: Specify a desired price, providing liquidity to the market but risking non-execution.

: Execute immediately at the current best price but consume liquidity.

: Regulatory changes or technological shifts can lead to sudden drops in liquidity, making it more expensive for investors to trade.

: Regulations like MiFID II (Europe) and Regulation NMS (US) aim to ensure transparency and fair access across fragmented markets.

: Institutional funds use high-volume algorithms to minimize market impact, while retail investors typically use smaller, immediate orders through brokers.

Professional market participants use sophisticated tools to navigate these mechanics.

: This is the process where buyers and sellers interact to find the best available price. It is heavily influenced by order types:

: Events like the 2010 Flash Crash highlight the risks of high-speed, automated trading systems and the need for circuit breakers.