Appeals court en banc rehearing markets
How SoftCta readers read event contracts on whether a US court of appeals will rehear a case en banc — petition deadlines, voting thresholds, what a grant does to the panel ruling and how it interacts with Supreme Court review. · 4 min read
Updated 30 Oct 2026
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Appeals court en banc rehearing markets
Most federal appeals are decided by three-judge panels. Occasionally a losing party asks the full court to rehear the case, known as rehearing en banc. High-profile litigation over government policy often reaches this stage, and event markets may ask whether rehearing will be granted or how the full court will rule. This SoftCta guide explains the process and the wording traps.
The process
After a panel decision, a party may petition for rehearing en banc, usually within 14 days of judgment, or 45 days in civil cases involving the United States as a party. Judges on the court can also call for a vote on their own. The Federal Rules of Appellate Procedure say en banc review is not favoured and is appropriate for questions of exceptional importance or to maintain uniformity of the court's decisions. The rehearing provisions were reorganised in amendments that took effect in December 2024, so older references to Rule 35 may now point to a different rule number.
Granting rehearing requires a majority of the active judges who are not disqualified. The Ninth Circuit, because of its size, uses a limited en banc court of 11 judges rather than all active judges.
Reading the vote
Votes on whether to rehear are often not published in detail, though judges may write dissents from or concurrences in the denial. A market can therefore settle on the order itself, not on any vote count. The composition of the active bench, including vacancies and senior status, shapes the likely outcome. Our justice retirement guide covers how vacancies change courts.
What a grant does
In many circuits, granting rehearing en banc automatically vacates the panel opinion, which can revive a lower court ruling or an injunction. In others the effect depends on the order. If a market asks whether a policy will be "blocked" on a date, the en banc grant can change the answer without any new merits ruling. Read with our guide on injunctions and stays.
Interaction with the Supreme Court
A party may skip en banc and petition the Supreme Court directly, or pursue both in sequence. A pending en banc petition can delay the deadline for a certiorari petition. Emergency applications to the Supreme Court may also overtake the circuit process entirely.
Timing traps
Courts have no deadline to act on a petition. By-date markets can resolve No simply because the court has not ruled. See our guide on by-date deadlines, and check the docket named as the official filing source.
A reading habit
Note the circuit, its local rules on vacatur, the petition date and the composition of the active bench. Then compare with the market. Convert prices with the implied probability tool and verify live prices on the venue rather than relying on legal commentary alone.
Primary sources SoftCta readers open
- Federal Rules of Appellate Procedure (rehearing provisions)
- Circuit court local rules and internal operating procedures
- Court dockets via PACER and court websites
- Published en banc orders and dissents from denial
Reading the quote step by step
- Read the full title and rules, including the named settlement source and the time zone.
- Convert the Yes and No prices to implied probabilities and note the gap between them.
- Subtract fees and spread to see the effective price you would actually face.
- Write your own probability range and the evidence behind it, then compare.
- Check related and near-duplicate markets on other venues for consistency.
Closing SoftCta checklist
- Re-read the venue definition in your own words before reacting to a price.
- Convert prices with fee and spread awareness; verify live cents on the operator.
- Prefer primary settlement sources over secondary headlines and social summaries.
- Treat ChanceWire hubs, movers, and tools as orientation — not order entry.
- Confirm age, location, and product eligibility; SoftCta pages will not suggest location spoofing.
- If clarity is incomplete, watching is a complete SoftCta outcome — no pick-selling urgency required.
SoftCta habits
- Write your own probability range before checking the crowd price.
- Prefer dated primary sources over social summaries.
- Compare related markets when a single book looks extreme.
- Size curiosity with fees and depth in mind; substantial risk of loss.
FAQ
- What does en banc mean?
- It means a case is heard by the full court of appeals, or a large panel of it, rather than the usual three-judge panel. En banc review is reserved for cases of exceptional importance or to resolve conflicts in the circuit's own law.
- How is en banc rehearing granted?
- A party files a petition, or a judge calls for a vote. Rehearing requires a vote of a majority of the circuit's active judges who are not recused, under the Federal Rules of Appellate Procedure and each circuit's local rules.
- What happens to the panel opinion?
- In many circuits, granting rehearing en banc vacates the panel opinion, but practice varies by circuit. Read the order and local rules.
- How long does a decision on a petition take?
- There is no fixed deadline for the court. Some petitions are decided within weeks; others take months, which matters for by-date contracts.