Liquidity in financial markets is generally provided by a combination of market participants, including brokers, dealers, and market makers. These entities facilitate the buying and selling of assets by offering to trade at specified prices, thereby ensuring that there are always available quotes. In many markets, high-frequency trading firms contribute significantly to liquidity by executing numerous trades at rapid speeds, while institutional investors like hedge funds and mutual funds also play vital roles by entering larger orders.
Additionally, exchanges themselves can provide liquidity through various mechanisms such as order matching systems. Overall, a well-functioning liquidity ecosystem enables smoother transactions, better pricing, and reduced volatility in asset prices.