Ralph Vince - Portfolio Mathematics

(Brent) #1

JWDD035-Ind JWDD035-Vince February 22, 2007 17:38 Char Count= 0


420 INDEX


Nonstationary distribution, 26
Normal Distribution, 8–11, 17, 52
standardized, 55
working with, 54–59
Normal Probability Distribution.See
Normal Distribution
Numbers game, 20–21, 22

Odds.SeeProbability statement
One-tailed probabilities, 62, 76
Optimalf, xvii, xviii, xix, 117–205, 209,
215–217, 226–229, 231–232,
277–281, 298, 311–312, 335–340,
342, 345
asymmetrical leverage, 118–120
characteristics of, 175–205
arc sine laws and random walks,
194–197
combined bankroll versus
separate bankrolls, 180–182
drawdown, time spent in, 197–198
geometric mean, estimated,
198–201
optimalffor small traders just
starting out, 175–176
portfolio insurance and, 335–340
sensitivity to the biggest loss,
193–194
simultaneous wagering or
portfolio trading, efficiency loss
in, 185–188
specified goal, time required to
reach, 188–191
threshold to geometric, 177–180
trading, fundamental equation of,
202–203
trading systems, comparing,
192–193
treating each play as if infinitely
repeated, 182–185
whyfis optimal, 203–205
consequences of straying too far
from, 145–151
definition, 117–118
drawdown and largest loss with,
141–145

equalizing, 151–157
figuring geometric mean using
spreadsheet logic, 127
finding by the geometric mean,
122–125
finding via parabolic interpolation,
157–162
geometric average trade, 127–128
importance of, 132–140
Kelly formula, 24, 120–122
in mean variance portfolios,
277–281
scenario planning, 162–173
scenario spectrums, 173–174
simpler method for finding, 128–130
virtues of, 130–132

Parabolic interpolation, 157–162, 315
Pareto-Levy distributions.SeeStable
Paretian distribution
Pari-mutuel betting, 21–24
horse racing and, 23–24
Pearson, Karl, 97
Pearson’s coefficients of skewness, 50
Pearson’s r.SeeLinear correlation
coefficient
Phase length test, 39–40
Point of inflection, 355–358
Poisson Distribution, 52, 81–85
Portfolio and systems management,
367–376
long-term trend followers
commonalities, 368
differences, 368–369
further characteristics of, 369–372
Portfolio construction, classical,
231–260
Markowitz model, 232–235
Modern Portfolio Theory, 231–232
problem, definition of the, 235–246
row-equivalent matrices, solutions
of linear systems using, 246–252
results, interpreting the, 252–260
Portfolio insurance, 335–340
Portfolio Management Formulas
(Vince), 315
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