Tracking ACIW historical volatility helps you see how much ACI Worldwide Inc'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, ACIW's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor ACIW 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. ACIW's 30 day historical volatility, or ACIW HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing ACIW'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.
ACI Worldwide, Inc., a software company, develops, markets, installs, and supports a range of software products and solutions for facilitating digital payments to banks, merchants, and billers worldwide. The company offers ACI Acquiring, a merchant management system to deliver digital innovation, improve fraud prevention, and reduce interchange fees; ACI Issuing, a digital payments issuing solution; and ACI Enterprise Payments Platform that provides payment processing and orchestration capabilities for digital payments. It also provides ACI Low Value Real-Time Payments, a platform for processing real-time payments; and ACI High Value Real-Time Payments, a payments engine that offers multi-bank, multi-currency, 24x7 payment processing, and SWIFT messaging.
