Axcelis Technologies Inc (ACLS) Historical Volatility

Tracking ACLS historical volatility helps you see how much Axcelis Technologies Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Axcelis Technologies Inc's HV tells you what really happened. Use our scanner to monitor ACLS 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 an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The ACLS 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Axcelis Technologies Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. It sells its equipment and services to semiconductor chip manufacturers through its direct sales force. The company was founded in 1978 and is headquartered in Beverly, Massachusetts.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Axcelis Technologies Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where ACLS HV is running hot, cold, or in line. Make the ACLS 30 day historical volatility — and every other window — work for your edge instead of against it.