Original Author: Changan, Biteye Content Team
Do you know why you can't beat the pros on Polymarket? Because they scrutinize the rules, parsing the text like lawyers reviewing a contract.
In April 2026, a controversy over Venezuela's leader erupted in the Polymarket community.
There was a market on Polymarket asking, "Who will be the leader of Venezuela by the end of 2026?" Many traders intuitively thought: Maduro is in a U.S. prison, Delcy is presiding over the cabinet in Caracas, so the de facto ruler is obviously Delcy. They placed their bets on Delcy.
But the rules and supplementary notes were clear: "officially holds" refers to the person formally appointed and sworn in. The UN-recognized Venezuelan government has not formally removed or replaced Maduro; official government information still identifies him as president. The rules specifically added: "Temporary authorization to exercise presidential powers does not equate to a transfer of the presidency."
According to these rules, even if Maduro remains in a U.S. prison, he is still the legitimate president of Venezuela.
There are many similar examples:
- After Polymarket issued a stablecoin, a dispute arose in the market over "What is Polymarket token's FDV?": The一字之差 (one-character difference) of whether a stablecoin counts as a token.
- Iran Uranium: The standard for "agreement," conditional statements vs. formally signed agreements.
Behind these cases lies the same logic: On Polymarket, the rules are core. But when rules cause disputes, Polymarket has a complete adjudication process to resolve them: This article will explain how this mechanism operates, and where it resembles and fundamentally differs from traditional courts.
一、Polymarket's Adjudication Mechanism
Ambiguity in rule text doesn't just create pricing discrepancies; it becomes a formal dispute at settlement.
Numerous markets settle on Polymarket daily, with those involving political statements, diplomatic postures, and military actions being particularly prone to controversy.
Disputed events are actually the norm in prediction markets. Ambiguity creates pricing divergence during the trading phase and turns into conflict at settlement; it's the same issue manifesting at two different points in time.
To resolve these disputes, Polymarket has established a complete adjudication process. The settlement process splits into two paths: normal settlement and dispute resolution.
Step 1: Submit Proposal
When a market meets the settlement conditions, anyone can submit a proposed resolution, declaring whether the market should be judged YES or NO. Submitting a proposal requires staking 750 USDC as a bond. This bond is the submitter's endorsement of their judgment. If the market has no objections, the user who submitted the proposal receives a 5 USDC reward.
Currently, only 1782 users have submitted proposals, with the highest-earning user having accumulated $281K.
Step 2: 2-Hour Challenge Window (Dispute)
After a proposal is submitted, a 2-hour challenge period begins. This is the first fork in the entire process.
If no objections are raised within 2 hours, the system defaults the proposal as correct, the market settles directly, and the process ends. The vast majority of markets follow this path.
If someone believes the proposed result is incorrect, they can raise a challenge within this 2-hour window, also requiring a 750 USDC stake. A successful challenge earns a 250 USDC bonus.
There are very few users who specialize in Dispute. The user who has earned the most from the Dispute环节 (challenge环节) is 0xB7A, with earnings of $17123.
Step 3: Up to 48-Hour Discussion Period
Once entering the dispute track, both parties proceed to the UMA Discord discussion phase. This stage serves to allow all sides to submit arguments and evidence: interpretations of the rule text, relevant news reports, historical precedents, official statements—any material that can support their position can be presented at this stage.
The discussion period lasts up to 48 hours and is the only phase in the entire process where reasons can be fully presented. The quality of this stage很大程度上 (to a large extent) determines the direction of the subsequent vote.
Step 4: 48-Hour Vote
After the discussion ends, the vote phase for UMA token holders begins, divided into two stages of 24 hours each.
- The first stage is a blind vote. This forces each voter to make an independent judgment based on their understanding of the rules, rather than following large holders.
- The second stage is public. Votes not公开 (publicly revealed) in this stage are considered abstentions and are directly invalidated.
After voting ends, UMA sets two settlement thresholds that must be met simultaneously for the adjudication to be finalized:
- Participation scale: At least 5 million tokens must participate in the vote, ensuring the裁决 (adjudication) has sufficient representativeness.
