Short Answer

Katie Zacharia is not expected to deliver another White House briefing before November 3, 2026, given her sole briefing on October 13, 2026, and confirmed transition out of the press secretary role by October 16, 2026; the market prices this outcome at 2.0%.

1. Market Behavior & Drivers

The market's decisive move was the 88.0 percentage point price collapse on October 16, 2026. This was driven by reports that Katie Zacharia was leaving her role as White House press secretary after only five days. Her departure effectively reduced the probability of her delivering another briefing to near zero, causing the contract price to fall from 96.0% to 8.0%.
The preceding volatility was tied to the start and anticipated end of her short tenure. The probability of a second briefing first gained traction on October 14, spiking 35.0 percentage points after Zacharia held her inaugural press briefing the day before. This event established that she was actively in the role. A sharp price reversal followed, with reports of her imminent ousting leading to the final price collapse on October 16.
  • Katie Zacharia was confirmed transitioning out of the press secretary role by October 16, 2026.
  • Zacharia delivered her only White House press briefing October 13, 2026, with no further briefings planned.
  • Prediction markets indicate a low probability of Zacharia delivering a briefing before November 3.

Who Wins and Why

Outcome Market Model Why
Before Oct 27, 2026 2.0% 1.0% Katie Zacharia was confirmed to be transitioning from her role by October 16, 2026.
Before Nov 3, 2026 2.0% 1.0% Katie Zacharia was confirmed to be transitioning from her role by October 16, 2026.

Current Context

Katie Zacharia's press secretary tenure ended after five days. She delivered her first and only White House press briefing on Tuesday, October 13, 2026, which the official White House page identifies as her inaugural briefing [1][2][3]. By Friday, October 16, 2026, Zacharia had left or was being removed from the press-secretary role [4][5][6][7]. President Trump stated he advised her to reconsider the job, and contemporaneous reporting indicated she was expected to transition to another administration role [4][8].
Zacharia is unlikely to brief again before November 3, 2026. The White House had not announced a replacement, and administration discussions centered on her departure rather than another podium appearance, making a second briefing before November 3 improbable [4][5][6][8]. Precedent shows other senior officials, including Vice President JD Vance and various Cabinet members, conduct briefings during press-secretary vacancies [9][10][11]. The October 13 Zacharia event is recorded in the October press-pool schedule [9]. While a specific Kalshi market exists for the timing of Zacharia’s next briefing, and a separate market showed expectations for additional October briefings [12][13].
The best forecast is no further Zacharia briefing by November 3, 2026. This period's modal outcome is no briefing. A secondary, low-probability scenario involves an unexpected appearance during the transition, most plausibly before the October 27–November 3 midterm push; however, no such date has been announced [1][2][3][4][5][6][7][8][12].
Sources (13)
  1. 1Press Secretary Katie Zacharia Briefs Members of the Media...whitehouse.gov
  2. 2Katie Zacharia Delivers Powerful Inaugural Briefing as the 37th White House Press Secretary – The White Housewhitehouse.gov
  3. 3Trump’s new White House press secretary Katie Zacharia keeps first briefing shortnbcnews.com
  4. 4Trump opens door to Katie Zacharia leaving as White House press secretary after first week on the job - CBS Newscbsnews.com
  5. 5Katie Zacharia is out as White House press secretary after just 5 days on the jobnbcnews.com
  6. 6The Latest: Trump's new press secretary Katie Zacharia is leaving post after a rocky start | AP Newsapnews.com
  7. 7Katie Zacharia, Trump's New Press Secretary, Is Ousted After 5...nytimes.com
  8. 8Trump signals his embattled press secretary Katie Zacharia is on the way out, only a week after he named her to the jobapnews.com
  9. 9Daily Schedule — White House Press Poolbnonews.com
  10. 10Vance returns to White House briefing room amid press secretary vacancy | United Statesus.headtopics.com
  11. 11Vance returns to White House briefing room amid press secretary vacancyscrippsnews.com
  12. 12When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com
  13. 13Number of White House Press Briefings this month? - Kalshikalshi.com

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.

