Short Answer

Josh Shapiro is expected to win the 2026 Pennsylvania gubernatorial election, with the market pricing this outcome at 95.5%.

1. Market Behavior & Drivers

The formalization of the 2026 general election matchup between incumbent Democrat Josh Shapiro and Republican Stacy Garrity appears to coincide with the main price adjustment in this market. The probability of a Democratic victory rose from 2.9% to 4.3% between August 26 and September 2 as the general election candidates were confirmed. This small re-pricing suggests the market viewed the confirmation of the specific Republican challenger as a marginal positive for the Democratic incumbent's chances.
Beyond this shift, the market has shown no reaction to other developments, trading within a narrow 2.6% to 5.2% range on moderate volume. No other news catalyst in the provided information accounts for any other price movement. The low absolute probability assigned to the incumbent Democrat is not explained by the available context.
  • Since last update (~122d): Stacy Garrity's model-market edge flipped, driven by a -4.4pp market probability decrease. (Market_led)
  • Josh Shapiro's model probability increased by +1.7pp, widening his edge. (Model_led)
  • Overall prediction confidence substantially decreased by -4.0pp, from 9.0 to 5.0.
  • The aggregate model-market edge compressed by -0.5pp, from 0.6 to 0.1.
  • Josh Shapiro's re-election chances appear strong, supported by high approval ratings.
  • Josh Shapiro maintains a significant lead in Q3 2026 aggregate polling.

Who Wins and Why

Outcome Market Model Why
Stacy Garrity 2.6% 2.7% No specific justification was provided in the research excerpt for this outcome.
Josh Shapiro 95.5% 97.3% No specific justification was provided in the research excerpt for this outcome.

Current Context

The 2026 Pennsylvania gubernatorial election remains open until November 3. The general election is scheduled for November 3, 2026, and the winner has not yet been determined as of September 9, 2026 [1][2][3][4]. Incumbent Democratic Governor Josh Shapiro, with Lt. Gov. Austin Davis, will face Republican challenger Stacy Garrity, running with Jason Richey [1][5][6][4][7][8]. Libertarian Ken Krawchuk is also on the ballot [1][6]. Both Shapiro and Garrity secured their party nominations unopposed in the primary elections held on May 19, 2026 [1][5][3].
Incumbent Governor Shapiro holds a significant lead in early forecasts. Key campaign themes for the election include abortion access, education, economic policy, and Shapiro's potential future national political ambitions [1][5][3]. Early polling shows generally strong job approval ratings for the incumbent governor [1][5][3]. As of September 2026, Decision Desk HQ forecasts a 93% win probability for Josh Shapiro [7][8]. Recent polling averages indicate Shapiro leads Garrity by approximately 21 percentage points [4][7][8][9].
Sources (9)
  1. 1PA election 2026: Governor voter guide: Shapiro vs. Garrity - WHYYwhyy.org
  2. 22026 Pennsylvania gubernatorial election - Wikipediaen.wikipedia.org
  3. 3Pennsylvania governor’s race set between Josh Shapiro, Stacy Garrity | ABC27abc27.com
  4. 4Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  5. 5As Shapiro, Garrity set to face off for governor, here are 7 hurdles that could shape racetriblive.com
  6. 6PA election 2026: Voter guide, candidates and ballot info - WHYYwhyy.org
  7. 72026 Pennsylvania Governor Forecast | DDHQintegration-votes.decisiondeskhq.com
  8. 82026 Pennsylvania Governor Forecast | DDHQvotes.decisiondeskhq.com
  9. 92026 Pennsylvania Governor Polling Polling Average | DDHQvotes.decisiondeskhq.com

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Market Data

Contract Snapshot

This market resolves based on the winning party of the Pennsylvania Governor election. A "Yes" resolution for a candidate's contract is triggered if their associated party wins the election, and a "No" resolution occurs if their party does not win. The market begins on November 3, 8:00 AM EST, with the maximum payout date set for November 3, 2027.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Josh Shapiro $0.97 $0.04 96%
Stacy Garrity $0.04 $0.97 3%

Market Discussion

The 2026 Pennsylvania gubernatorial election, scheduled for November 3, 2026, features incumbent Democrat Josh Shapiro seeking re-election against Republican Stacy Garrity and Libertarian Ken Krawchuk [1][2][3][4]. Prediction markets, as of September 9, 2026, show a high probability, typically between 96% and 98%, for a Josh Shapiro victory [5][6][7][8][9]. Additionally, Decision Desk HQ forecasts Shapiro as likely to win with a 93% probability as of late August 2026, though recent polls have shown some narrowing in his lead [1][8][10].

