ManifoldMacro / FedUpdated 3m ago

Will the Strategic Petroleum Reserve be 500M barrels of oil or more at the end of 2027?

As of Oct 2, 2026, 11:58 PM ET, Manifold priced this market at 6.0% (down from 11.0% 24 hours earlier). It had Ṁ111.4 traded in the past 24 hours and Ṁ100 of order-book liquidity. probcast.co rates the support behind this price as moderate.

Market probability
6.0%
−5 percentage points
over 24 hours11.0% → 6.0%
454 days until the event deadline
Deadline: December 31, 2027 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?

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$135.8 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 there are 600M barrels of oil or more according to ycharts or other similar sources https://ycharts.com/indicators/us_ending_stocks_of_crude_oil_in_the_strategic_petroleum_reserve [image]

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 there are 600M barrels of oil or more according to ycharts or other similar sources https://ycharts.com/indicators/us_ending_stocks_of_crude_oil_in_the_strategic_petroleum_reserve [image]

Why the odds moved

The probability fell 5.0 percentage points over the last 24 hours (11.0% → 6.0%).

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, 2027 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 3, 12:01 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 ±21 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
12Low
Where the price path tends to go next1152 observed
  • Illiquid / quiet99%

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

DurabilityHigh· half-life ~11h
PredictabilityStable

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

Ṁ111.4

Liquidity

Ṁ100

Total volume

Ṁ316.6

Category
Macro / Fed
Venue
Manifold
Open interest
—
Current probability
6.0%
7-day range
6.0% – 11.0%
Resolves
Dec 31, 2027
Change (pts)1H0.06H0.024H-5.07D-5.0

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