# Dispute
Opinion is built on the principle that **market outcomes must be accurate**. The dispute system gives every participant the power to challenge a resolution they believe is wrong — creating a transparent, community-driven layer of accountability.
By allowing anyone to dispute, Opinion ensures:
* **Accuracy** — incorrect resolutions can be corrected before payouts are finalized.
* **Fairness** — every trader has a voice.
* **Accountability** — disputors who are right are rewarded; frivolous disputes are discouraged through staking.
### Summary
* **Any user can dispute** a market resolution during the dispute window by staking $OPN tokens.
* **Two dispute categories**: *Wrong Result* (the outcome is incorrect) or *Too Early* (the event hasn't happened yet).
* You may also provide a **detailed written reason** — including reference URLs or evidence — for review.
* **One dispute per resolution.** The first user to file a dispute claims the slot. Once a dispute is filed, no further disputes can be submitted for the same resolution.
* **If your dispute is accepted**: you receive your stake back **plus** an equal reward in $OPN.
* **If your dispute is rejected**: your stake is forfeited.
* The required stake amount is shown on each market's dispute page.
* **Gas policy**: you pay your own gas for filing a dispute and claiming your reward.
### How It Works
#### Step 1 — A Market Resolves
When the proposed outcome is published and a **dispute window** opens - typically 2-hour long except some asset-price related markets. During this window, payouts are not yet finalized.
#### Step 2 — File a Dispute
If you believe the resolution is incorrect, you can file a dispute directly from the respective market page:
1. Select your dispute reason: **Incorrect outcome** or **Too early to resolve**.
2. Optionally, provide a detailed explanation with supporting evidence (e.g., links to news sources).
3. Stake the required amount of **$OPN** tokens. You will need to connect your wallet and have the required amount of $OPN ready. The exact amount is displayed on the market page.
4. Confirm the on-chain transaction.
#### Step 3 — Review
Once a dispute is filed, a review process will take place.
#### Step 4 — Outcome
| Scenario | What Happens | Your Stake |
| --------------------- | ----------------------------------------------------------------------- | ----------------------- |
| **No dispute filed** | Resolution auto-finalizes after the dispute window expires | N/A |
| **Dispute in review** | A dispute has been filed and is currently under review — result pending | Held |
| **Dispute rejected** | The original result is reaffirmed — it stands | Forfeited |
| **Dispute accepted** | Original resolution is overturned — new result is applied | Returned + equal reward |
| **Time out** | Dispute succeeds automatically; market can be re-resolved later | Returned + equal reward |
#### Step 5 — Claim Your Reward
If your dispute succeeded (accepted or timed out), you can claim your stake and reward from the market page. This is an on-chain transaction — you pay gas to claim.
### Timelines
Each market has its own dispute window durations. These are displayed on the market page when a resolution is proposed.
* **Dispute window** — the period after a resolution is published during which you can file a dispute.
* **Review window** — the period after a dispute is filed for a review process. The dispute automatically succeeds if the review process times out.
### Stake & Rewards
**Stake token**: $OPN
### Stake Requirement
The required stake amount is fixed at the time the first resolution is proposed for a market, and is calculated as:
**max(1% of market open interest, 1,000 $OPN)**
The $OPN amount is determined using the Binance OPN/USDT exchange rate at the time the first resolution is proposed.
**Example (assuming OPN/USDT = 1):**
| Market Open Interest | 1% of OI | Required Stake |
| -------------------- | ---------- | ------------------------------------ |
| 200,000 USDT | 2,000 $OPN | 2,000 $OPN |
| 50,000 USDT | 500 $OPN | 1,000 $OPN *(minimum floor applies)* |
The exact stake amount is always displayed on the market's dispute page before you commit.
*Note: Opinion reserves the right to adjust the stake percentage based on market category.*
**Reward structure**:
* **Dispute accepted or timed out**: you receive your full stake back, plus an equal reward — **2x your original stake** in total.
* **Dispute rejected**: your entire stake is forfeited.
### FAQ
**Q: How do I know if I can dispute a market?** A: When a market has an active dispute window, the market page will show the dispute option along with the remaining time and required stake amount.
**Q: What $OPN tokens do I need?** A: You need $OPN tokens in your connected wallet (EOA). The exact amount required is shown on the market's dispute page.
**Q: What happens if no one disputes?** A: The resolution is automatically finalized after the dispute window expires, and payouts proceed as proposed.
**Q: Can I dispute more than once on the same market?** A: No. Each resolution allows only one dispute. Once a dispute is filed, no additional disputes can be made.
**Q: What's the difference between "Incorrect outcome" and "Too early to resolve"?** A: Choose **Incorrect outcome** if you believe the outcome is incorrect. Choose **Too early to resolve** if the event the market is based on hasn't actually occurred yet — for example, a match that was postponed.
**Q: Do I pay gas fees?** A: Yes. Dispute actions — filing a dispute and claiming your reward — require you to pay gas on the BNB Smart Chain.
### Think a Resolution is Wrong?
Opinion's dispute system ensures no outcome goes unchecked. If you spot an error, you have the power — and the incentive — to correct it.
**Protect the integrity of your markets.**
➡️ Trade at [opinion.trade](https://opinion.trade)
*Trade Tomorrow Now*
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