Outcome: Before Nov 3, 2026

📉 October 16, 2026: 88.0pp drop

Price decreased from 96.0% to 8.0%

What happened: The primary driver of the 88.0 percentage point drop was the official announcement on October 16, 2026, that Katie Zacharia was out or "transitioning out" of the White House press secretary role [1][2][3]. As she had departed the position after only five days, the probability of her delivering another White House briefing before November 3, 2026, became extremely low [4][5][6]. This news, widely reported by major news outlets, directly negated the premise of the prediction market's outcome [1][2][3][4][5][6]. Given the provided information, social media activity was not the primary driver, but likely served as a contributing accelerant for the news already reported by traditional media.

📈 October 14, 2026: 35.0pp spike

Price increased from 1.0% to 36.0%

What happened: The primary driver for the 35.0 percentage point spike in the "Before Nov 3, 2026" outcome was Katie Zacharia holding her inaugural White House press briefing on Tuesday, October 13, 2026 [7][8][9]. This official event, occurring the day before the market movement, likely prompted market participants to expect subsequent briefings from her, increasing the perceived probability of another briefing happening soon [7][8][9]. Based on the provided information, there is no evidence of social media activity being a primary driver or a contributing accelerant for this market movement.

Outcome: Before Oct 20, 2026

📉 October 15, 2026: 63.0pp drop

Price decreased from 98.0% to 35.0%

What happened: The 63.0 percentage point drop on October 15, 2026, was primarily driven by market anticipation of Katie Zacharia's imminent departure as White House press secretary [10]. This movement preceded official reports on October 16, 2026, by NPR, Axios, and AP announcing her ousting or transition out of the role after only five days [2]. The market correctly priced in the unlikelihood of her delivering another briefing given her departure [11]. No specific social media activity was identified as a direct driver of this price movement.
Sources (11)
  1. 1Katie Zacharia out as press secretary: NPRnpr.org
  2. 2Katie Zacharia is out as press secretary, White House says - NPRnpr.org
  3. 3Katie Zacharia ousted as White House press secretary - Axiosaxios.com
  4. 4Katie Zacharia is out as White House press secretary after just 5 days on the jobnbcnews.com
  5. 5Katie Zacharia quits as White House press secretary five days...bbc.com
  6. 6Katie Zacharia, Trump's New Press Secretary, Is Ousted After 5...nytimes.com
  7. 7Press Secretary Katie Zacharia Briefs Members of the Media...whitehouse.gov
  8. 8Katie Zacharia Delivers Powerful Inaugural Briefing as the 37th White House Press Secretary – The White Housewhitehouse.gov
  9. 9Press Secretary Katie Zacharia holds first press briefing in the James S. Brady Press Briefing Room, October 13, 2026 – The White Housewhitehouse.gov
  10. 10Embattled White House press secretary Katie Zacharia is leaving the job after less than a weekapnews.com
  11. 11When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com

4. Market Data

Contract Snapshot

This market resolves YES if Katie Zacharia delivers her next White House briefing before the specific date indicated in each contract: October 20, 2026, October 27, 2026, or November 3, 2026. Conversely, a NO resolution triggers if she does not deliver a briefing before the respective date. All resolutions and payouts for this market are scheduled to occur by November 2, 2026.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Before Oct 27, 2026 $0.02 $0.99 2%
Before Nov 3, 2026 $0.02 $0.99 2%

Market Discussion

Katie Zacharia is reportedly leaving her post as White House Press Secretary as of October 16, 2026, making it unlikely she will deliver another briefing [1]. Prediction markets reflect this, with odds under 1% for a briefing by October 20 and around 1-3% for later dates [2]. Her only confirmed White House briefing occurred on Tuesday, October 13, 2026, lasting less than 15 minutes and drawing mixed reactions [3].

