analysisPublished Mar 8, 2026(Updated Mar 8, 2026)

Monthly Prediction Market Accuracy Report

A comprehensive monthly summary of prediction market performance across platforms, sectors, and companies.

2042

Total Markets

0.221

Avg Brier

93%

Hit Rate

373

Companies Tracked

Monthly Summary

This month's analysis covers 2042 resolved prediction markets with an overall Brier score of 0.221 and 93% hit rate.

Platform Performance

| Platform | Brier Score | Hit Rate | Markets | |----------|-------------|----------|---------| | Polymarket | 0.029 | 96% | 1055 | | Kalshi | 0.079 | 90% | 987 |

Top Performers This Month

  • NFLX: 0.000 Brier score
  • C: 0.000 Brier score
  • GME: 0.000 Brier score

Sector Breakdown

  • Financials: 608 markets, 86% accuracy
  • Technology: 484 markets, 97% accuracy
  • Finance: 263 markets, 96% accuracy
  • Energy: 186 markets, 96% accuracy
  • Semiconductors: 116 markets, 97% accuracy

Horizon Accuracy

How accuracy improves as markets approach resolution:

  • 2 Weeks: 0.221 Brier (36 samples)
  • 10 Days: 0.186 Brier (72 samples)
  • 1 Week: 0.158 Brier (147 samples)
  • 2 Days: 0.124 Brier (232 samples)
  • 1 Day: 0.126 Brier (708 samples)
  • 12 Hours: 0.129 Brier (710 samples)

Key Takeaways

  • Overall market accuracy remains moderate with Brier scores well below random chance
  • Polymarket leads in accuracy this period
  • Higher volume markets continue to show better calibration
  • Accuracy improves significantly as resolution approaches
  • Looking Ahead

    Monitor markets for NFLX, C, GME which have shown consistent accuracy. Be cautious with low-volume markets and novel event types.


    Report generated 3/8/2026. Data reflects all resolved markets in the analysis period.

    Topics

    monthly-reportaccuracysummary

    Companies Mentioned