ProbCastOdds Reliability
TodayTop MoversMarketsWhat ChangedAccuracyWatchlist
⌘K
Checking…
Hot Markets
US announces end of Iranian blockade by August 7, 2026?18%▼19.8US announces end of Iranian blockade by August 15, 2026?56%▼10.5Will Vinicius Junior join Arsenal?0%▼21.2US announces end of Iranian blockade by August 31, 2026?68%▼10.0Bitcoin Up or Down on August 7?37%▼6.0US x Iran diplomatic meeting by August 15, 2026?11%▼17.0Israel x Iran ceasefire continues through August 9?96%▲4.0Strait of Hormuz traffic returns to normal by September 30?25%▼5.0Will Vinicius Junior stay at Real Madrid?100%▲21.1Will Hamas agree to disarm by December 31?48%▼6.5Will Elon Musk post 160-179 tweets from July 31 to August 7, 2026?4%▼21.3Will Germany send warships through the Strait of Hormuz by August 31, 2026?3%▼4.1Will Opus 4.6 pay back its loan?61%▲49.2Will Elon Musk post 200-219 tweets from July 31 to August 7, 2026?28%▼11.5Will Elon Musk post 180-199 tweets from July 31 to August 7, 2026?64%▲11.0Strait of Hormuz traffic returns to normal by August 31?14%▲0.0
US announces end of Iranian blockade by August 7, 2026?18%▼19.8US announces end of Iranian blockade by August 15, 2026?56%▼10.5Will Vinicius Junior join Arsenal?0%▼21.2US announces end of Iranian blockade by August 31, 2026?68%▼10.0Bitcoin Up or Down on August 7?37%▼6.0US x Iran diplomatic meeting by August 15, 2026?11%▼17.0Israel x Iran ceasefire continues through August 9?96%▲4.0Strait of Hormuz traffic returns to normal by September 30?25%▼5.0Will Vinicius Junior stay at Real Madrid?100%▲21.1Will Hamas agree to disarm by December 31?48%▼6.5Will Elon Musk post 160-179 tweets from July 31 to August 7, 2026?4%▼21.3Will Germany send warships through the Strait of Hormuz by August 31, 2026?3%▼4.1Will Opus 4.6 pay back its loan?61%▲49.2Will Elon Musk post 200-219 tweets from July 31 to August 7, 2026?28%▼11.5Will Elon Musk post 180-199 tweets from July 31 to August 7, 2026?64%▲11.0Strait of Hormuz traffic returns to normal by August 31?14%▲0.0
Home/Politics/Will Zohran Mamdani win the 2028 Democratic presidential nomination?
PolymarketPoliticsUpdated 10m ago

Market prices a 0.4% chance of “Will Zohran Mamdani win the 2028 Democratic presidential nomination” — little changed over 24 hours

Original Polymarket title: “Will Zohran Mamdani win the 2028 Democratic presidential nomination?”

Market probability
0.4%
Little changed over 24 hours
823 days until the event deadline
Deadline: November 6, 2028 at 7:00 PM ET

No meaningful repricing — the probability is steady.

The pricing has partial support: healthy trading volume and market depth, a tight spread.

What this market actually measures

This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Democratic Party for U.S. president.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Democratic Party for U.S. president. Otherwise, this market will resolve to “No”. The resolution source for this market will be a consensus of official Democratic Party sources. Any replacement of the democratic nominee before election day will not change the resolution of the market.

How credible was the move?

Three separate questions — a move can be genuine while the latest price is still settling. Methodology →

Move validity

Is the move backed by real trading and depth?

Moderate

The pricing has partial support: healthy trading volume and market depth, a tight spread.

Consensus stability

Has the market settled at the new probability?

Stable

The probability has held near its current level over the past several hours.

Contract clarity

Will the rules resolve without ambiguity?

High

The resolution rules are relatively specific, with a named source and a defined deadline.

Recent trade activity$153.9 traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What could move this market next?

  • The market's deadline arrivesNovember 6, 2028 at 7:00 PM ET

    The contract must resolve based on what has happened by this date.

Derived from the contract's own mechanics as of Aug 6, 6:55 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: low · expected error ±10 pts.

Quote-drivenLegacy movement classifier: watch

What's happening

medium classifier confidence
Quote-driven

A tight, deep, quote-driven book with little executed flow. The price is stable but reflects resting quotes more than active trading.

Market data

24h volume

$35.2K

Liquidity

$2.6M

Total volume

Change (pts)1H0.06H-0.124H-0.17D-0.1
Score breakdown — Movement, Liquidity & Trust

ProbCast Trust Score

71/ 100 · Medium

Reasonably supported. Generally reliable, with minor caveats. Main caveat: thin liquidity.

ProbCast measures how reliable this market probability appears — not what to trade.

Movement2

Magnitude of recent probability change

Liquidity88
ProbCast — Odds Reliability

Know whether prediction-market odds can be trusted. ProbCast analyzes liquidity, market activity, spreads, and price movement to help distinguish meaningful repricing from thin-market noise.

Questions? Chat with us on Telegram
TodayTop MoversEventsAll MarketsWhat ChangedVenue DivergencePolymarket vs KalshiMethodologyCoverageMeta's ArenaWatchlistTerms of UsePrivacyCrypto
  • Tight spread on a liquid, calm market

The latest price is a dependable read of consensus.

More details — reliability score, dynamics, durability
Reliability score
68High
Where the price path tends to go next402 observed
  • Choppy / mean-reverting90%
  • Stable consensus3%
  • Illiquid / quiet2%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life ~4w
PredictabilityStable

Secondary read: leaning toward Trading normally.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

$38.6M

Category
Politics
Venue
Polymarket
Open interest
—
Spread
0.1 pts
Best bid
0.3%
Best ask
0.4%
7-day range
0.4% – 0.4%
Resolves
Nov 6, 2028

Depth of the order book and volume

Trust breakdown

71/100 · Medium

Reasonably supported. Generally reliable, with minor caveats. Main caveat: thin liquidity.

  • Liquidity anchor+62
  • Price steadiness+29
  • Thin liquidity-20
Trust score71 / 100
How these scores work →
View on Polymarket

ProbCast provides prediction-market data and analytics for informational purposes only. Not financial, trading, betting, investment, legal, or tax advice. Market-implied probabilities can be wrong, illiquid, manipulated, or affected by ambiguous resolution rules.

Macro / Fed
Politics
AI / Tech
Geopolitics

ProbCast provides prediction-market data and analytics for informational purposes only. Not financial, trading, betting, investment, legal, or tax advice. ProbCast is not a betting platform, exchange, or broker and does not provide buy or sell recommendations. Intended for users 18+; availability of prediction-market activity varies by jurisdiction. Venue data is aggregated from third parties and may be delayed or inaccurate. See our Terms of Use.

Market-implied probabilities can be wrong, illiquid, manipulated, or affected by ambiguous resolution rules.

© 2026 ProbCast · [email protected]