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Part of a series on financial services Financial regulation Types of regulations Money Laundering Capital requirements Bank regulations Basel accords International Financial Reporting Standards Fund governance Reserve requirement Concepts Bank run accounting scandals Too big to fail Securities fraud Ponzi scheme Regulatory agencies Central banks Securities commissions List of financial regulatory authorities by country Financial Action Task Force on Money Laundering Bank for International Settlements World Bank Regulatory terms Fractional reserve banking Offshore banking Tax haven Money service business Global financial system Financial integration Systemically important financial institution Related topics Financial market (participants) Financial law Corporate finance Personal finance Public finance Banking List of banks v t e The reserve requirement (or cash reserve ratio ) is a ce...

Part of a series on Accounting Historical cost Constant purchasing power Management Tax Major types Audit Budget Cost Forensic Financial Fund Governmental Management Social Tax Key concepts Accounting period Accrual Constant purchasing power Economic entity Fair value Going concern Historical cost Matching principle Materiality Revenue recognition Unit of account Selected accounts Assets Cash Cost of goods sold Depreciation / Amortization Equity Expenses Goodwill Liabilities Profit Revenue Accounting standards Generally-accepted principles Generally-accepted auditing standards Convergence International Financial Reporting Standards International Standards on Auditing Management Accounting Principles Financial statements Annual report Balance sheet Cash-flow Equity Income Management discussion Notes to the financial statements Bookkeeping Bank reconciliation Debits ...

The VIX In finance, volatility (symbol σ ) is the degree of variation of a trading price series over time as measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices. Implied volatility looks forward in time, being derived from the market price of a market-traded derivative (in particular, an option). Contents 1 Volatility terminology 2 Mathematical definition 3 Volatility origin 4 Volatility for investors 5 Volatility versus direction 6 Volatility over time 7 Alternative measures of volatility 8 Implied volatility parametrisation 9 Crude volatility estimation 10 Estimate of compound annual growth rate (CAGR) 11 Criticisms of volatility forecasting models 12 Volatility hedge funds 13 See also 14 References 15 External links 16 Further reading Volatility terminology Volatility as described here refers to the actual volatility , more ...