Tracking WAB historical volatility helps you see how much Westinghouse Air Brake Technologies Corp's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, WAB's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor WAB 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.
Historical volatility is the annualized standard deviation of a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. WAB's 30 day historical volatility, or WAB HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing WAB's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.
Westinghouse Air Brake Technologies Corporation provides technology-based equipment, systems, and services for the freight rail and passenger transit industries worldwide. It operates through two segments, Freight and Transit. The Freight segment manufactures and services components for new and existing freight cars and locomotives; builds new commuter locomotives; rebuilds freight locomotives; supplies railway electronics, positive train control equipment, signal design, and engineering services; and provides related heat exchange and cooling systems. It serves publicly traded railroads; leasing companies; manufacturers of original equipment, including locomotives and freight cars; and utilities.
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