ManifoldPlay moneyPoliticsDevelopingUpdated 10m ago

Will Annie Andrews perform better than Jaime Harrison did in 2020, in the 2026 US Senate election in South Carolina?

As of Oct 21, 2026, 12:16 AM ET, Manifold priced this market at 84.3% (up from 83.1% 24 hours earlier). It had 100 mana traded in the past 24 hours and 1K mana of pool liquidity. probcast.co rates the support behind this price as moderate.

Market probability
84.3%
+1.1 percentage points
over 24 hours83.1% → 84.3%

Play-money market (mana, not dollars) — thin market where small orders can move the price — though most recent trading came from one account.

Price historyManifold

Source: ProbCast snapshots (Manifold)

How credible was the move?

Methodology →

Move validity

Moderate

Consensus stability

Stable

Contract clarity

High

Can you trust this price?

Two different questions: how hard the price is to move, and whose trading set it.

Market capacity

How hard is it to move this price?

Thin

Pool liquidity

1K mana

Bid-ask spread

n/a

automated market maker

24h volume

100 mana

Total volume

942.3 mana

Play money: depth is in mana, so it says nothing about real-money conviction.

Who's trading

Whose opinion is this price?

One account dominates
80%of the traded money came from the single largest account

Accounts

6

Trades

9

over 59 days

Largest order

750 mana

942.3 mana traded across these 9 trades (last 59 days).

One account did most of the recent trading — the price reflects that account's view more than a crowd's.

Recent trade activity$942.3 traded

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

What this market actually measures

Resolves yes if Annie Andrews does better than lose by 10.27%, as Jaime Harrison did in 2020. so basically, resolves yes if Annie Andrews wins, or her losing margin is 10.26% or smaller.

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

Resolves yes if Annie Andrews does better than lose by 10.27%, as Jaime Harrison did in 2020. so basically, resolves yes if Annie Andrews wins, or her losing margin is 10.26% or smaller. 2026 United States Senate election in South Carolina - Wikipedia [link preview]

What could move this market next?

  • The market's deadline arrivesNovember 3, 2026 at 6:59 PM ET

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

Derived from the contract's own mechanics as of Oct 21, 12:26 AM 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 ±17 pts.

Thin marketLegacy movement classifier: watch

What's happening

low classifier confidence
Thin market

Thin book and/or wide spread. Small orders can move this price disproportionately, so any single print is noisy and easily overread.

  • Thin book and/or wide spread.

Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
18Low
Where the price path tends to go next606 observed
  • Illiquid / quiet98%

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

DurabilityHigh· half-life ~2d
PredictabilityStable

Secondary read: leaning toward Stale price.

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.

Change (pts)1H0.06H0.024H+1.17D+1.1

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