Sources (10)
  1. 12026 Pennsylvania gubernatorial electionen.wikipedia.org
  2. 2Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  3. 3Pennsylvania elections, 2026 - Ballotpediaballotpedia.org
  4. 4Josh Shapiro - Ballotpediaballotpedia.org
  5. 52026 Pennsylvania Governor Election | Polls & Oddspoliticspa.com
  6. 6Pennsylvania Governor winner? Odds & Predictions 2026 - Kalshikalshi.com
  7. 72026 Pennsylvania Governor Election | Polls & Oddscityandstatepa.com
  8. 82026 Pennsylvania Governor Election: Polls & Odds | Prediction Edgepredictionedge.com
  9. 9Pennsylvania Governor Election Winner - Compare Odds on 3 Platforms | CoinRithmcoinrithm.com
  10. 102026 Pennsylvania Governor Forecast | DDHQvotes.decisiondeskhq.com

4. Trust Index

This scorecard was computed Sep 22, 2026 and may not reflect current market conditions.

Octagon Trust Index Kalshi 79 Good

Largest single print on GOVPARTYPA-26-D carried 41% of its $71,850 tape (window is 100% of 24h flow; print is 26d old)

Integrity risk· Large trades

How it adds up
Integrity80% of score84Good
Trade quality20% of score60Caution

Includes the cost to trade: a $10,000 order loses under 1% of the price to slippage.

Trust score79Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply
Market integrity
82Good

Outcome is hard to influence

Large tradesTrade signals · medium confidence

Largest single print on GOVPARTYPA-26-D carried 41% of its $71,850 tape (window is 100% of 24h flow; print is 26d old)

Screened clean
Thin-volume movesNo significant move Clear
Size patternsTrade sizes look organic. Clear
2 screens not run
Outcome control · doesn't apply to this market type
Thin-leg conviction · doesn't apply to this market type
Info fairness
80Good

Structural prior — no screens apply

No suspicious activity on any screen

Screened clean
Information exposureNo concentrated group can know the outcome materially early. Clear
4 screens not run
Move vs. catalyst · doesn't apply to this market type
Longshot repricing · doesn't apply to this market type
Pre-broadcast certainty · doesn't apply to this market type
Cross-venue timing · doesn't apply to this market type
Resolution quality
92Strong

Resolution mechanism is dependable

No suspicious activity on any screen

Resolution rules read: Clear

Liquidity
57Thin

Expect slippage beyond small size

2 contracts · worst first

Josh Shapiro57
Thin · low confidence

Light recent trading — size may not fill near the screen price.

Stacy Garrity59
Thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
70Stable

No significant moves

2 contracts · worst first

Josh Shapiro—
No significant move (3d)

Price was stable over the last 3 days.

Stacy Garrity—
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100Clear

Counts toward Resolution quality, not here

2 contracts · worst first

Josh Shapiro100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Stacy Garrity100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Trade quality
60Caution

Tradable, but expect execution cost beyond small sizes.

Outcome quality 57 (notional-weighted across 2 scored legs)

$100 order: 0.2c slippage (<1% of a 97.3c contract)

$1,000 order: 0.4c slippage (<1% of a 97.3c contract)

$10,000 order: 0.4c slippage (<1% of a 97.3c contract)

Josh Shapiro57Market scoreLiquidity57Move quality–Rule clarity100
Why 57
Liquidity
57 · Thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
No significant move (3d)

Price was stable over the last 3 days.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Stacy Garrity59Market scoreLiquidity59Move quality–Rule clarity100
Why 59
Liquidity
59 · Thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear

underwriting_v1.4 · computed Sep 22, 2026

5. How do Josh Shapiro and Stacy Garrity's platforms compare on key 2026 campaign issues like the economy, education, and abortion access?

