Market internals is a GPS guidance system that provides traders with additional guidance on stock market performance and sentiment. Traders rely on indicators that simplify these types of complex analyses. Market internals pulls in data that quickly summarizes essential market measures; to put it in other words; it’s like taking the market’s pulse.

Essential market internals: 

• Tick ($TICK) 
• Volatility Index (VIX)
• Advance-Decline ($ADD) 
• Arms Index (TRIN)

Zooming out to take an overall view of market participation and sentiment can help traders make more informed decisions about their stock trades. These factors impact the stock prices and their activity and can be measured. We can break down these measurements into basic terms that are easier for traders to understand.