An uptick refers to a price increase from the previous transaction level, indicating upward price momentum in a security or commodity. Upticks are used in various trading rules and technical analysis, including the former uptick rule for short selling and momentum analysis for trend identification.

Uptick analysis helps assess buying pressure, momentum strength, and market sentiment. Consecutive upticks may indicate strong demand and potential trend continuation, while isolated upticks might represent temporary fluctuations. Understanding uptick patterns helps traders assess market dynamics and timing decisions.

Real-world example: Apple stock shows five consecutive upticks from $150.00 to $150.20, indicating strong buying momentum that technical traders interpret as confirmation of upward price pressure and potential trend continuation.