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Guide 04 · Event markets

Binance Wallet Prediction Markets: from implied probability to payout

Prediction turns a future outcome into a tradeable share. Price can be read as an implied probability, while the trade result still depends on spread, fees, exit price and resolution rules. Binance supplies access; Predict.fun is the underlying BNB Smart Chain protocol.

Editorial review completed 8 August 202616 min read
00

Know this first

  • YES/NO shares generally trade from $0.01 to $0.99 and only the winner redeems for $1.
  • A separate Keyless Prediction Account can be funded from Spot/Funding.
  • Market orders take available liquidity; limit orders control price but may not fill.
  • The same Predict.fun book must not be counted twice when shown through Wallet.
01

Reading a YES/NO price

YES at $0.63 loosely implies a 63% market probability. It is not a calibrated guarantee: price also reflects liquidity, fees, capital constraints and participant mix.

At settlement the winning share pays $1 and the loser $0. One hundred YES shares at $0.63 cost about $63 before fees, have a maximum gross payout of $100 and can lose almost the full cost.

02

The roles of Wallet and Predict.fun

Wallet aggregates markets, creates a Keyless Prediction Account and currently sponsors gas. Predict.fun supplies the events, on-chain execution and resolution protocol; Binance is not the counterparty.

A market opened directly and through Wallet may be the same order book. farexio keeps access routes separate while deduplicating liquidity and volume at contract level.

03

Create and fund Prediction Account

  1. 01

    Open Markets → Prediction

    Update the app and select an event. First use starts the account setup.

  2. 02

    Confirm the Keyless Account

    A dedicated address is created automatically without manual seed setup for this flow.

  3. 03

    Choose funding

    Use an eligible Spot/Funding balance or transfer in advance through Assets → Prediction.

  4. 04

    Check the dedicated balance

    Prediction funds are separate from the general Wallet balance.

04

Market and limit orders

A market order consumes the best available offers, so its average price can be worse than the card price. A limit order caps buy price or sets a minimum sell price, but can remain open or fill partially.

  • Inspect book depth.
  • Allow for partial fills.
  • Cancel stale limits.
  • Subtract entry cost and fees from any displayed payout.
05

Market close, resolution and redemption

After trading closes, the named source determines the outcome. Wording, timezone, source and cancellation clauses override informal interpretations.

Winning tokens can be redeemed after final resolution. A pending state is not a loss; follow settlement status and the available Redeem/Claim action.

06

Sports-specific traps

Check whether the contract covers a match, map, period, BO3/BO5 series, qualification or tournament winner. Confirm overtime, draws and postponed/cancelled event treatment.

Roster news may already be priced. Compare the time of new information with recent trades and available depth.

07

Position sizing and expected value

Compare an independently estimated probability p with all-in cost c. A rough expected value is p × $1 − c, but only if p is defensible and resolution rules are clear.

Several contracts tied to one team, candidate or macro scenario are correlated—not independent diversification.

FAQ

Binance Wallet FAQ

Am I betting against Binance?

No. Wallet is the access interface; Predict.fun provides the market and on-chain execution.

Does 70 cents mean exactly 70%?

It is a useful market interpretation, not a guarantee. Spread, fees and limited liquidity can move price away from fair probability.

Can a share be sold before the event?

Usually yes while trading is open and liquidity exists. Exit price may differ and an order can fill partially.

Why is a sports market still pending?

The protocol may be waiting for an official source or applying postponement and dispute rules. Read the contract’s resolution terms.

Practical desk · Binance Web3

The route is clear—open Wallet when ready

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