Sports/POLYMARKET/May 17, 2026
polymarket market

Will Matti Schmid win the 2026 PGA Championship?

PRISM
13.0%
MARKET (PUBLISH)
20.5%
MARKET (SETTLED)
0%
MOVE
-21pp

PRISM detected 7.5pp overconfidence — and was right

PRISM flagged overconfidence at 21%. Model estimate: 13%. The correction came through.

PRISM WAS RIGHT+26% return
ISSUED FORECASTMay 17, 2026 at 10:04 PM
MODERATE · OVERPRICED+7.5ppPRISM 13% · Market 21%
PRISM
13.0%
VS
MARKET
20.5%
EDGE DETECTED7.5pp
WEAK
MODERATE
STRONG
EXTREME
OUTCOME
NO
FORECAST
MODERATE
DIRECTION
OVERPRICED
CONFIDENCE
MEDIUM
ACCURACY EDGE
+25
PUBLISHED
May 17, 2026
VIEW LIVE PRISM FORECASTSEdge scoring updated every 2h
1

What happened

This market resolved NO on May 18, 2026. PRISM's forecast aligned with the resolved outcome.

Forecast Tape

2 events
  1. May 17, 10:04 PMPUBLISHED

    Prism 13% vs market 21% — MODERATE OVERPRICED

  2. May 18, 4:14 AMRESOLVED NO

    Resolved NO. Prism was right. +26% return.

2

What the market believed

MARKET PRICE · AT FORECAST TIME
20.5%

The market was pricing this event at 20.5% probability when PRISM generated its forecast. PRISM assessed this was too high — the market was overconfident.

3

What PRISM believed

PRISM PROBABILITY
13.0%
EDGE DETECTED
7.5pp
FORECAST
MODERATE OVERPRICED
Confidence
MEDIUM
Kelly Reference
N/A
PRISM Sizing (¼ Kelly · cap 5%)
N/A
PRISM REASONING
  • Fundamental analysis indicates Matti Schmid’s win probability is modest despite entering Round 4 two shots back in the final pairing
  • Limited major-championship pedigree and strong overall field depth materially constrain his winning chances
FACTORS FOR
  • +Tied second and just two shots back entering final round
  • +In final pairing with leader, maximizing win leverage on Sunday
FACTORS AGAINST
  • No prior top-tier major record or elite-win track record
  • Strong, deep major field with many contenders within a few shots
RESOLUTION PATHS MODELED
Schmid outplays final pairing and field to win outright10%
Schmid forces a playoff and wins per official rules3%
Evidence 49%
SOURCES (7)
last day
  • 2026 PGA Championship odds, predictions: Sunday picks by model ...cbssports.com

    The final grouping of Smalley and Matti Schmid tees off at 2:35 p.m. ET. Smalley is the +480 favorite (risk $100 to win $480) in the 2026 PGA Championship odds ...

    May 17Open →
  • 4th Round Head-to-Head: Smalley vs Schmid Odds & Predictionskalshi.com

    If Matti Schmid wins the head-to-head matchup against Alex Smalley in the 4th round of the 2026 PGA Championship, then the market resolves to Yes.

    May 17Open →
  • PGA Tour: Final Pairings Betting Odds - FanDuel Sportsbooksportsbook.fanduel.com

    Matti Schmid. +110. Alex Smalley. -138. More wagers. 2 Ball (Round 4) - Rahm ... Who Has the Best Odds to Win the 2026 PGA Championship? For the upcoming ...

    May 17Open →
  • PGA Championship: Top 5 Finishers Odds and Forecast | Octagon AIoctagonai.co

    After the third round of the 2026 PGA Championship, Aaron Rai holds the lead, with Matti Schmid also in contention, and a group including Chris Kirk, Alex ...

    May 17Open →
  • Who Is Matti Schmid? A Look at the German Making His PGA ...pgachampionship.com

    The 28-year-old from Regensburg, Germany is making his PGA Championship debut this week and enters the final round at -4, two shots behind leader Alex Smalley.

    May 17Open →
  • 2026 PGA Championship Golf Betting: Final-Round Predictions ...vsin.com

    Smalley will be in the final group tomorrow with Matti Schmid (30/1), who like his playing partner, is seeking his first professional victory after shooting a 5 ...

    May 17Open →
  • Alex Smalley Leads PGA Championship Leaderboard as McIlroy ...heavy.com

    Alex Smalley leads the PGA Championship entering Sunday as updated leaderboard standings and betting odds tighten at Aronimink ... Matti Schmid (-4). T2. Nick ...

    May 17Open →

PRISM RETRIEVES EVIDENCE FROM A CURATED LIST OF PRIMARY WIRES + OFFICIAL SOURCES

4

Why the gap existed

Prism correctly identified 7.5% mispricing

CALIBRATION SCORECARD
PRISM ACCURACY
0.017
MARKET ACCURACY
0.042
EDGE
+25.3
Brier edge
PRISM's probability estimate was more accurate than the market price.
5

How this forecast played out

1.PRISM analyzed Will Matti Schmid win the 2026 PGA Championship?, classifying it as overpriced at 20.5%.
2.Forecast classification: MODERATE OVERPRICED — PRISM estimate 13.0% vs market 20.5%.
3.Kelly reference at forecast time: —% (¼ Kelly, capped at 5%; mathematical reference only — not a position recommendation).
4.Outcome: resolved NO.

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: v0.9.125-fast-ledger-floor·Forecasted: May 17, 2026·Resolved: May 18, 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.