Sources (3)
  1. 1Press secretary Katie Zacharia is leaving the post | AP Newsapnews.com
  2. 2When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com
  3. 3Press Secretary Katie Zacharia Briefs Members of...whitehouse.gov

5. Trust Index

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

Octagon Trust Index Kalshi 68 Caution

Primary risk· Trade quality

How it adds up
Integrity80% of score84Good
Trade quality20% of score4Avoid
Trust score68Caution

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
84Good

Outcome is hard to influence

No suspicious activity on any screen

Screened clean
Large tradesNo single trade dominates the tape. Clear
Thin-volume movesMoves carried volume Clear
Size patternsNo distribution read 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
4Very thin

Hard to fill near the screen price

2 contracts · worst first · 1 settled or closed — not scored

Before Oct 27, 20264
Very thin · low confidence

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

Before Nov 3, 20265
Very thin · low confidence

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

Move quality
70Stable

No significant moves

2 contracts · worst first · 1 settled or closed — not scored

Before Oct 27, 2026—
No significant move (6h)

Price was stable over the last 6 hours.

Before Nov 3, 2026—
No significant move (6h)

Price was stable over the last 6 hours.

Rule clarity
100Clear

Counts toward Resolution quality, not here

2 contracts · worst first · 1 settled or closed — not scored

Before Oct 27, 2026100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Before Nov 3, 2026100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Trade quality
4Avoid

Thin market — entering or exiting at fair value will be difficult.

Outcome quality 4 (notional-weighted across 2 scored legs)

1 settled or closed — not scored

Before Oct 27, 20264Market scoreLiquidity4Move quality–Rule clarity100
Why 4
Liquidity
4 · Very thin · low confidence

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

Move quality
No significant move (6h)

Price was stable over the last 6 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Before Nov 3, 20265Market scoreLiquidity5Move quality–Rule clarity100
Why 5
Liquidity
5 · Very thin · low confidence

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

Move quality
No significant move (6h)

Price was stable over the last 6 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear

underwriting_v1.4 · computed Oct 22, 2026

6. What official statements and reporting between Oct. 13-17, 2026, confirmed the finality of Katie Zacharia's departure from the press secretary role?

First White House press briefingOctober 13, 2026 [1][2][3][4]
Market probability of another briefing (as of Oct 16, 2026)Approximately 2% or less [5][6][7][8]
Prediction market activity timeframeOctober 13-17, 2026 [9][10][11]
Katie Zacharia delivered her only White House press briefing on October 13, 2026. Her sole appearance as Press Secretary during this period occurred on October 13, 2026 [1][2][3][4]. Throughout the period of October 13 to October 17, 2026, prediction markets such as Kalshi and Polymarket began to strongly indicate the likelihood of Katie Zacharia no longer serving as the White House Press Secretary [9][10][11].
Prediction markets strongly indicated Katie Zacharia's departure from the press secretary role. By October 16, 2026, these markets priced the probability of Zacharia conducting another White House briefing before November 3, 2026, at approximately 2% or less, thereby establishing a market consensus that her departure from the role was final [5][6][7][8]. However, within the specific timeframe of October 13-17, 2026, the provided facts do not contain any official statements from governmental bodies confirming the finality of her departure.
Sources (11)
  1. 1Katie Zacharia Delivers Powerful Inaugural Briefing as the 37th...whitehouse.gov
  2. 2Press Secretary Katie Zacharia Briefs Members of the Media...whitehouse.gov
  3. 3Press Secretary Katie Zacharia holds first press briefing in the...whitehouse.gov
  4. 4FULL White House Press Briefing: October 13, 2026 - YouTubeyoutube.com
  5. 5Katie Zacharia's only White House press briefing before leaving...youtube.com
  6. 6Will Katie Zacharia deliver her next White House briefi… | Frenzy Capitalfrenzycap.com
  7. 7Will Katie Zacharia deliver her next White House briefi… | Frenzy Capitalfrenzycap.com
  8. 8When will Katie Zacharia… before Nov 3, 2026 Odds | Kalshipredictmarketcap.com
  9. 9Katie Zacharia out as Press Secretary by which date? - Polymarket Quoten | CoinRithmcoinrithm.com
  10. 10News — top prediction-market movers | pdatapdata.world
  11. 11Politics & Elections Prediction Markets — Live Odds | Frenzy Capitalfrenzycap.com

7. How does Katie Zacharia's five-day tenure compare to the tenures and departure circumstances of other Trump administration press secretaries?

