PolymarketCryptoDevelopingUpdated 1m ago

Will Ethereum reach $3,100 in October?

As of Oct 18, 2026, 11:29 PM ET, Polymarket priced this market at 3.4% (up from 2.9% 24 hours earlier). It had $33.4K traded in the past 24 hours, $65.7K of order-book liquidity and a bid-ask spread of 0.1 pts. probcast.co rates the support behind this price as moderate.

Market probability
3.4%
+0.5 percentage points
over 24 hours2.9% → 3.4%

Thin market where small orders can move the price, with broad trading across many accounts.

Price historyPolymarket

Source: Polymarket price history

How credible was the move?

Methodology →

Move validity

Moderate

Consensus stability

Forming

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?

ThinTight spread

Order-book liquidity

$65.7K

Bid-ask spread

0.1 pts

24h volume

$33.4K

Total volume

$90.3K

It would take roughly $1.4K of buying to move the price up by ~5 pts.

Little money on the book — a modest order can move this price, so treat swings with care.

Who's trading

Whose opinion is this price?

Broad participation
25%of the traded money came from the single largest account

Accounts

73

Trades

200

over 14 days

Largest order

$396.4

$4K traded across these 200 trades (last 14 days).

Many independent accounts traded — the price reflects a crowd, not one trader.

Recent trade activity$4K traded

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

What this market actually measures

This market will immediately resolve to "Yes" if any Binance 1 minute candle for ETH/USDT during the month specified in the title (from 00:00 AM ET on the first day to 11:59 PM ET on the last), has a final High price equal to or greater than the price specified in the title. Otherwise, this market will resolve to "No." The resolution source for this market is Binance, specifically the ETH/USDT High prices available a…

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 immediately resolve to "Yes" if any Binance 1 minute candle for ETH/USDT during the month specified in the title (from 00:00 AM ET on the first day to 11:59 PM ET on the last), has a final High price equal to or greater than the price specified in the title. Otherwise, this market will resolve to "No." The resolution source for this market is Binance, specifically the ETH/USDT High prices available at https://www.binance.com/en/trade/ETH_USDT, with the chart settings on "1m" for one-minute candles selected on the top bar. Please note that the outcome of this market depends solely on the price data from the Binance ETH/USDT trading pair. Prices from other exchanges, different trading pairs, or spot markets will not be considered for the resolution of this market.

Resolution source: binance.com

What could move this market next?

  • The market's deadline arrivesNovember 1, 2026 at 12:00 AM ET

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

  • Confirmation at the resolution source (binance.com)

    The rules name this source as the basis for settlement.

Derived from the contract's own mechanics as of Oct 18, 11:30 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 ±16 pts.

Thin marketLegacy movement classifier: watch

What's happening

medium 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
38Low
Where the price path tends to go next1687 observed
  • Choppy / mean-reverting97%
  • Stable consensus1%

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

DurabilityHigh· half-life ~10h
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.

Change (pts)1H+0.66H+0.524H+0.57D+0.5

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