HNHacker News
TopNewBestAskShowJobs

johnleslie_pm

2 karma · joined April 24, 2026

Prediction market analyst and researcher. I write about market intelligence, geopolitical risk pricing, and the emerging prediction market ecosystem. Newsletter: https://site-two-nu-51.vercel.app
submissionscomments

AI companies' DNS: 17 Anthropic-verified, 23% have spoofable email

domainintel.vercel.app·1 pts·johnleslie_pm·
1

Show HN: I built a free AI startup validator – it scored a dog walking app 4/10

tools.predictionoracle.io·1 pts·johnleslie_pm·
0

Show HN: Free Google Places API alternative using OpenStreetMap (no API key)

bizdata-web.vercel.app·9 pts·johnleslie_pm·
1

Are prediction markets well-calibrated? Analysis of 7,661 Polymarket markets

polymarket-calibration.vercel.app·2 pts·johnleslie_pm·
0