Probability of Zacharia's departure before Oct 20approximately 96% (Prediction markets) [1][2][3]
Probability of Zacharia's departure by Oct 31/Dec 31, 2026100% (Prediction markets) [1][2][3]
Probability of next briefing before Nov 3, 2026 (as of Oct 16-17, 2026)1-2% (Kalshi market) [4][5][6]
Prediction markets strongly indicated Katie Zacharia's imminent departure as press secretary. Market data showed approximately a 96% probability for her leaving the position before October 20 and a 100% probability for her departure by October 31 or December 31, 2026 [1][2][3]. Additionally, as of October 16–17, 2026, the Kalshi market regarding Katie Zacharia's next James S. Brady Press Briefing assigned a very low probability of about 1–2% to a briefing occurring before November 3, 2026 [4][5][6].
Official White House sources did not confirm Katie Zacharia's press secretary details. Official White House search results did not yield reliable information concerning Katie Zacharia's official appointment, start date, departure announcement, or any five-day chronology [7].
Available evidence is insufficient to compare Zacharia's tenure with other press secretaries. Consequently, the currently available web evidence does not allow for a responsible comparison of Zacharia's claimed five-day tenure with those of other Trump administration press secretaries, as no source-backed tenure table or departure reporting for these officials was returned by the searches conducted [7][8][9].
Sources (9)
  1. 1Katie Zacharia out as Press Secretary by which date? - Polymarket Quoten | CoinRithmcoinrithm.com
  2. 2Politics & Elections Prediction Markets — Live Odds | Frenzy Capitalfrenzycap.com
  3. 3Politics — prediction-market news | pdatapdata.world
  4. 4Will Katie Zacharia deliver her next White House briefi… | Frenzy Capitalfrenzycap.com
  5. 5When will Katie Zacharia deliver her next White House b… | Frenzy Capitalfrenzycap.com
  6. 6When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com
  7. 7Press Secretary on President Trump's Pro-Worker Accomplishments – The White Housewhitehouse.gov
  8. 8The President and First Lady Welcome Trick-or-Treaters to the White   House for “Hallo-READ!”whitehouse.gov
  9. 9ICYMI: Communities Welcome New Climate Resilience Portal to Help Navigate Extreme   Weatherwhitehouse.gov

8. Which senior officials, like Vice President JD Vance, have historically filled in during press secretary vacancies in the Trump White House?

Officials who filled inJD Vance and Marco Rubio [1][2]
Vance's briefing dateSeptember 3, 2026 [1][3]
Interim arrangementRotating group of Cabinet members and senior administration officials [1]
A press secretary vacancy led to an interim briefing arrangement. During a 2026 press secretary vacancy in the Trump White House, an interim arrangement was established after Karoline Leavitt's departure [1]. This temporary setup involved a rotating group of Cabinet members and other senior administration officials assuming the responsibilities of the role [1].
Vice President JD Vance explicitly participated in interim press briefings. Vice President JD Vance and Secretary of State Marco Rubio were among the senior officials identified as taking questions from reporters during this period [1][2]. Notably, Vice President JD Vance held a White House press briefing on September 3, 2026, as part of this temporary arrangement [1][3]. These officials were documented as senior stand-ins, rather than formally designated replacement press secretaries [2].
Sources (3)
  1. 1Vance returns to White House briefing room amid press...scrippsnews.com
  2. 2Katie Zacharia quits as White House press secretary five...bbc.com
  3. 3Vice President JD Vance Briefs Members of the Media, Sep...whitehouse.gov

