Glossary of Common Tickers, Acronyms, Variables, and Math Equations Ticker Full Name SPY SPDR S&P 500 XLE Energy Select Sector SPDR Fund GLD SPDR Gold Trust QQQ Invesco QQQ ETF (NASDAQ‐100) TLT iShares 20+ Year Treasury Bond ETF SLV iShares Silver Trust FXE Euro Currency ETF XLU Utilities ETF AAPL Apple Stock GOOGL Google Stock IBM IBM Stock AMZN Amazon Stock TSLA Tesla Stock VIX CBOE Volatility Index (implied volatility for the S&P 500) GVZ CBOE Gold Volatility Index VXAPL CBOE Equity VIX On Apple VXAZN CBOE Equity VIX On Amazon VXN CBOE NASDAQ‐100 Volatility Index Acronym Full Name NYSE New York Stock Exchange ETF Exchange‐Traded Fund DTE Days to Expiration EMH Efficient Market Hypothesis ITM In‐the‐Money OTM Out‐of‐the‐Money ATM At‐the‐Money P/L Profit and Loss IV Implied Volatility VaR Value at Risk CVaR Conditional Value at Risk POP Probability of Profit BPR Buying Power Reduction IVP IV Percentile IVR IV Rank NFT Non‐Fungible Tokens Variable Symbol Variable Name/Definition Spot/stock price: the price of the underlying Contract price: the price of the option, noting that C is used if the contract is a call and P is used in the case of puts Strike price: the price at which the holder of an option can buy or sell an asset on or before a future date Risk‐free rate of return: the theoretical rate of return of a riskless asset Mean: the central tendency of a distribution Standard deviation: the spread of a distribution; also used as a measure of uncertainty or risk Volatility: the standard deviation of log‐returns for an asset; a key input in options pricing Delta: the expected change in an option's price given a $1 increase in the price of the underlying Gamma: the expected change in an option's delta given a $1 change in the price of the underlying Theta: the expected time decay of an option's extrinsic value in dollars per day Beta: the volatility of the stock relative to that of the overall market Beta‐weighted delta: the expected change in an option's price given a $1 change in some reference index Equation Number Equation 1.1 Simple Returns 1.2 Log Returns 1.3 Long Call P/L 1.4 Long Put P/L 1.5 Population Mean 1.6 Expected Value 1.7 Population Variance 1.8 Variance 1.9 Skew 1.15 Delta 1.16 Gamma 1.17 Theta 1.18 Population Covariance 1.19 Covariance 1.20 Correlation Coefficient 1.21 Additive Property of Variance 1.22 Beta 2.1 ±1σ Expected Range Approximation (%) 2.2 ±1σ Expected Range Approximation ($) 3.1 IV Percentile (IVP) 3.2 IV Rank (IVR) 4.1 Short Put BPR 4.2 Short Call BPR 4.3 Short Strangle BPR 5.1 Short Iron Condor BPR 8.1 Approximate Kelly Allocation Percentage