- Absolute consensus: The winning side must receive more than 65% of the votes, not a simple 51% majority.
If both thresholds are not met, the vote fails and enters a new round of re-voting, up to a maximum of 4 times. If no consensus is reached after 4 rounds, Polymarket officials have the right to intervene directly with a裁决 (ruling).
Step 5: Automatic Settlement
Once the vote result is confirmed, the market settles automatically, and funds are distributed according to the result. There is no appeal, no retrial, no recourse.
The entire dispute process, from challenge submission to final settlement, is typically completed within a week.
二、Polymarket vs. Traditional Courts: The Same Logic, Different Design
On the surface, Polymarket's adjudication process is highly similar to traditional courts: there is a party making a claim, a party challenging the claim, a环节 (stage) for discussion and陈述 (presentation), and finally an裁决者 (adjudicator) who delivers the result.
But the two systems differ fundamentally in one key design aspect: separation of powers.
1⃣ Court Power is Isolated
In traditional courts, the plaintiff and defendant only have the right to state their case, not the right to adjudicate. The judge only has the adjudication right, without an interest or立场 (stance). More importantly, the judge and the case must remain independent. If the judge has any interest in the case, they must recuse themselves强制回避 (mandatorily recuse), and the case is transferred to another judge.
The adjudicator and the interested party are never the same person.
2⃣ Polymarket Lacks This Isolation
UMA token holders are the adjudicators, but they can simultaneously hold positions in the disputed market. Which way the裁决 (ruling) goes directly affects their own profit and loss. The裁判者 (referee) and the利益方 (interested party) being the same person is called a conflict of interest in traditional courts, leading to强制回避 (mandatory recusal); in Polymarket, it is legal and normal.
This design flaw is the root cause of the following two problems.
1️⃣ Why the Discussion Phase Fails
In court, the positions of the plaintiff and defendant are fixed from the moment the lawsuit is filed. Lawyers do not switch sides mid-trial, nor do they withdraw their statements because the other side is more forceful. Positions are clear, roles are defined, and the entire debate is built on this stability.
The UMA Discord discussion faces two problems simultaneously.
Herd Effect: The discussion is conducted openly and with real names. Once influential KOLs state their position, it's easy for others to follow suit. Many participants just post "P1" or "P2" without giving any理由 (reason).
Position Switching: Participants in the discussion simultaneously hold positions in the disputed market. When their positions change, their立场 (stance) naturally changes with them. This is why posts in the UMA Discord are often deleted after being made.
Both problems stem from the same root: the adjudicator and the interested party are not separated. Courts use the recusal system to separate these two roles, ensuring the stability of positions during the discussion. Polymarket lacks this isolation.
2️⃣ Why Adjudication Results Lack Transparency
In court, the judge hears the完整的陈述 (complete presentations) from both sides before making a ruling. The judgment document states which party's arguments were adopted, the basis for the decision, and why the ruling was made. The losing party might不服 (disagree), but at least they know why they lost and can strengthen their arguments accordingly next time.
These judgment documents form a system of precedents that can be studied. Subsequent judges, lawyers, and parties can cite them, making the adjudication standards searchable, learnable, and predictable.
After the UMA vote concludes, there is only one result: YES or NO. The parties involved in the discussion don't know what the voters saw, what they believed, or why they leaned one way. Winners don't know which argument was effective; losers don't know where their persuasion fell short. Precisely because the裁判逻辑 (adjudication logic) is never made public, the outcomes of disputes are difficult to learn from and accumulate.
Court judgments form a system of precedent; Polymarket's adjudications leave only a result.
三、Final Thoughts
Therefore, Polymarket is never just a market for "guessing events correctly"; it's more like a system that translates real-world events into legal text, and then translates that legal text into settlement results.
Understanding the rules is as important as doing research. The pros' advantage often comes from their depth of understanding of the rules, knowing what this system acknowledges and what the adjudication will recognize.
Those who realize earlier that there is a gap between "reality" and "rules" have a better chance of profiting from the price deviations created by misreading, disputes, and emotions.
