A tick in financial markets measures the smallest possible price fluctuation for any given asset. One tick is worth a certain amount of money, which varies depending on the asset being traded (the tick size or tick value).
A tick is the smallest incremental amount at which a security can be traded. Since 2001, when decimalization was implemented, the minimum tick size for stocks trading above $1 has been one cent.

A tick is a measure of the minimum upward or downward movement in the price of a security. A tick can also refer to the change in the price of a security from one trade to the next trade.

A tick value represents the smallest price movement of a financial instrument in a trading market. It is the monetary value associated with one tick, calculated by multiplying the size of the tick (the smallest increment of price change) by the contract size or lot size.

For example, in futures trading, if a tick size is 0.01 and the contract size is 100 units, the tick value would be 1 (0.01 × 100). This value helps traders understand the profit or loss for each minimal price movement.

Tick values vary by asset and exchange, and knowing them is crucial for calculating potential risks and rewards. It’s an essential concept for precise position sizing and managing trading costs effectively.