State Street SPDR S&P Dividend ETF (SDY) Historical Volatility

Tracking SDY historical volatility helps you see how much State Street SPDR S&P Dividend ETF'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, State Street SPDR S&P Dividend ETF's HV tells you what really happened. Use our scanner to monitor SDY 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 SDY 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing State Street SPDR S&P Dividend ETF'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.

The State Street SPDR S&P Dividend ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P High Yield Dividend AristocratsTM Index (the "Index")The Index screens for companies that have consistently increased their dividend for at least 20 consecutive years, and weights the stocks by yieldDue to the index screen for 20 years of consecutively raising dividends, stocks included in the Index have both capital growth and dividend income characteristics, as opposed to stocks that are pure yield

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 State Street SPDR S&P Dividend ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SDY HV is running hot, cold, or in line. Make the SDY 30 day historical volatility — and every other window — work for your edge instead of against it.