Will the Fed increase interest rates by 25 bps after the September 2026 meeting?61%7.0Will ANOTHER millennium prize problem be solved in 2026?66%39.7Will the price of Bitcoin be above $76,000 on September 11?83%7.7Will WTI Crude Oil (WTI) hit (HIGH) $115 in September?18%9.1US announces end of Iranian blockade by December 31, 2026?64%6.3Will Elon Musk post 140-159 tweets from September 4 to September 11, 2026?0%19.2Will WTI Crude Oil (WTI) hit (HIGH) $105 in September?54%16.4Will Flávio Bolsonaro win the 2026 Brazilian presidential election?53%6.8Will Elon Musk post 160-179 tweets from September 4 to September 11, 2026?82%3.0Will Elon Musk post 180-199 tweets from September 4 to September 11, 2026?19%7.0Bab el-Mandeb Strait effectively closed by September 30?13%3.9Will there be no change in Fed interest rates after the September 2026 meeting?39%7.0Will Luiz Inácio Lula da Silva win the 2026 Brazilian presidential election?45%7.0US announces end of Iranian blockade by September 30, 2026?20%6.0S&P 500 (SPX) Up or Down on September 11?77%13.0Will Bitcoin reach $82,500 in September?40%13.0
ManifoldMacro / FedUpdated 6m ago

Will the world population be 7 billion or less at any point before 2035?

Market probability
53.4%
+3.4 percentage points
over 24 hours50.0%53.4%
3033 days until the event deadline
Deadline: December 31, 2034 at 6:59 PM ET

A repricing with partial backing — read the new probability with some caution.

The pricing has partial support: moderate trading volume.

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: moderate trading volume.

Consensus stability

Has the market settled at the new probability?

Forming

Movement has slowed (3.4 points over six hours) but the market has not fully settled.

Contract clarity

Will the rules resolve without ambiguity?

Medium

Moderate resolution risk, driven mainly by no resolution basis.

Recent trade activity$125 traded

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

Why the odds moved

The probability rose 3.4 percentage points over the last 24 hours (50.0% 53.4%).

No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.

What could move this market next?

  • The market's deadline arrivesDecember 31, 2034 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 Sep 11, 6:29 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 ±28 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
0Low
Where the price path tends to go next613 observed
  • Illiquid / quiet99%

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

DurabilityLow· half-life <1h
PredictabilityElevated irreducibility

Secondary read: leaning toward One big trader.

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.

Market data

24h volume

Ṁ125

Liquidity

Ṁ100

Total volume

Ṁ125

Category
Macro / Fed
Venue
Manifold
Open interest
Current probability
53.4%
7-day range
24.6% – 53.4%
Resolves
Dec 31, 2034
Change (pts)1H0.06H+3.424H+3.47D+3.4