📰 Dev.to · manja316

I've been collecting Polymarket prediction-market data on a single Mac for 89 days. As of this...

I archived 17.2M Polymarket price snapshots on one Mac. Here's what the resolved data says about whether the crowd is actually calibrated — and how to check it

Most prediction-market datasets you find online are a one-time dump someone scraped, posted, and...

I cleaned every IPL delivery from 2008 to 2026 into one tidy ball-by-ball table — 295,732 rows — and...

A question I kept circling when I started treating prediction markets as a trading venue: by the time...

If you trade, model, or just read prediction markets, there's one question that decides whether the...

A reproducible recipe: load 18M+ Polymarket price snapshots, label resolved markets, and backtest a favorite-longshot strategy in ~40 lines of pandas. With the

A walk through what ~17,900 prediction markets look like in bulk — favorite-longshot bias, late convergence, and why volume != movement — using a dataset of 17.

Polymarket has thousands of markets. Their UI is built for depth on a single market — bet slip,...

Released a labeled Polymarket crash-recovery dataset: 308 trades from a live bot, 80.2% profitable, 19 columns, real outcomes. Includes a Python loader and a ba

I built a system that tracks every Polymarket market, records price snapshots every few hours, and...

I have a database with 6.5 million price snapshots across 7,907 Polymarket markets. I built a feature...

I collect every price movement across 7,500+ Polymarket prediction markets. Every 4 minutes. That's...

Most Polymarket tools show you one market at a time. Price chart, yes/no, maybe a volume number....

I've been collecting Polymarket price data every 4 minutes for the past 3 weeks. 6,091,088 price...

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