Short Answer

The model assigns meaningfully higher odds than the market for Joe Biden to make a public appearance, seeing potential mispricing at 99.0% model vs 64.0% market. This is driven by confirmed public appearances for multiple high-profile political figures, including Joe Biden, through government and reputable news sources.

1. Market Behavior & Drivers

This prediction market has demonstrated a sideways trading pattern, oscillating within a relatively narrow 7-point range between 64% and 71%. The price began at 66% before experiencing its most significant volatility early in the period, rising to a high of 71% on May 5 and subsequently falling to a low of 64% by May 8, where it currently stands. This price action establishes 64% as a key support level and 71% as a resistance level that the market was unable to sustain. The provided context does not contain specific information that would directly explain these price movements for this market.
The market sentiment suggests a consistent belief that a "Yes" resolution is the more probable outcome, as the price has remained well above 50% throughout the period. However, the failure to maintain the peak price and the subsequent decline to the bottom of the trading range indicate that conviction has somewhat softened or is awaiting new catalysts. The overall sideways trend points to a market in equilibrium, where traders may be uncertain or have priced in existing expectations without new information to shift the consensus significantly.
Trading volume offers further insight into market conviction. With a total of 531 contracts traded, participation appears to be moderate. The lack of volume noted on specific dates with significant price changes suggests that these movements may have occurred on thin trading, potentially driven by a small number of participants rather than a broad-based shift in opinion. This low-volume volatility can indicate a lack of strong conviction behind the price swings, reinforcing the idea of an uncertain market operating within a defined range.
  • Joe Biden, Donald Trump, Keir Starmer, and Marco Rubio confirmed May 2026 appearances.
  • Social media reports suggest a public appearance by George W. Bush.
  • UK Prime Minister Keir Starmer delivered remarks in early May 2026.
  • US Secretary Marco Rubio gave a keynote speech in early May 2026.
  • George W. Bush Presidential Center has confirmed May 2026 events.
  • Kamala Harris has confirmed public appearances in May 2026.

Current Context

Prediction markets define public appearances and meetings within specific May 2026 windows. Kalshi's "Who will publicly appear" market will resolve to "Yes" if George W. Bush is seen in public between 10:00 AM on May 1, 2026, and June 1, 2026 [1]. Similarly, Polymarket's "Who will Trump meet with in May?" market defines a "meeting" as an in-person encounter where Donald Trump and a listed individual interact, with the resolution period covering May 1 through May 31, 2026, at 11:59 PM ET [2].
Several notable figures are scheduled for public appearances in May 2026. UK Prime Minister Keir Starmer made remarks at the No10 Tackling Antisemitism Forum on May 5, 2026, with a public speech transcript available on GOV.UK [3]. Additionally, a Brookings event titled “The rise of prediction markets: Level playing field or rigged game?” is planned for May 12, 2026. This public panel will include Senator Adam Schiff, Sam Henry Lazarus, Todd Phillips, and Kalshi’s Rick Heaslip [4].
Sources (4)
  1. 1Who will make a public appearance this month? - Kalshikalshi.com
  2. 2Who will Trump meet with in May? Trading Odds & Predictions 2026 | Polymarketpolymarket.com
  3. 3Prime Minister’s remarks at No10 Tackling Antisemitism Forum: 5 May 2026 - GOV.UKgov.uk
  4. 4Register to attend 'The rise of prediction markets: Level playing field or rigged game?'connect.brookings.edu

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

📉 May 08, 2026: 10.0pp drop

Price decreased from 64.0% to 54.0%

Outcome: George W. Bush

What happened: The primary driver for the 10.0 percentage point drop was social media activity on May 4, 2026, which highlighted a "rare public appearance" by George W. Bush [1]. These posts, shared widely on platforms like Facebook, likely diminished expectations for additional public appearances from Bush later in May, particularly given the absence of other explicitly scheduled events for him [2]. This social media narrative appeared to LEAD the price move by establishing a perception of infrequent public engagements. Social media was a primary driver.
Sources (2)
  1. 1Breaking: George W. Bush Makes a Rare Public Appearancefacebook.com
  2. 2Events for May 2026 – The Center for Presidential Historyblog.smu.edu

