Ampco-Pittsburgh Corp
Ampco-Pittsburgh Corp (AP) Historical Volatility
AP's 30 day historical volatility is 76.08%, in the 28th percentile of readings over the past year. This is a low percentile, meaning Ampco-Pittsburgh Corp shares have been calmer than usual. AP's 30 day implied volatility sits at 130.21%, with an IV Rank of 55.56%, leaving IV 54.13 points above historical volatility. This means options are pricing in more movement than the stock has actually delivered, as of Nov 5, 2026.
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Tracking AP historical volatility helps you see how much Ampco-Pittsburgh 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, AP's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor AP 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. AP's 30 day historical volatility, or AP HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing AP'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.
Ampco-Pittsburgh Corporation, together with its subsidiaries, engages in manufacture and sale of specialty metal products and customized equipment to commercial and industrial users worldwide. It operates in two segments, Forged and Cast Engineered Products (FCEG); and Air and Liquid Processing. The FCEG segment produces forged hardened steel rolls that are used in cold rolling mills by producers of steel, aluminum, and other metals; cast rolls for hot and cold strip, medium/heavy section, hot strip finishing, roughing, and plate mills in various iron and steel qualities; and forged engineered products for use in the steel distribution, oil and gas, and aluminum and plastic extrusion industries.
Historical Volatility
Historical movement is subdued versus the past year. The stock has been unusually quiet.
As of Nov 5, 2026
As of Nov 5, 2026
As of Nov 5, 2026
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