Opinion
Prediction markets
Prediction exchange focused on macroeconomic markets, with an order book and contracts on BNB Chain.
- Order book prediction exchange on BNB Chain with USDT as collateral for all markets
- Only takers pay fees (0% to 1%, highest near 50%, $0.25 minimum); makers get 50% of the taker fee as a rebate
- Platform covers gas for trade matching and settlement
- Weekly points (PTS) for limit orders, trading and holding positions, from $200 total volume
6.6 of 10
Seven criteria on a scale of 10, the fee and market numbers computed from the data. Compare it with other prediction markets only. How we score
- Taker
- 1%
- Maker
- 0%
- Volume a day
- $8M
- Open interest
- $3M
- Rewards 8.0
- Weekly points for orders, trades and positions, plus maker rebates
- Taker fee 7.8
- The highest taker fee: none is a 10, 4% or more is a 1.
- Volume 3.7
- Average a day: $1M is a 1, $1B is a 10, on a log scale. Under $100K a day the whole score stops at 5.
- Safety 6.0
- Mainnet volume since Oct 2025, under a year; funds in a multi-sig Safe
- Ease 10.0
- USDT on BNB Chain from an exchange, gas covered; sports to macro markets
- Open interest 2.4
- $1M is a 1, $1B is a 10, on a log scale.
- Access 6.0
- No KYC, but 11 countries and regions are excluded, US and UK included
Cost to start: Minimum order $5, minimum withdrawal $5
- Connect a Web3 wallet such as Binance Wallet or MetaMask, or sign in with Google or X
- Fund your account with USDT on BNB Chain
- Pick a market and choose Yes or No in the Buy panel
- Enter a dollar amount and click Buy
Proposed results can be disputed only once, with a stake in $OPN that is lost if the dispute is rejected. Trading funds sit in a multi-sig Safe wallet, and the login wallet needs BNB for gas on some actions.
No security incidents found in our check of Oct 30, 2026.