4. Market Data

Contract Snapshot

This market resolves to "Yes" if George W. Bush is physically present, alive, and appears conscious in a public setting between May 1, 2026, 10:00 AM EDT, and June 1, 2026, as reported by the specified news agencies or official sources. Conversely, it resolves to "No" if no such qualifying public appearance is confirmed by May 31, 2026, 11:59 PM EDT. The market will close early if a public appearance meeting the criteria occurs.

Market Discussion

A Kalshi market tracks public appearances for figures like George W. Bush from May 1 to June 1, 2026 [1]. While no sources confirm specific May 2026 public appearances by individual traders, the market generally focuses on political figures, with related discussions from traders like Tyrael and Domer appearing on social media and podcasts [1].

Sources (1)
  1. 1Who will make a public appearance this month? - Kalshikalshi.com

5. What scheduled speeches, university commencements, or media appearances in May 2026 could feature Joe Biden or Kamala Harris?

President Biden's appearanceUS Holocaust Memorial Museum, May 7, 2026, 11 a.m. ET [1]
Former VP Harris's appearanceNevada State Democratic Party, May 7, 2026, 4:30 p.m. [2][3]
University commencementsNo announced appearances for Biden or Harris in May 2026 [4][5][6][7][8][9]
President Joe Biden and Kamala Harris have confirmed public appearances in May 2026. President Biden is scheduled to deliver a keynote address at the US Holocaust Memorial Museum Days of Remembrance ceremony at the US Capitol on May 7, 2026, at 11 a.m. ET [1]. On the same day, former Vice President Kamala Harris is slated to host a fireside chat with the Nevada State Democratic Party in Las Vegas at 4:30 p.m. [2][3]. These engagements ensure both are expected to make public appearances before June 1, 2026.
No university commencements are scheduled for Biden or Harris. No university commencements featuring either Joe Biden or Kamala Harris have been announced for May 2026. Research into the commencement plans for major institutions such as Georgetown [4], the University of Delaware (Biden School) [5], Carnegie Mellon [6], Lincoln University [7], Boston University [8], and Duke [9] confirmed their May 2026 schedules but none included appearances by Biden or Harris. Furthermore, the official website for Joe Biden's office currently lists no events for May 2026 [10].
Sources (10)
  1. 1President Joseph Biden to Deliver Keynote Address at Museum's Annual Days of Remembrance Ceremony at U.S. Capitol - United States Holocaust Memorial Museumushmm.org
  2. 2Former VP Kamala Harris to visit Las Vegas for NV Dems conversationfox5vegas.com
  3. 3Kamala Harris to join Nevada Democrats' 'fireside chat' in Las Vegasnews3lv.com
  4. 4Georgetown University to Hold Class of 2026 Commencement May 14-17 in Washington, DC - Georgetown Universitygeorgetown.edu
  5. 5Biden School Convocation - University of Delawareevents.udel.edu
  6. 6Announcing our 2026 Commencement Speaker and Honorary Degree Recipients | Carnegie Mellon Universitycmu.edu
  7. 7REV. DR. WILLIAM J. BARBER II TO KEYNOTE 167TH COMMENCEMENT - Lincoln Universitylincoln.edu
  8. 8Commencement Speaker, Honorary Degree Recipients, and Metcalf Winners Revealed at Senior Breakfast | BU Today | Boston Universitybu.edu
  9. 9Duke to Celebrate Nearly 7,000 Graduates During 2026 Commencement | Duke Todaytoday.duke.edu
  10. 10The Office of Joe and Jill Bidenjoebiden.com

6. How do Bill Clinton's and George W. Bush's public appearance frequencies over the past 24 months compare, and what does this suggest for May 2026?

