A Chinese college student turned his dorm into his own weather trading station.

Hardware costs less than two thousand US dollars.
Profits have already reached one hundred thousand dollars.
How did he do it?
Two studio monitors, one Mac Mini, with the entire screen filled with satellite images and weather data.
Each machine has labels: UI/UX, DEV, ADMIN.
At first glance, it looks like a small startup.
His roommate thought he was working on some school project.
Actually, no.
These machines are only connected to one wallet behind the scenes:
👉
ColdMath's data is very clean:
• Profit: $101,042
• Number of trades: 5,252
• Registration date: November 2025
• One-line description: “edge compounds”
The logic is very simple: find weather contracts that are mispriced in the market.
He uses Claude to pull aviation weather data—that forecast used by pilots, updated every 1 to 3 hours, far more accurate than regular weather apps.
The system automatically compares this data with market prices on Polymarket.
If they don’t match, it places an order.
A few real examples:
• $25 → $12,452 (Tokyo 16°C)
• $24 → $12,398 (Chicago 54°F)
• $13 → $6,850 (Lucknow 39°C)
Why does it work? Because aviation weather data updates faster, more accurately, and is completely free.
More importantly, almost no one thought to use this data to bet on the weather.
His instruction to Claude is just one sentence: “Find every pricing mismatch.”
Claude can find dozens every day.
Eventually, his roommate couldn’t help but ask: what exactly are you doing?
He simply showed his balance to the other person.
The roommate was silent for a few seconds and said, “How about we add another monitor?”
Now, 34k people are watching this wallet.
And $96k continues to roll in from the positions.
Sometimes, the advantage isn’t about complex strategies.
It’s just: better data, faster updates, and most people simply never think to look at it.