Democratic NomineeJosh Shapiro (incumbent Governor) [1][2][3]
Republican NomineeStacy Garrity (state Treasurer) [1][2][3]
General Election DateNovember 3, 2026 [4]
Incumbent Democratic Governor Josh Shapiro and Republican state Treasurer Stacy Garrity are the confirmed nominees for Pennsylvania's 2026 gubernatorial election [4]. Both secured their party nominations following primary victories on May 19, 2026, ahead of the general election on November 3, 2026 [4]. Governor Shapiro positions himself as a pragmatic and bipartisan leader, focusing his platform on infrastructure and broader fiscal policy [1][2][3]. In contrast, Treasurer Garrity centers her campaign on fiscal conservatism, advocating for reduced government waste and inefficiency, and maintains a strong alignment with Donald Trump [1][2][3].
Current campaign discussions primarily highlight economic policy and administrative critiques [1][5]. Both candidates emphasize fiscal matters, with Governor Shapiro broadly addressing fiscal policy and Treasurer Garrity focusing on fiscal conservatism and reducing government inefficiency [1][2][3]. However, detailed comparative policy breakdowns regarding other key issues, such as abortion access, are not prominently featured in current campaign reporting [1][5]. Similarly, the available information does not provide specific details on either candidate's platform concerning education [1]. The broader campaign narrative predominantly revolves around Governor Shapiro's gubernatorial record, set against Treasurer Garrity's critiques of his administration [1][5].
Sources (5)
  1. 1PA election 2026: Governor voter guide: Shapiro vs. Garrity - WHYYwhyy.org
  2. 2Stacy Garrity for Governorgarrityforpa.com
  3. 3Republican Stacy Garrity's first campaign speech of 2026 was all...penncapital-star.com
  4. 4Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  5. 52026 Pennsylvania Governor Election | Polls & Oddscityandstatepa.com

6. What do Josh Shapiro's approval ratings throughout 2026 and historical precedent for incumbent governors suggest about his re-election chances?

Highest Approval Rating60% (during term) [1][2][3]
Polling Lead over Stacy GarrityApproximately 21 percentage points [4][5]
Incumbent Re-election Rate in PAApproximately 86% [6][7][8]
Governor Josh Shapiro's re-election chances for 2026 appear strong and well-supported. His prospects are robust, underpinned by high approval ratings, consistent polling advantages, and a strong historical precedent favoring incumbent governors in Pennsylvania [1][2][3][6][7][8]. This positive outlook is further reinforced by prediction markets and analyses from Decision Desk HQ, which assign a high probability to his re-election [3][9][10][11][4][5][12][13].
Current polling and approval ratings strongly favor Governor Shapiro's re-election bid. As of September 2026, Governor Shapiro maintains strong job approval, having reached 60% during his term [1][2]. Polling data throughout 2026 has consistently shown him with a significant lead over Republican opponent Pennsylvania State Treasurer Stacy Garrity, with recent aggregates placing him approximately 21 percentage points ahead [1][2][3][4][5].
Prediction markets and historical trends indicate a high probability of Shapiro's victory. Prediction markets currently indicate a 90% to 97% probability of a Democratic victory in the 2026 Pennsylvania gubernatorial election, overwhelmingly favoring Shapiro [3][9][10][11]. Decision Desk HQ assigns a 93% probability to his win as of early September 2026 [4][5][12][13]. Historically, incumbent governors in Pennsylvania have an approximately 86% re-election success rate since the state allowed re-election bids, with only one incumbent losing in the last four decades [6][7][8]. These factors, combined with the advantages of incumbency, bolster his chances for the November 3, 2026, general election [5].
Sources (13)
  1. 1PA Governor 2026 | Cook Political Reportcookpolitical.com
  2. 210/1/25 - Pennsylvania Gov. Shapiro Hits 60% Job Approval, Leads...poll.qu.edu
  3. 3Will a Democrat Win the Pennsylvania Governor Election? Winner Odds | Lines.comlines.com
  4. 42026 Pennsylvania Governor Polling Polling Average | DDHQvotes.decisiondeskhq.com
  5. 5Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  6. 6Governor Reelection Rates — MultiState Electionsmultistate.us
  7. 7When Governors Seek Re-Electiongovernors.rutgers.edu
  8. 8Tom Wolf Elected Governor, Ousts Corbett In Historic Election - CBS Pittsburghcbsnews.com
  9. 9Josh Shapiro: 2026 Pennsylvania Governor Polls & Odds | Prediction Edgepredictionedge.com
  10. 10https://polymarket.com/event/pennsylvania-governor-winner-2026?r=predictionhuntnewswidgetpolymarket.com
  11. 11Pennsylvania Governor winner? Odds — Democrat 95¢, Republican 7¢predictionhunt.com
  12. 122026 Pennsylvania Governor Forecast | DDHQvotes.decisiondeskhq.com
  13. 132026 Pennsylvania Governor Forecast | DDHQintegration-votes.decisiondeskhq.com

7. What potential catalysts or campaign events between September and November 2026 could significantly alter the election forecast for Shapiro or Garrity?