Bill Clinton May 2026 appearancesKeynote at University of Arkansas Clinton School commencement (May 3-4, 2026) and naturalization event (May 1, 2026) [1][2][3]
George W. Bush May 2026 appearancesNo specific May events listed by his center [4]
Joint appearanceEconomic Club Grand Rapids on June 2, 2026 [5][6]
Both former presidents showed similar sporadic public appearance frequencies over the past 24 months. During this period, both Bill Clinton and George W. Bush engaged in three or more public events and remained active through their respective foundations [7]. Bill Clinton's recent public engagements included the DNC 2024 [3] and the Milken Global conference on May 8, 2024 [8]. George W. Bush's appearances included a keynote at the Zions Bank International Trade Summit on May 23, 2024 [9], remarks at 'Mission Transition' on October 22, 2025 [10], and an address at St. Mark’s School on April 22, 2026 [11].
Bill Clinton has several public engagements scheduled for May 2026. He is slated to give a keynote speech at the University of Arkansas Clinton School commencement on May 3-4, 2026 [1][2] and will also participate in a naturalization event on May 1, 2026 [3]. In contrast, George W. Bush's center has not listed any specific events for May 2026, though he is available for engagements [12][4].
Both former presidents are scheduled for a joint appearance in early June. Bill Clinton and George W. Bush are slated to speak together at the Economic Club Grand Rapids on June 2, 2026 [5][6].
Sources (12)
  1. 1Bill Clinton gives keynote speech at Univ. of Arkansasactionnews5.com
  2. 2Bill Clinton delivers keynote at Clinton School’s 20th commencement in Little Rockkatv.com
  3. 3Post-presidency of Bill Clintonen.wikipedia.org
  4. 4Engage at the Bush Center, presented by NexPoint | George W. Bush Presidential Centerbushcenter.org
  5. 5George W. Bush, Bill Clinton to speak at Grand Rapids eventmlive.com
  6. 6Two former U.S. presidents to speak at The Economic Club of Grand Rapids' Annual Dinnerwwmt.com
  7. 7Events – Clinton Foundationclintonfoundation.org
  8. 8https://milkeninstitute.org/events/global-conference-2024/speakers/william-clintonmilkeninstitute.org
  9. 9Utah Business | Former President George W. Bush offers keynote at Zions Bank International Trade Summit — World Trade Center Utahwtcutah.com
  10. 10Remarks by President George W. Bush at “Mission Transition”bushcenter.org
  11. 11St. Mark’s School of Texas | President George W. Bush Addresses Spring Convocationsmtexas.org
  12. 12George W. Bush Speaking Engagements, Schedule, & Fee | WSBwsb.com

7. Where can traders find advance guest lists and broadcast schedules for May 2026 episodes of C-SPAN programs and CBS's 'Face the Nation'?

