What Is a Prediction
Marketplace?
A prediction marketplace is a platform where participants buy and sell contracts based on the outcome of future events, and the market prices collectively reflect the probability of those events occurring.
It crowdsources forecasts by putting money or points behind predictions.
Market Intelligence
Aggregate dispersed knowledge into actionable market prices that reflect true probability
Wisdom of Crowds
Harness collective intelligence where aggregated predictions outperform individuals
Risk Assessment
Enable precise scenario planning and strategic validation for leadership teams
Prediction Marketplace Terminology
Core Concepts
Event
A future outcome being predicted (e.g., “Will Product X launch by June?”).
Market
A tradable environment created around a specific event.
Outcome
A possible result of an event (Yes/No, multiple choices).
Contract
A tradable unit that pays out if a specific outcome occurs.
Share
A unit of ownership in a particular outcome’s contract.
Price
The current market value of a contract, often interpreted as probability.
Implied Probability
The likelihood of an outcome inferred from contract prices.
Liquidity
How easily contracts can be bought or sold without affecting price.
Volume
The total number of contracts traded in a market.
Participants & Behavior
Trader
A participant who buys or sells contracts.
Market Maker
An entity or algorithm that ensures liquidity by offering buy/sell prices.
Speculator
A trader seeking profit from price movements.
Forecaster
A participant focused on accuracy rather than profit.
Informed Trader
Someone trading based on superior information or insight.
Herding
Traders following others’ actions instead of independent judgment.
Pricing & Mechanics
Bid Price
The highest price a buyer is willing to pay.
Ask Price
The lowest price a seller is willing to accept.
Spread
The difference between bid and ask prices.
Settlement
The process of resolving the market after the event outcome is known.
Payout
The reward given to holders of correct contracts after settlement.
Resolution Source
The authority used to determine the final outcome.
Expiration
The date when trading stops and the market resolves.
Risk & Incentives
Stake
The amount of money or points committed to a prediction.
Risk Exposure
The potential loss a trader faces.
Expected Value (EV)
The average outcome weighted by probability.
Incentive Alignment
Designing rewards so truthful predictions are favored.
Manipulation
Attempts to distort prices by trading misleadingly.
Arbitrage
Profiting from price inconsistencies across markets.
Platform Types
Real-Money Market
Uses actual currency and pays real financial rewards.
Play-Money Market
Uses points or tokens for learning or research.
Decentralized Prediction Market
Runs on blockchain without central control.
Enterprise Prediction Market
Used internally by companies for forecasting.
Public Prediction Market
Open platforms forecasting public events.
Risk & Incentives
Wisdom of Crowds
The idea that aggregated predictions outperform individuals.
Information Aggregation
Markets combining dispersed knowledge into prices.
Calibration
How closely predicted probabilities match actual outcomes.
Market Efficiency
How well prices reflect all available information.
Long-Tail Events
Low-probability, high-impact outcomes.
When Prediction Marketplaces Are Used
Forecasting & Planning
Elections, product launches, and sales targets with data-driven precision
Risk Assessment
Scenario planning and strategic risk evaluation for critical decisions
Market Research
Demand forecasting and market validation before major investments
Strategy Validation
Internal leadership insights for validating strategic initiatives
Centralized vs Decentralized Prediction Markets
Centralized Prediction Marketplace
A centralized prediction marketplace is operated by a single entity that controls the platform, manages funds, sets rules, and resolves outcomes through a trusted authority.
Central Authority
A single organization that owns and operates the platform, making all final decisions.
Custodial Funds
The platform holds and manages users’ funds in centralized accounts or wallets.
KYC/AML Compliance
Know Your Customer and Anti-Money Laundering requirements enforced by the central operator.
Platform Rules
Centrally defined terms of service, market creation guidelines, and user conduct policies.
Centralized Resolution
Outcomes are determined by the platform’s designated oracle or moderation team.
Fiat Integration
Direct support for traditional currencies like USD, EUR through payment processors.
Account Recovery
The platform can help users recover lost passwords or restore account access.
Platform Fees
Transaction or withdrawal fees collected by the central operator for maintenance and profit.
Decentralized Prediction Marketplace
A decentralized prediction marketplace runs on blockchain technology with no central authority, using smart contracts and community governance for transparent, trustless operations.
Smart Contracts
Self-executing code on blockchain that automatically enforces rules and processes trades.
Non-Custodial
Users maintain full control of their funds through personal wallets, not held by the platform.
Blockchain
Distributed ledger technology ensuring transparency and immutability of all transactions.
Decentralized Oracle
Community-driven or algorithmic systems for resolving market outcomes without central authority.
Governance Token
Cryptocurrency that grants holders voting rights on platform decisions and protocol changes.
Permissionless
Anyone can participate without approval, create markets, or trade without identity verification.
Trustless
No need to trust a central party; security and fairness ensured by cryptographic protocols.
Gas Fees
Transaction costs paid to blockchain network validators for processing operations.
Frequently Asked Questions
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