Spread
The difference between best bid and best ask price. Tighter spreads indicate more liquid markets with lower costs.
In Depth
Spread is a fundamental concept in prediction market trading. In platforms like Polymarket with thousands of active markets, understanding spread is essential for consistent profitability. TradeSphere data across 5,400+ markets shows that traders who master these concepts significantly outperform those trading on instinct.
In practice, spread connects to Bid-Ask, Orderbook, Market Maker. PolyPulse tracks these metrics and publishes weekly analysis. For hands-on application, PolyFire provides real-time market data and copy trading via Telegram.
Related Terms
3Bid-Ask
tradingBid is highest buyer price; ask is lowest seller price. The gap is the spread — the cost of immediate execution.
Orderbook
marketsReal-time list of all buy and sell orders organized by price. Shows available liquidity and best bid/ask.
Market Maker
marketsA participant providing liquidity by posting continuous buy and sell orders. Earns the spread but assumes inventory risk.
See It in Action
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