Banco Santander SA ADR (SAN) Historical Volatility

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

Banco Santander, S.A. provides various retail and commercial banking products and services to individuals, small and medium-sized enterprises, and large companies worldwide. It offers demand and time deposits, and current and savings accounts; mortgages, consumer finance, syndicated corporate loans, structured financing, cash management, export and agency finance, trade and working capital solutions, and corporate finance; and insurance products. The company also provides cash, asset, and wealth management; and private banking services. In addition, it is involved in the corporate banking; treasury, risk hedging, foreign trade, confirming, custody, and investment banking activities.

The company operates through a network of 9,879 branches. The company was formerly known as Banco Santander Central Hispano S.A. and changed its name to Banco Santander, S.A. in June 2007. Banco Santander, S.A. was founded in 1856 and is headquartered in Madrid, Spain.

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