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294 Expanding Opportunities<br />

F I G U R E 11-2<br />

Payoffs: Long Portfolio<br />

Portfolio<br />

Retum<br />

. Market<br />

Retum<br />

Shorting opportunities may also arise from management<br />

fraud, ”window-dressing” negative information, or negligence, for<br />

which no parallel opportunity exists on the long side.<br />

PORTFOLIO PAYOFF PAlTERNS<br />

Theoretical portfolio payoff patterns are illustrated in Figures 11-2<br />

.to 11-6 for separate long and short portfolios (the two building<br />

blocks of long-short portfolios), market-neutral portfolios, equitized<br />

portfolios with a permanent futures overlay, and hedge port<br />

folios with a variable futures position.<br />

In Figure 11-2, a long portfolio’s return is graphed agaht the<br />

stock market‘s return. The market portfolio itself is shown as a 45-<br />

degree upward-sloped dashed line intersecting origin. the The long<br />

portfolio is parallel to the market portfolio line but by higher the assumed<br />

amount of value-added, or alpha. .<br />

A short portfolio’s return is graphed in Figure 11-3. A baseline<br />

short market portfolio is a 45-degree downward-sloped dashed l

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