SimpleFunctions
Winner-take-all answer·6 source contracts·Kalshi 6·refreshed just now·Closes Mar 1, 2027 · 159d

Will the S&P 500 Index be above $8,000 before Sep 1, 2026

Leader sits at 61% across 6 bound outcomes, runner-up at 51%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

61%

Before Mar 1, 2027

runner-up 51¢leader 61¢

Outcomes

6

winner-take-all

Runner-up

51¢

Before Feb 1, 2027

Spread

10pp

contested

24h volume

$269

thin orderbook

Closes

Mar 1, 2027

159 days

Venue

Kalshi

6 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayBefore Mar 1, 2027: 61% (21 days, 18 points)Before Mar 1, 2027: 61% on 2026-09-19Before Feb 1, 2027: 49% (21 days, 20 points)Before Feb 1, 2027: 49% on 2026-09-19Before Jan 1, 2027: 47% (21 days, 21 points)Before Jan 1, 2027: 47% on 2026-09-19
Before Mar 1, 202761¢Before Feb 1, 202749¢Before Jan 1, 202747¢
Top 3 candidates by current price · 21d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

Markets are pricing a 70% chance that the S&P 500 will close above $8,000 by February 1, 2027, but only a 31% chance it reaches that level within the next two weeks by September 1, 2026. This gap reflects market expectations about the timeline for index growth through the remainder of 2026. The probability is primarily driven by the index's current level relative to the $8,000 threshold and implied expectations for equity performance over the next six months. Near-term economic data, corporate earnings announcements, and Federal Reserve communications will influence whether the index gains the required points in the compressed September timeframe. The most significant immediate catalyst is the early September economic calendar, including employment reports and Fed policy signals, which historically move index levels sharply and would begin resolving the near-term uncertainty.

  • Current S&P 500 level is substantially below $8,000, requiring roughly 8-12% gains to clear the threshold depending on the exact entry point
  • Kalshi contracts show declining probabilities as target dates move closer (31% by Sep 1 vs 70% by Feb 1), indicating market consensus the move is more likely on longer timescales
  • August-September typically includes volatile trading around employment data and Fed communications, both of which directly impact equity valuations
  • The 24-hour trading volume on near-term contracts ($0 reported) versus October contracts ($84) suggests limited recent conviction in imminent near-term moves
  • Historical S&P 500 volatility and typical quarterly price movement ranges will determine feasibility of an 8-12% move within 2-6 month windows

What moved the line

  • Sep 17Before Feb 1, 202720pp5030¢ · Kalshi
  • Sep 18Before Feb 1, 202719pp3049¢ · Kalshi
  • Sep 19Before Nov 1, 202611pp3019¢ · Kalshi
  • Sep 19Before Oct 1, 20267pp29¢ · Kalshi
  • Sep 17Before Mar 1, 20276pp6357¢ · Kalshi

Recently closed in markets

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

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How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

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