Silicon Motion Technology Corp ADR (SIMO) Historical Volatility

Tracking SIMO historical volatility helps you see how much Silicon Motion Technology Corp ADR'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, Silicon Motion Technology Corp ADR's HV tells you what really happened. Use our scanner to monitor SIMO 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 SIMO 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Silicon Motion Technology Corp ADR'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.

Silicon Motion Technology Corporation, together with its subsidiaries, designs, develops, and markets NAND flash controllers for solid-state storage devices. It offers controllers for computing-grade solid state drives (SSDs), which are used in PCs and other client devices; enterprise-grade SSDs used in data centers; eMMC and UFS mobile embedded storage for use in smartphones and IoT devices; flash memory cards and flash drives for use in expandable storage; and specialized SSDs that are used in industrial, commercial, and automotive applications. It markets its controllers under the SMI brand; enterprise-grade SSDs under the Shannon Systems brand; and single-chip industrial-grade SSDs under the Ferri SSD, Ferri-eMMC, and Ferri-UFS brands.

The company markets and sells its products through direct sales personnel and independent electronics distributors to NAND flash makers, module makers, hyperscalers, and OEMs. It operates in Taiwan, the United States, South Korea, China, Malaysia, Singapore, and internationally. Silicon Motion Technology Corporation was founded in 1995 and is based in Hong Kong, Hong Kong.

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 Silicon Motion Technology Corp ADR's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SIMO HV is running hot, cold, or in line. Make the SIMO 30 day historical volatility — and every other window — work for your edge instead of against it.