Shapiro Win Odds (prediction markets)93-97% [1][2][3]
Shapiro Polling Lead (late Aug 2026)+21.4% [4][5]
Decision Desk HQ Probability (Shapiro)93% (D+20 projected margin) [4][5]
Governor Josh Shapiro currently holds a significant lead in the gubernatorial race. As of early September 2026, incumbent Governor Josh Shapiro is a strong favorite for re-election against Republican challenger Stacy Garrity. Prediction markets indicate Shapiro has a 93-97% chance of winning [1][2][3]. Polling data from late August 2026 shows Shapiro with a substantial lead of +21.4%, and Decision Desk HQ projects a 93% probability of Shapiro winning with a Democratic +20 margin [4][5]. Furthermore, Shapiro possesses a considerable fundraising advantage, which is anticipated to help mitigate late-stage campaign shifts [6][7].
Garrity's campaign attacks Shapiro, but major changes require significant catalysts. Stacy Garrity's campaign has sought to leverage a dispute regarding state-funded security upgrades at Shapiro's private residence, portraying it as an issue of fiscal irresponsibility and entitlement [8][9][2]. Garrity's campaign also focuses on the economy, public safety, and energy policy [8][9][2]. Despite these efforts, substantial changes to the election forecast between September and November 2026 would likely necessitate major catalysts. These potential catalysts include a sudden downturn in the Pennsylvania economy, a credible scandal involving Shapiro, or a national political wave against Democrats [8][1][2][7]. No specific debate dates or other campaign milestones are currently expected to act as definitive turning points in this late stage of the election cycle [4].
Sources (9)
  1. 1Josh Shapiro: 2026 Pennsylvania Governor Polls & Odds | Prediction Edgepredictionedge.com
  2. 2Josh Shapiro Reaches 95% Favorite in Pennsylvania Governor Race | Prediction Huntpredictionhunt.com
  3. 3https://polymarket.com/event/pennsylvania-governor-winner-2026/will-the-democrats-win-the-pennsylvania-governor-race-in-2026?r=predictionhunteventspolymarket.com
  4. 4Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  5. 52026 Pennsylvania Governor Forecast | DDHQvotes.decisiondeskhq.com
  6. 6PA governor race: Your guide to Democrat Josh Shapiro - Spotlight PAspotlightpa.org
  7. 7Will a Democrat Win the Pennsylvania Governor Election? Winner Odds | Lines.comlines.com
  8. 8PA election 2026: Governor voter guide: Shapiro vs. Garrity - WHYYwhyy.org
  9. 9Stacy Garrity for Governorgarrityforpa.com

8. What does the aggregate polling data from Q3-Q4 2026 indicate about the voter spread between Josh Shapiro and Stacy Garrity?

Shapiro Lead (early Sep 2026)19 to 20 percentage points [1][2]
Shapiro Polling (early Sep 2026)around 52% [1]
Latest Aggregate Lead (Sep 9, 2026)approximately 21.4 percentage points [3][4][5]
Josh Shapiro holds a significant lead over Stacy Garrity in Q3 2026. Aggregate polling data for the third quarter of 2026 indicates that incumbent Democrat Josh Shapiro maintains a substantial lead over Republican challenger Stacy Garrity in the Pennsylvania gubernatorial race. The available research does not contain aggregate polling data for Q4 2026. As of early September 2026, aggregate polling showed Shapiro leading Garrity by approximately 19 to 20 percentage points, with Shapiro polling around 52% and Garrity around 32-33% [1][2]. This consistent lead was reinforced by a late August 2026 New York Times/Philadelphia Inquirer/Siena poll, which confirmed Shapiro maintained a double-digit lead of 16 points over Garrity [6][1].
Shapiro's lead consistently ranged between 16 and 21.4 percentage points. By September 9, 2026, aggregate polling consistently showed Josh Shapiro leading by a substantial margin, most recently recorded at approximately 21.4 percentage points [3][4][5].
Sources (6)
  1. 12026 Pennsylvania Governor Polls | Polling Average & Latest Pollspollsmax.com
  2. 2Josh Shapiro: 2026 Pennsylvania Governor Polls & Odds | Prediction Edgepredictionedge.com
  3. 32026 Pennsylvania Governor Polling Polling Average | DDHQvotes.decisiondeskhq.com
  4. 42026 Pennsylvania Governor Forecast | DDHQvotes.decisiondeskhq.com
  5. 5Pennsylvania gubernatorial and lieutenant gubernatorial election, 2026 - Ballotpediaballotpedia.org
  6. 6Shapiro holds 16-point lead in reelection bid polling - The Hillthehill.com

