🏛Politics/POLYMARKET/April 4, 2026
polymarket market

US forces enter Iran by April 30?

PRISM
69.5%
MARKET (PUBLISH)
84.5%
MARKET (SETTLED)
100%
MOVE
+16pp

PRISM detected 17.9pp overconfidence — market held

PRISM estimated 70% against the market's 85%. This time, the market was right — a calibration data point.

PRISM MISSED-100% return
ISSUED FORECASTApr 4, 2026 at 4:04 AM
MODERATE · OVERPRICED+17.9ppPRISM 70% · Market 85%
PRISM
69.5%
VS
MARKET
84.5%
EDGE DETECTED17.9pp
WEAK
MODERATE
STRONG
EXTREME
OUTCOME
YES
FORECAST
MODERATE
DIRECTION
OVERPRICED
CONFIDENCE
HIGH
ACCURACY EDGE
-69
PUBLISHED
Apr 4, 2026
VIEW LIVE PRISM FORECASTSEdge scoring updated every 2h
1

What happened

This market resolved YES on April 9, 2026. The market's pricing turned out to be more accurate than PRISM's assessment.

Forecast Tape

2 events
  1. Apr 4, 4:04 AMPUBLISHED

    Prism 70% vs market 85% — MODERATE OVERPRICED

  2. Apr 9, 12:28 AMRESOLVED YES

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

2

What the market believed

MARKET PRICE · AT FORECAST TIME
84.5%

The market was pricing this event at 84.5% probability when PRISM generated its forecast. PRISM assessed this was too high — the market was overconfident.

3

What PRISM believed

PRISM PROBABILITY
69.5%
EDGE DETECTED
17.9pp
FORECAST
MODERATE OVERPRICED
Confidence
HIGH
Kelly Reference
17.8%
PRISM Sizing (¼ Kelly · cap 5%)
N/A
PRISM REASONING
  • Verified facts confirm ongoing US air operations but zero ground entry despite 26 days of conflict
  • Market severely overpricing based on air strike confusion versus actual resolution criteria
FACTORS FOR
  • +Ongoing military escalation
  • +Ground forces deployed to region
FACTORS AGAINST
  • No verified ground entry in 26 days
  • Officials explicitly ruled out ground troops
  • Air operations sufficient for current objectives
  • Diplomatic efforts ongoing
4

Why the gap existed

Prism's 15.0% edge call was wrong — market was right

CALIBRATION SCORECARD
PRISM ACCURACY
0.093
MARKET ACCURACY
0.024
EDGE
-69.0
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 US forces enter Iran by April 30?, classifying it as overpriced at 84.5%.
2.Forecast classification: MODERATE OVERPRICED — PRISM estimate 69.5% vs market 84.5%.
3.Kelly reference at forecast time: —% (¼ Kelly, capped at 5%; mathematical reference only — not a position recommendation).
4.Outcome: resolved YES.

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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 4, 2026·Resolved: April 9, 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.