700 Index stock index futures and (see Stock index futures) time, 542 types of, 441–442 Spread seasonality, 449 Spreadsheet, maintaining traders, ’ 563–564 Stability: of return, 338 time (see Time stability) Standard deviation: calculation of, 323, 599 estimation of, 607 Standard error (SE), 612, 627 Standard error of the estimate (SEE), 627 Standard error of the mean, 612 Standard error of the regression (SER): about, 627 multiple regression model and, 641–642 simulation and, 681 Standardized residuals, regression run analysis and, 647 Statistic, definition of, 606 Statistics: elementary (see Elementary statistics) forecasting model, building, 414 influence of expectations on actual, 381 using prior-year estimates rather than revised, 379–380 Steidlmayer, Peter, 585 Stepwise regression, 681–682 Stochastic indicator, 199 Stock index futures: dividends and, 462 intermarket stock index spreads, 462–470 intramarket stock index spreads, 461–462 most actively traded contracts, 463 response to employment reports, 408–409 spread pairs, 463 spread trading in, 461–470 Stock market collapse, 425 Stop, trailing. See Trailing stop Stop close only, 18 Stop-limit order, 17 Stop-loss points, 183–188 flags and pennants and, 184–185 money stop and, 185, 187 relative highs and relative lows, 185, 186 relative lows and, 185, 186 selecting, 183–188 SMSV . See Single market system variation (SMSV) Soros, George, 22 Source/product spread, 442 Soybeans, inflation and, 384 Spike(s), 109–113 definition of, 112–113 reversal days and, 147 “spike days,” 237 Spike days. See Spike(s) Spike extremes, return to, 213–216 Spike highs: penetration of, 214–215 qualifying conditions and, 110–111 significance of, 109 spike extremes and, 213–216 Spike lows: penetration of, 215 price declines, 109 significance of, 110 Spike penetration signals negated, 216 Spike reversal days, 115–116 Spot gold, 555 Spread-adjusted (continuous) price series, 282–285 Spread order, 15, 19 Spreads: about, 439–440 analysis and approach, 448–449 balanced, 455 butterfly, 542 chart analysis and, 449 credit, 535 currency futures and (see Currency futures) definition of, 440 diagonal, 542 equal-dollar-value spread, 455–460 fundamentals and, 449 general rule (see General rule, spreads) historical comparison and, 448 intercommodity (see Intercommodity spreads) intercrop, 441, 460 intermarket, 442, 453 intramarket (or interdelivery), 441 limited-risk, 446–448 pitfalls and points of caution, 449–451 rather than outright - example, 445–446 reason for trading, 440–441 seasonality and, 449 similar periods, isolation of, 449