9. How do Josh Shapiro's and Stacy Garrity's Q3 2026 fundraising totals and cash-on-hand compare?

Q3 2026 Fundraising (Shapiro)Not provided in research (specific federal filing not found) [1]
Q3 2026 Cash-on-Hand (Garrity)Not provided in research (specific federal filing not found) [1]
Gubernatorial Race ReportingGoverned by Pennsylvania state disclosure laws [1]
Specific Q3 2026 fundraising data for Shapiro and Garrity is unavailable. The research indicates that specific Q3 2026 fundraising totals and cash-on-hand figures for Josh Shapiro and Stacy Garrity were not available. This is primarily because campaign finance data for these state-level candidates in the 2026 gubernatorial race is not aggregated under a single federal filing for that period [1].
Gubernatorial campaigns adhere to Pennsylvania state, not federal, laws. Gubernatorial races are subject to Pennsylvania state disclosure laws, not federal FEC reporting requirements [1]. While some FEC documents appeared in search results, they pertained to different committee structures or aggregate party data, and did not provide the specific gubernatorial campaign finance totals for Shapiro or Garrity for Q3 2026 [1][2].
Sources (2)
  1. 1FEC FORM 3docquery.fec.gov
  2. 2FEC FORM 3docquery.fec.gov

10. What Could Change the Odds

Key Catalysts

The 2026 Pennsylvania gubernatorial election is scheduled for November 3, 2026, with incumbent Governor Josh Shapiro (Democratic Party) running against Republican candidate Stacy Garrity and Libertarian Ken Krawchuk [1][2][3][4][5]. Critical election deadlines include the voter registration deadline on October 19, 2026, and the mail-in ballot request deadline on October 27, 2026 [3][6]. As of September 9, 2026, prediction markets assign incumbent Governor Shapiro a win probability exceeding 95% [2][7][8][9]. Decision Desk HQ currently forecasts a 93% probability of a win for Shapiro [5][4], aligning with non-partisan analysts who rate the race as Solid Democratic [5][4]. Aggregated polling data from late August 2026 shows Josh Shapiro averaging approximately 54.4% compared to Stacy Garrity's 33.0% [5][10].
Bullish factors favoring the incumbent include consistent double-digit polling leads, strong job approval ratings, and substantial fundraising advantages [2][11]. These elements have contributed to the current high probability assigned to Governor Shapiro's re-election.
Potential bearish catalysts, which could shift market probabilities, involve late-campaign scandals, significant shifts in voter turnout, or major unanticipated state or national political events [2][11]. These factors represent the primary remaining uncertainties for the election outcome.

Key Dates & Catalysts

  • Expiration: November 03, 2027
  • Closes: November 03, 2027
Sources (11)
  1. 1Josh Shapiro - Ballotpediaballotpedia.org
  2. 22026 Pennsylvania gubernatorial election - Wikipediaen.wikipedia.org
  3. 3PA election 2026: Voter guide, candidates and ballot info - WHYYwhyy.org
  4. 4Pennsylvania gubernatorial and lieutenant gubernatorial election...ballotpedia.org
  5. 52026 Pennsylvania Governor Forecast | DDHQintegration-votes.decisiondeskhq.com
  6. 6Pennsylvania Election Dates 2026cityandstatepa.com
  7. 72026 Pennsylvania Governor Election | Polls & Oddspoliticspa.com
  8. 8Pennsylvania Governor winner? Odds & Predictions 2026 - Kalshikalshi.com
  9. 9Could PA insiders profit from political prediction markets? • Spotlight PAspotlightpa.org
  10. 102026 Pennsylvania Governor Polling Polling Average | DDHQvotes.decisiondeskhq.com
  11. 11Will a Democrat Win the Pennsylvania Governor Election? Winner Odds | Lines.comlines.com