Liquidity describes how easily an asset can be bought or sold without causing a significant change in its price.
High vs. low liquidity
Highly liquid markets — such as major currency pairs or large-cap stocks — typically have narrow spreads and can absorb large orders with limited price impact. Less liquid markets can see prices move sharply on comparatively small orders.
What affects liquidity
- The number of active buyers and sellers in a given market.
- Time of day and trading session overlaps, particularly in forex markets.
- Overall market conditions — liquidity often decreases during periods of stress.
- The specific instrument's typical trading volume.
Why liquidity matters for traders and investors
Low liquidity can widen spreads, increase slippage between expected and executed prices, and make it harder to exit a position quickly — all relevant considerations when sizing positions or choosing which markets to trade.