9. What does the official White House schedule for October and November 2026 indicate about planned press briefings?

First and only press briefingOctober 13, 2026 [1][2][3][4]
Total official briefings (as of Oct 17, 2026)1 [1][2][3][4]
Further briefings planned (Oct-Nov 2026)None indicated [5][6][7]
Official White House schedules indicate no further planned press briefings by Katie Zacharia. As of October 17, 2026, Katie Zacharia has delivered only one official White House press briefing, which took place on October 13, 2026 [1][2][3][4]. This inaugural briefing remains her sole appearance in the James S. Brady Press Briefing Room. Official White House schedules and daily guidance for the remainder of October and November 2026 do not indicate any additional planned press briefings by Zacharia, with recent press interactions primarily consisting of presidential gaggles [5][6][7].
Prediction markets reflect skepticism about Katie Zacharia holding another briefing soon. Platforms including Kalshi and Polymarket show considerable skepticism regarding Katie Zacharia holding another press briefing by early November 2026 [8][9][10][11][12]. Furthermore, a significant portion of market sentiment suggests the possibility of her departure from her role as White House Press Secretary [8][9][10][11][12].
Sources (12)
  1. 1Press Secretary Katie Zacharia Briefs Members of the Media, Oct. 13, 2026 – The White Housewhitehouse.gov
  2. 2Katie Zacharia Delivers Powerful Inaugural Briefing as the 37th White House Press Secretary – The White Housewhitehouse.gov
  3. 3Press Secretary Katie Zacharia holds first press briefing in the James S. Brady Press Briefing Room, October 13, 2026 – The White Housewhitehouse.gov
  4. 4FULL White House Press Briefing: October 13, 2026youtube.com
  5. 5Briefings & Statements – The White Housewhitehouse.gov
  6. 6Videos – Page 3 of 194 – The White Housewhitehouse.gov
  7. 7President Trump Gaggles with Press Upon Departure from the White House, Oct. 16, 2026 – The White Housewhitehouse.gov
  8. 8When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com
  9. 9When will Katie Zacharia deliver her next White House b… | Frenzy Capitalfrenzycap.com
  10. 10When will Katie Zacharia… before Nov 3, 2026 Odds | Kalshipredictmarketcap.com
  11. 11Politics — prediction-market news | pdatapdata.world
  12. 12Katie Zacharia out as Press Secretary by which date? - Polymarket Quoten | CoinRithmcoinrithm.com

10. Who are the leading candidates to permanently replace Katie Zacharia, and what is the typical timeline for such an appointment?

Zacharia Departure DateOctober 16, 2026 [1][2][3]
Zacharia Time in RoleAbout five days [1][2][3]
Replacement Timeline PredictionPossible by October 31, potentially November or later [4][5][6]
Several individuals are emerging as potential candidates for press secretary. The most prominent publicly reported candidates to permanently replace Katie Zacharia include Steven Cheung, the current White House communications director, and Anna Kelly, the principal deputy press secretary [7][8]. Both are noted for exhibiting strong institutional fit within the administration [7][8]. Other individuals mentioned as potential contenders include conservative commentator Scott Jennings, who was previously considered for a role, conservative author and model Elizabeth Pipko, and Laura Loomer, who has publicly voiced her interest in the position [7][8].
A timeline for a permanent replacement remains uncertain despite predictions. Katie Zacharia was reported to be transitioning out of her role on October 16, 2026, after serving for approximately five days [1][2][3]. The White House has not specified a departure timeline for her successor, and President Trump has indicated there is no rush to hire a replacement [1][2][3]. Although the previous transition to Zacharia was announced on October 9, 2026, current predictions suggest a replacement announcement by October 31 is possible [4][5][6]. However, further vetting could extend the selection process into November or beyond [4][5][6].
Sources (8)
  1. 1Katie Zacharia is out as press secretary, White House says - NPRnpr.org
  2. 2White House press secretary Katie Zacharia leaving role days...bbc.com
  3. 3White House press secretary Katie Zacharia fired after five days...aljazeera.com
  4. 4Trump Taps Katie Zacharia as Next White House Press Secretarytime.com
  5. 5White House press secretary Katie Zacharia is leaving the job...yahoo.com
  6. 6Next Press Secretary Announced By…? | Lines.comlines.com
  7. 7Who could replace Katie Zacharia as White House press secretary?theguardian.com
  8. 8Here's who is eyeing the White House press secretary role after...wionews.com