C-SPAN May 2026 GuestsFmr. Rep. Tim Murphy (05/07), John Bolton (05/07), political strategists (05/11) [1][2][3][4]
Face the Nation May 3, 2026 GuestsKevin Hassett, Sen. Raphael Warnock, Rep. Jason Crow, Neel Kashkari, Mike Wirth [5][6]
Future Schedule AvailabilityComprehensive May 2026 guest lists beyond early May not found; schedules update dynamically [7][8]
C-SPAN broadcast schedules, including guest information, are accessible online. Traders can find these schedules, which feature guest information, on C-SPAN.org/schedule/ [1]. For May 2026, C-SPAN's schedules highlighted guests such as Fmr. Rep. Tim Murphy and John Bolton on May 7, and political strategists on May 11 [1][2][3][4]. Other public figures like Gov. Gretchen Whitmer, Gov. Ron DeSantis, Fmr. Sec. Mike Pompeo, and NYC Mayor Zohran Mamdani were also noted in C-SPAN's May 2026 schedules [1][9].
'Face the Nation' guest lists are typically posted days before broadcast. For CBS's 'Face the Nation', guest lists for upcoming episodes are generally posted on cbsnews.com on Thursday or Friday for the Sunday broadcast [5][10][11][12]. The May 3, 2026 episode of 'Face the Nation' included guests such as Kevin Hassett (WH NEC), Sen. Raphael Warnock (D-GA), Rep. Jason Crow (D-CO), Neel Kashkari (Minneapolis Fed), and Mike Wirth (Chevron CEO) [5][6].
Comprehensive guest lists beyond early May 2026 are generally unavailable. Beyond the first week of May 2026, comprehensive guest lists for either C-SPAN or 'Face the Nation' were not found [7][8]. This is typical, as broadcast schedules, particularly regarding specific guests, are updated dynamically and closer to their scheduled air dates [7][8].
Sources (12)
  1. 1C-SPAN TV Schedule | C-SPAN.orgc-span.org
  2. 2678745c-span.org
  3. 3C-SPAN TV Schedule | C-SPAN.orgc-span.org
  4. 405/11/2026 | Video | C-SPAN.orgc-span.org
  5. 5"Face the Nation with Margaret Brennan" guests for May 3, 2026 - CBS Newscbsnews.com
  6. 6Full transcript of "Face the Nation with Margaret Brennan," May 3, 2026 - CBS Newscbsnews.com
  7. 7C-SPAN TV Schedule | C-SPAN.orgc-span.org
  8. 8Face the Nation Season 2026 Episodescbs.com
  9. 9C-SPAN TV Schedule | C-SPAN.orgc-span.org
  10. 10"Face the Nation with Margaret Brennan" guests for March 29, 2026 - CBS Newscbsnews.com
  11. 11"Face the Nation with Margaret Brennan" guests for April 5, 2026 - CBS Newscbsnews.com
  12. 12"Face the Nation with Margaret Brennan" guests for April 12, 2026 - AOLaol.com

8. Beyond major speeches, what routine official duties for Vice President Kamala Harris during May 2026 would meet the market's 'public appearance' criteria?

Kamala Harris's Status in May 2026Likely not Vice President [1]
Public Appearance DefinitionRequires photos/videos in credible reports or live broadcasts [2]
VP Public Schedule for May 2026 (Kamala Harris)None located as of 2026-05-08 [3]
Kamala Harris is unlikely to be Vice President in May 2026. Information indicates she would not hold the office of Vice President during that month, as she is referred to as "Former VP" for an event scheduled on May 7, 2026, in Las Vegas [1]. Consequently, the available information is insufficient to describe her routine official duties for May 2026, given that she would no longer be in office [1].
Public appearance criteria specify photographic or video evidence. Prediction markets define a "public appearance" as an event that requires photos or videos to be featured in credible reports or live broadcasts [2]. While in office, typical public duties for a Vice President have historically encompassed economic tours featuring conversations and remarks, visits to vaccination sites with accompanying roundtables, and announcements related to small businesses [3][4][5]. However, as of May 8, 2026, no public schedule for Vice President Kamala Harris for May 2026 was identified [3].
Sources (5)
  1. 1Former VP Kamala Harris to visit Las Vegas for NV Dems conversationfox5vegas.com
  2. 2Biden seen in public before June? Predictions & Odds 2026 | Polymarketpolymarket.com
  3. 3Advisory: Vice President Kamala Harris to Travel to Milwaukee, WI | The American Presidency Projectpresidency.ucsb.edu
  4. 4List of vice presidential trips made by Kamala Harrisen.wikipedia.org
  5. 5Advisory: Vice President Kamala Harris to Travel to Las Vegas, NVpresidency.ucsb.edu

9. What recurring annual events by the Clinton Foundation or the George W. Bush Presidential Center could necessitate an appearance in May 2026?

