Creating Markets

Think you have a great question for a prediction market? On Opinio, you can create your own markets and earn fees from trading activity.

Why Create Markets?

Earn Creator Fees

Market creators earn 0.25% of all trading volume on their markets:

• Passive income from trading activity

• Accumulates as long as market is active

• Paid out directly to your balance

Shape the Platform

Create markets about topics you're passionate about:

• Fill gaps in existing markets

• Cover niche topics others miss

• Build a following for your markets

How to Create a Market

Step 1: Navigate to Create Page

Click Create in the navigation or go directly to /create.

Step 2: Fill Out Market Details

Market Title Write a clear yes/no question. Good titles are:

• Unambiguous

• Verifiable

• Time-bound

✅ Good: "Will Bitcoin reach $100,000 by December 31, 2026?" ❌ Bad: "Will crypto do well?"

Category Select the most appropriate category:

• Crypto

• Politics

• Sports

• Entertainment

• Yes/No (general)

Resolution Date When should trading end and the market resolve?

• Set a specific date and time

• Allow enough time for trading

• Match the natural event timeline

Resolution Source Where will the outcome be verified?

• Official news sources

• Statistics providers

• Governing body announcements

Step 3: Add Description (Optional)

Provide additional context:

• Background information

• Why this question matters

• Specific resolution criteria

Step 4: Review and Submit

Check everything is correct, then create your market.

Writing Good Market Titles

Be Specific

• Include exact dates

• Name specific people/entities

• Use precise numbers

Be Objective

• Avoid subjective terms ("successful", "good", "popular")

• Stick to measurable outcomes

• Define what YES and NO mean

Be Clear

• No jargon or abbreviations (unless universal)

• One question per market

• Simple sentence structure

Examples of Great Markets

Crypto Markets

✅ "Will Ethereum's price exceed $5,000 on CoinGecko on July 1, 2026?" ✅ "Will the Bitcoin halving occur before May 1, 2028?"

Sports Markets

✅ "Will Manchester City win the 2025-26 Premier League title?" ✅ "Will the Super Bowl LX have over 100 million US viewers?"

Entertainment Markets

✅ "Will Avatar 3 gross over $2 billion worldwide?" ✅ "Will Taylor Swift's next album debut at #1 on Billboard 200?"

Political Markets

✅ "Will Congress pass a federal AI regulation bill by end of 2026?" ✅ "Will the Federal Reserve cut interest rates in Q1 2026?"

Market Creation Best Practices

Do

• Research if a similar market already exists

• Set reasonable timeframes

• Use reliable resolution sources

• Write clear resolution criteria

Don't

• Create duplicate markets

• Set resolution dates too far in the future

• Use ambiguous language

• Create markets you can manipulate

Tracking Your Markets

After creation, monitor your markets in the Portfolio page:

• My Markets tab shows all your created markets

• View trading volume and fees earned

• Track market status (Active, Pending, Resolved)

Creator Earnings Breakdown

Metric	Example
Your market's volume	$10,000
Creator fee rate	0.25%
Your earnings	$25

Earnings compound as your market attracts more trading activity. Popular, well-crafted markets can generate significant passive income.

Promoting Your Markets

After creating a market:

• Share on social media

• Discuss in relevant communities

• Provide updates and context

• Engage with traders

More traders = more volume = more earnings for you.

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Next: Deposits & Withdrawals Overview →