11. What Could Change the Odds

Key Catalysts

Prediction markets indicate a low probability of a James S. Brady Press Briefing by Katie Zacharia before Election Day. As of October 17, 2026, Kalshi contracts priced “Before October 20” at under 1%–1.5%, “Before October 27” at 1%–2.5%, and “Before November 3” at 1%–2% [1][2]. Zacharia’s inaugural qualifying briefing occurred Tuesday, October 13, 2026, lasting roughly 14 minutes and including questions from only three outlets [3][4][5][6]. White House press-pool calendar searches identify the October 13 briefing but do not expose a later dated Zacharia briefing through the available October schedule evidence [7][8]. This is compounded by market signals regarding job stability: a secondary market report on October 14 cited roughly 4%–5% odds of her leaving before October 20 and 17% before November 1 [9]. A separate market page records a contract specifically tied to leaving before October 20 [10].
Potential catalysts for a briefing center on Trump's campaign schedule and broader election-related prediction market activity. Trump planned travel to at least 10 states during the final four weeks before the November 3 midterms, including Michigan, North Carolina, Georgia, Texas, Iowa, Alaska, Ohio, Kansas, Montana, and Pennsylvania [11]. Before November 3, relevant Trump-politics prediction-market catalysts include possible election-related executive action, approval-rating updates, presidential actions, Truth Social posting counts, bill signings, campaign travel, endorsements, rallies, debates, and mention markets [12][13][14]. More than $20 million in volume across granular midterm-related markets is reported, with some events knowable in advance to campaigns [13].

Key Dates & Catalysts

  • Expiration: October 27, 2026
  • Closes: November 03, 2026
Sources (14)
  1. 1When will Katie Zacharia deliver her next White House briefing? Odds & Predictions 2026kalshi.com
  2. 2When will Katie Zacharia deliver her next White House briefing? — live odds on Kalshi · OddsOnAiroddsonair.live
  3. 3Katie Zacharia Delivers Powerful Inaugural Briefing as the 37th White House Press Secretary – The White Housewhitehouse.gov
  4. 4What new White House press secretary Katie Zacharia said at her 1st briefing | AP Newsapnews.com
  5. 5Press Secretary Katie Zacharia Briefs Members of the Media...whitehouse.gov
  6. 6Trump’s new White House press secretary Katie Zacharia keeps first briefing shortnbcnews.com
  7. 7Daily Schedule — White House Press Poolbnonews.com
  8. 8Daily Schedule — White House Press Poolbnonews.com
  9. 9Katie Zacharia Out as Press Secretary? Latest Kalshi Exit Oddscovers.com
  10. 10Before Oct 20, 2026 · NewsMarketsnewsmarkets.org
  11. 11Trump to travel to at least 10 states before the midterms, including traditional battlegrounds - POLITICOpolitico.com
  12. 12Trump Election Emergency Declaration 2026 Odds | Kalshipredictmarketcap.com
  13. 13Bets on midterm endorsements, rallies and debates raise insider trading concerns | CNN Politicscnn.com
  14. 14Prediction Markets | Coinbasecoinbase.com

13. Related News

-88.0pp
Last updated: October 17, 2026, 12:16 UTC

Zacharia's Abrupt Exit as Press Secretary Crushes Briefing Market Odds

Reports on Friday, October 16, 2026, that Katie Zacharia was leaving the White House press secretary role after just one briefing caused a near-total collapse in prediction markets forecasting her nex...