695 Index Option trading strategies, 487–555 comparing, 487–489 hedging applications and, 554–555 multiunit strategies, 543–544 optimal, choosing, 544–554 profit/loss profiles (see Profit/loss profile) spread strategies, other, 542–543 Orders, types of, 16–19 Ordinary least squares (OLS), 654 Organization of the Petroleum Exporting Countries (OPEC), 356, 425 Original trading systems, 261–278 run-day breakout system, 268–273 run-day consecutive count system, 273–278 wide-ranging-day system (see Wide-ranging-day system) Oscillators, 167–170, 255 Out-of-the-money call, buying, 555 Out-of-the-money options: definition of, 480 delta values and, 485 Outright positions, spread tables and, 440, 441 Overbought/oversold indicators, 198–199 Parabolic price moves, 585 Parameter(s): definition of, 291, 606 types of, 292–293 Parameter set: average performance, 311 definition of, 291 Parameter shift, trend-following systems and, 247 Parameter stability, optimizing systems and, 297 Past performance, evaluation, 319–341 investment insights, 343 return alone, 319–322 risk-adjusted return measures, 323–335 visual (see Visual performance evaluation) Patience, virtue of, 580–581 Pattern(s). See also Chart patterns; Continuation patterns; One-day patterns market, 572–573 seasonal, 415 Pattern recognition systems, definition of, 237 Penetration of top and bottom formations, 225–229 Observations, market. See Rules, trading OCO (one-cancels-other) order, 18 Oil. See Crude oil market; Heating oil; WTI crude oil “Old hand” approach, 373 OLS (Ordinary least squares), 654 One-cancels-other (OCO) order, 18 One-day patterns: about, 109–123 spikes, 109–113 One-tailed test, 614, 617 One-year comparisons, 350 OPEC. See Organization of the Petroleum Exporting Countries’ (OPEC) Open interest, volume and, 9–10 Open-mindedness, 585 Optimization: definition of, 297 past performance and, 313 Optimization myth, 298–310 Optimizing systems, 297–298 Option(s): fair value of, theoretical, 483 qualities of, 489 Option premium curve, theoretical, 481 Option premiums, 480–483 components of, 480 interest rates and, 482–483 intrinsic value and, 480 strike price and current futures price, 480–481 theoretical versus actual, 483–484 time remaining until expiration, 481–482 time value and, 480–483 volatility and, 482 Option-protected long futures: long futures + long at-the-money put, 520–521 long futures + long out-of-the-money put, 522–523 Option-protected short futures: short futures + long at-the-money call, 523–524 short futures + long out-of-the-money call, 524–525 Options on futures, 477–485 about, 477–479 delta and (neutral hedge ratio), 484–485 option premiums and (see Option premiums)