Platform | Markets | Midpoint Brier | Relative Score | ||
---|---|---|---|---|---|
Kalshi | 13 | D | 0.0727 | B+ | -0.008 |
Manifold | 33 | D- | 0.1251 | D+ | +0.011 |
Metaculus | 16 | D- | 0.1270 | C | +0.004 |
Polymarket | 16 | D- | 0.1245 | A- | -0.011 |
Overall | 78 | D- | 0.1166 | C | 0.0016 |
Calibration plot from all resolved questions, market probability at midpoint versus average resolution value. n=223,716 markets
Source: brier.fyi
Brier scores from all resolved questions, using probability at market midpoint. Lower scores are better. n=223,716 markets
Source: brier.fyi
Kalshi | D | +0.016 |
Manifold | F | +0.042 |
Metaculus | A | -0.016 |
Polymarket | A | -0.038 |
Kalshi | A | -0.023 |
Manifold | B+ | -0.009 |
Polymarket | F | +0.043 |
Manifold | C- | +0.007 |
Metaculus | B | -0.007 |
Polymarket | D | +0.018 |
Manifold | C | +0.002 |
Metaculus | C | +0.002 |
Polymarket | B- | -0.004 |
Kalshi | C- | +0.007 |
Manifold | C- | +0.008 |
Polymarket | C | +0.001 |