Ripening

Opinion

Prediction markets

Prediction exchange focused on macroeconomic markets, with an order book and contracts on BNB Chain.

Go to Opinion

What it is

  • 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

MeLong score

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
Compare all prediction markets

How to start

Cost to start: Minimum order $5, minimum withdrawal $5

  1. Connect a Web3 wallet such as Binance Wallet or MetaMask, or sign in with Google or X
  2. Fund your account with USDT on BNB Chain
  3. Pick a market and choose Yes or No in the Buy panel
  4. Enter a dollar amount and click Buy

Live campaigns

Guides on Opinion

Risks to know

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.

Security record

No security incidents found in our check of Oct 30, 2026.

More in Prediction markets

Sources 15

Facts from the official sources above.

Go to Opinion