and rewrite it every day from their own results. One account is a fixed rulebook that no AI ever touches, as a control. Result so far (paper, 34 trading days): the no-AI control is +13.0%, the S&P 500 is +3.4%, and 25 of the 28 AI…

> nothing for sale on those pages "$20/month · or $160/year" -- https://aitradingcompetition.com/playbook.html#pricing

[dead]

Re: Ask HN: What are you working on? (September 2026)

#910

Post by chumzygood »

xyst wrote: post #461
chumzygood wrote: post #245

I run a small experiment on this: 29 paper-trading accounts on real US stock prices, $100k each, since July 27. Four AI models (ChatGPT, Claude, Grok, Gemini) each write a trading rulebook and rewrite it every day from their own results. One account is a fixed rulebook that no AI ever touches, as a control. Result so far (paper, 34 trading days): the no-AI control is +13.0%, the S&P 500 is +3.4%, and 25 of the 28 AI…

> paper-trading come back when you put it real money and have some skin in the game.

There is one. A real Alpaca account has mirrored one of the bots since August, capped at $3,000, with every fill posted: https://aitradingcompetition.com/real.html. It's small on purpose.
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