Director of API trading @Public Helping traders build better execution infrastructures on our API. Not financial advice.

HQ in New York
Joined October 2025
Matthew@Public retweeted
Find us in the connector library
Connecting Public to @ChatGPT just got easier. Public is now an official ChatGPT plugin. Install directly in ChatGPT and connect your account in just a few clicks.
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Official @ChatGPT @public connector is live! Use terra and sol- very powerful models with our API. Big shoutout to @TarricSookdeo for making this happen for our traders 🦾
Connecting Public to @ChatGPT just got easier. Public is now an official ChatGPT plugin. Install directly in ChatGPT and connect your account in just a few clicks.
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$SPX super rich this morning
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two solid trades though one MES and one SPX, waiting til theta burns into the afternoon. Building out a equities engine on the @public API that uses the same logic as my futures engine. 24/5 trading via API is a gamechanger here..I can run equities like I do w futures
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Matthew@Public retweeted
Reminder: You can turn any idea into an investable index with Generated Assets on Public.
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I trade a few engines(equities, bonds, and futures) off four proprietary mean levels: today’s, yesterday’s, this month’s and last month’s average price. When we opened 15-minute event contracts to the @public API, I wanted to know if the same engine could run there. Here’s what I learned: 🧵
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So it runs on paper first. Every bid, re-price, fill and settlement is logged and scored before real money touches it. The first live test will be one market, one contract per level, and a hard daily loss limit. Boring on purpose.
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Why share this: prediction markets inside a brokerage API are new, and builders will shape what they become. If you’re building on event contracts, show me what you are working on 🦾 Docs: public.com/api/docs
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Matthew@Public retweeted
Reminder: 24/5 trading is now available on Public. Buy and sell thousands of eligible stocks and ETFs from Sunday at 8 PM through Friday at 8 PM ET—all with no fees.
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absolutely brutal reversal for wti buyers going for the gap
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prediction markets are getting hot! best part is that you can integrate them with your Agents, MCP or API trading now on @public
New: Prediction markets and 15-minute markets are fully available via the Public API. It's easy to get started with SDK and MCP support, plus step-by-step developer guides. Learn more: public.com/api/docs/template…
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Going to be building some engines next week on prediction markets- starting to love these more and more 🦾
New: Prediction markets and 15-minute markets are fully available via the Public API. It's easy to get started with SDK and MCP support, plus step-by-step developer guides. Learn more: public.com/api/docs/template…
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Matthew@Public retweeted
Reminder: Private Company Pages are live on Public. Follow leading private companies before they go public. Track funding activity, company growth, and key milestones, all in one place.
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Matthew@Public retweeted
100,000 people connected Public to Autopilot 🚀
Just like that, there's now 100,000 @public accounts connected on Autopilot So here's to the next 100,000,000,000 to come Open an account below to get $30 towards any investor on the app public.com/autopilot Happy trading
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