Sports/POLYMARKET/April 3, 2026
polymarket market
Game result

Dota 2: Aurora vs 1win (BO3) - BLAST Slam Europe Closed Qualifier Playoffs

PRISM
18.1%
MARKET (PUBLISH)
75.0%
MARKET (SETTLED)
100%
MOVE
+25pp

PRISM detected 44.5pp overconfidence — market held

PRISM estimated 18% against the market's 75%. This time, the market was right — a calibration data point.

PRISM MISSED-100% return
ISSUED FORECASTApr 3, 2026 at 10:04 AM
STRONG · OVERPRICED+44.5ppPRISM 18% · Market 75%
PRISM
18.1%
VS
MARKET
75.0%
EDGE DETECTED44.5pp
WEAK
MODERATE
STRONG
EXTREME
OUTCOME
YES
FORECAST
STRONG
DIRECTION
OVERPRICED
CONFIDENCE
MEDIUM
ACCURACY EDGE
-608
PUBLISHED
Apr 3, 2026
VIEW LIVE PRISM FORECASTSEdge scoring updated every 2h
1

What happened

This market resolved YES on April 3, 2026. The market's pricing turned out to be more accurate than PRISM's assessment.

Forecast Tape

2 events
  1. Apr 3, 10:04 AMPUBLISHED

    Prism 18% vs market 75% — STRONG OVERPRICED

  2. Apr 3, 2:10 PMRESOLVED YES

    Resolved YES. Market was closer than Prism on this call.

2

What the market believed

MARKET PRICE · AT FORECAST TIME
75.0%

The market was pricing this event at 75.0% probability when PRISM generated its forecast. PRISM assessed this was too high — the market was overconfident.

3

What PRISM believed

PRISM PROBABILITY
18.1%
EDGE DETECTED
44.5pp
FORECAST
STRONG OVERPRICED
Confidence
MEDIUM
Kelly Reference
74.7%
PRISM Sizing (¼ Kelly · cap 5%)
N/A
PRISM REASONING
  • Aurora holds competitive advantages with 71% winrate and #4 ranking versus 1win's #17 position
  • Market pricing at 75% appears slightly elevated given Aurora's historical performance suggests ~70% probability
FACTORS FOR
  • +Aurora #4 world ranking vs 1win #17
  • +71% winrate statistical advantage
  • +Previous 2-1 head-to-head victory November 2025
FACTORS AGAINST
  • BO3 format increases variance potential
  • Match already in progress limits predictive edge
4

Why the gap existed

Prism's 56.9% edge call was wrong — market was right

CALIBRATION SCORECARD
PRISM ACCURACY
0.670
MARKET ACCURACY
0.063
EDGE
-607.6
Brier edge
The market's probability estimate was more accurate than PRISM's on this call.
5

How this forecast played out

1.PRISM analyzed Dota 2: Aurora vs 1win (BO3) - BLAST Slam Europe Closed Qualifier Playoffs, classifying it as overpriced at 75.0%.
2.Forecast classification: STRONG OVERPRICED — PRISM estimate 18.1% vs market 75.0%.
3.Kelly reference at forecast time: —% (¼ Kelly, capped at 5%; mathematical reference only — not a position recommendation).
4.Outcome: resolved YES.

Get live PRISM forecasts for Kalshi + Polymarket.

Edge scores, Kelly references, confidence levels, and resolution paths — updated every 2 hours, before the market corrects.

VIEW LIVE FORECASTS
PRISM: v0.5·Forecasted: April 3, 2026·Resolved: April 3, 2026·polymarket
For informational purposes only. Not financial advice. EdgeCal provides PRISM-generated market analysis and does not execute trades, manage funds, or guarantee returns. Past performance does not indicate future results.