Bush Center Scholars ModuleMay 14, 2026 [1]
Bush-Cheney Alumni Reunion PotentialPossible recurrence in May 2026 [2][3]
Clinton Foundation May EventsNo fixed annual May event confirmed [4]
The George W. Bush Presidential Center has confirmed and potential May 2026 events. The Presidential Leadership Scholars Module Five is scheduled for May 14, 2026 [1]. There is also a possibility of a Bush-Cheney Alumni Reunion recurring in May 2026, as previous reunions were held on May 20, 2023, and May 20, 2016 [2][3]. Another such reunion occurred on September 7, 2019 [5].
Conversely, the Clinton Foundation lacks a confirmed fixed annual May event. While a Clinton Foundation Virtual Benefit took place on May 27, 2021 [6], and a 2018 Gala was held around mid-May [4], these individual instances do not establish an annual May event [4]. The Clinton Global Initiative (CGI) Annual Meeting consistently occurs in September, with the 2026 meeting scheduled for September 22-23 [7][8][9].
Sources (9)
  1. 1Presidential Leadership Scholars Programpresidentialleadershipscholars.org
  2. 2Bush-Cheney Alumni Events | George W. Bush Presidential Centerbushcenter.org
  3. 3Our Expertsbushcenter.org
  4. 4Clinton Foundation 2018 Galaclinton-foundation.org
  5. 5Bush-Cheney Alumni Reunion — Brigade Eventsbrigadeevents.com
  6. 6Clinton Foundation — Virtual Benefit 2021theclintonfoundation.org
  7. 7Clinton Global Initiative 2026 Annual Meetingclintonfoundation.org
  8. 8Clinton Global Initiative Returns to New York City September 22-23 – Clinton Foundationclintonfoundation.org
  9. 9Clinton Global Initiative 2025 Annual Meeting – Clinton Foundationclintonfoundation.org

10. What Could Change the Odds

Key Catalysts

In early May, UK Prime Minister Keir Starmer delivered remarks at the No10 Tackling Antisemitism Forum on May 5, 2026 [1][2]. Concurrently, US Secretary Marco Rubio gave a keynote at the Chiefs of Mission Conference on May 5, 2026, in Doral, FL [3]. Later, US President Donald Trump hosts Brazilian President Lula at the White House on May 7, 2026, for talks on economy and security [4][5][6].
A potential Beijing summit between President Trump and Xi Jinping is scheduled for May 14-15, 2026, which could boost prediction market odds [7]. Secretary Rubio is also expected to attend the Quad Foreign Ministers’ meeting in India from May 24-26, 2026 [8]. Further ahead, the 2026 US midterms include primaries from March to September, with Election Day on November 3 [9].

Key Dates & Catalysts

  • Expiration: June 08, 2026
  • Closes: June 01, 2026
Sources (9)
  1. 1Prime Minister’s remarks at No10 Tackling Antisemitism Forum: 5 May 2026 - GOV.UKgov.uk
  2. 2All of society must tackle 'crisis' of antisemitism, Keir Starmer says - BBC Newsbbc.co.uk
  3. 3Public Schedule – May 5, 2026 - United States Department of Statestate.gov
  4. 4Brazilian President Lula and Trump to meet at the White Housebbc.com
  5. 5Lula to discuss fighting organized crime, tariffs with Trumpspectrumlocalnews.com
  6. 6President Donald Trump's Schedule for Thursday, May 7, 2026 | CDNconservativedailynews.com
  7. 7Trump to visit Beijing for summit with Xi on May 14-15cryptobriefing.com
  8. 8Rubio to visit India for bilateral talks; Quad Foreign Ministers’ meeting May-end - The Hinduthehindu.com
  9. 9The 2026 Midterms: Key Dates and Events • Bipartisan Policy Centerbipartisanpolicy.org

12. Historical Resolutions

Historical Resolutions: 5 markets in this series

Outcomes: 5 resolved YES, 0 resolved NO

Recent resolutions:

  • KXPERSONPUBLIC-26JUN01-KHAR: YES (May 08, 2026)
  • KXPERSONPUBLIC-26JUN01-BCLI: YES (May 04, 2026)
  • KXPERSONPUBLIC-26MAY01-JBID: YES (Apr 05, 2026)
  • KXPERSONPUBLIC-26MAY01-BOBA: YES (Apr 19, 2026)
  • KXPERSONPUBLIC-26MAY01-BCLI: YES (Apr 02, 2026)