689 Index Dummy variables, 659–663 Durbin-Watson statistic, as measure of autocorrelation, 652–654 Eckardt, Bill, 578, 584 Edge, having an, 576 Efficient market hypothesis, 428, 431 Elasticity of demand, 361–362 Elementary statistics, 597–618 central limit theorem, 609–612 confidence intervals, 612–614 measures of dispersion, 597–599 normal curve (Z) table, reading, 604–606 population mean, 607 populations and samples, 606 probability distributions, 599–604 sampling distribution, 608–609 standard deviation, 599, 607 t-test, 614–618 E-Mini Dow: descending triangle, 127 futures, uptrend line, 60 intermarket stock index spreads, 461–470 E-Mini Nasdaq 100: double bottom, 135, 137 downtrend lines and, 67 flags and pennants, 130 intermarket stock index spreads, 461–470 uptrend lines and, 59, 61 wide-ranging down bar, 123 E-Mini S&P 500: intermarket stock index spreads, 461–470 market response analysis and, 408, 409 options on futures and, 482, 484 price envelope bands and, 107, 108 seasonal index and, 399 trend lines and, 74 upthrust/downthrust days and, 117 Employment report: stock index futures response to, 408–409 T -Note futures response to monthly, 404–407 ENPPT . See Expected net profit per trade (ENPPT) Equal-dollar-spread ratio, 472 Equal-dollar-value spread, 455–460 Equally weighted term, 453 Equilibrium, 363, 365 Equity change, intercurrency spreads and, 472–473 Equity chart, 566 Demand curve, 359, 361 Demand-influencing variables, 368–370 DeMark, Thomas, 66, 69, 199 DeMark sequential, 199–203 Dependent variable, determining, 675–676 Detrended seasonal index, 394 Deviation: definition of, 623 total, 630–631 Diagonal spread, 542 Diary, maintaining trader’s, 565 Difference indicators: Close – Close vs. Close – MA, 158 ratio versions, 159 Discipline, 578 Discrete parameter, 293 Discrete variable, 600 Discretionary traders, losing period adjustments, 562–563 Disloyalty/loyalty, 583–584 Dispersion, measures of, 597–599 Disturbance, definition of, 623 Diversification: planned trading approach and, 560, 561–562 trend-following systems and, 256–258 Dividends, 462 Dollar: equal-dollar-value spread, 455–460 intercurrency spreads and, 471 price, 383 Dollar value, option premiums and, 477–478 Double top, penetration of, 227–229 curvature, breaking of, 229 Double tops and bottoms: double bottom, 137–138 double top, 136 triple top, 129 Down run day, 118, 268 Downthrust day, 116 Downtrend channels, 62, 63 Downtrend lines: definition of, 57 examples of, 59, 61, 65 false breakout signals, 211, 213 Driehaus, Richard, 578, 585 Druckenmiller, Stanley, 581, 584