Trading
Trading on PredictBase
Once your wallet is connected and your account is funded with USDC on Base, you’re ready to make your first prediction! PredictBase allows you to bet on real-world outcomes — such as Bitcoin price movements, sports results, tech product launches, and more — and trade shares of your predictions as events unfold in real time.
What You’re Betting On
Each market includes:
A question (e.g., “Will ETH be above $3,000 on May 1st?”)
A set of options (e.g., “Yes” or “No”)
The current share price for each option
You place your USDC on the outcome you believe will occur and receive shares in return. After the market resolves, you can claim $1 per share if your prediction was correct, or you can sell your shares anytime based on the current market price.
You can place multiple bets in the same market before it closes.
All bets are stored on-chain and fully transparent.
A 2% fee (1% to the market creator, 1% to the protocol) is applied directly to each trade
Trading Fee (2% )
Each trade (buy/sell) includes a 2% transaction fee, which is split evenly:
Creator Revenue
1%
Paid to the market creator after the market is resolved
Protocol Revenue
1%
Used to fund PredictBase development, infrastructure & PREDI buyback
These fees are included in your quoted share price.
Example: You want to buy $100 USDC worth of shares in the Lakers market:
$1 USDC goes to creator revenue
$1 USDC goes to the platform
The Seller will receive the remaining $98 USDC
How to Open a Positions?
Browse markets on PredictBase.
Click on a market to open its detail view.
Select your prediction option (e.g., “Yes”).
Enter the amount of USDC you want to bet.
Click Place Bet.
Note: By default, this will use a market order, which may cause slippage — be careful! You can click the limit order icon to switch to a limit order if you prefer.
How to Close a Positions?
Visit your dashboard on PredictBase or go to the market page.
Select your option.
Enter the amount of shares you want to sell.
Click Confirm.
Note: By default, this will use a market order, which may cause slippage — be careful! You can click the limit order icon to switch to a limit order if you prefer.
How Odds Work
In PredictBase v3, trades occur through a live orderbook, matching buyers and sellers directly.
Each trade requires a counterparty: for every share you buy or sell, there must be a matching order. If no matching orders exist, your order may not get filled.
Once you place a bet, your odds are locked in. Winning options pay $1 per share.
Live trading lets you buy or sell shares anytime before market resolution, enabling you to:
Lock in profits
Hedge positions
Actively trade like in traditional markets
Example
Market: Will BTC be over $70,000 on May 1st?
Option prices: Yes = $0.60, No = $0.40
Bet: $50 on "Yes"
Result:
Shares received: 83.33 shares
Payout if correct: $83.33
⚠ Important Notes
Verify Market Validity
PredictBase allows all users to create markets, so make sure the market you’re betting on makes sense. Cancelled markets will resolve all options evenly, which means you could incur losses. Always validate markets before placing bets to avoid unexpected outcomes.
Once your bet is placed, you can track it anytime under Viewing Your Bets.
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