Ross Stores Inc (ROST) Historical Volatility

Tracking ROST historical volatility helps you see how much Ross Stores 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, Ross Stores Inc's HV tells you what really happened. Use our scanner to monitor ROST 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 ROST 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Ross Stores 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.

Ross Stores, Inc., together with its subsidiaries, operates off-price retail apparel and home fashion stores under the Ross Dress for Less and dd's DISCOUNTS brand names. Its stores primarily offer apparel, accessories, footwear, and home fashions. The company's Ross Dress for Less stores sell its products at department and specialty stores primarily to middle income households; and dd's DISCOUNTS stores sell its products at department and discount stores for households with moderate income. As of July 5, 2022, it operated approximately 1,950 stores under the Ross Dress for Less and dd's DISCOUNTS name in 40 states, the District of Columbia, and Guam.

Ross Stores, Inc. was incorporated in 1957 and is headquartered in Dublin, California.

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