Empirical performance of alternative option pricing models
Substantial progress has been made in developing more realistic option pricing models.
Empirically, however, it is not known whether and by how much each generalization improves …
Empirically, however, it is not known whether and by how much each generalization improves …
Stock return characteristics, skew laws, and the differential pricing of individual equity options
This article provides several new insights into the economic sources of skewness. First, we
document the differential pricing of individual equity options versus the market index and …
document the differential pricing of individual equity options versus the market index and …
Delta-hedged gains and the negative market volatility risk premium
We investigate whether the volatility risk premium is negative by examining the statistical
properties of delta-hedged option portfolios (buy the option and hedge with stock). Within a …
properties of delta-hedged option portfolios (buy the option and hedge with stock). Within a …
Spanning and derivative-security valuation
This article provides the economic foundations for valuing derivative securities. In particular,
it establishes how the characteristic function (of the future uncertainty) is basis augmenting …
it establishes how the characteristic function (of the future uncertainty) is basis augmenting …
Baby boom, population aging, and capital markets
This article tests how demographic changes affect capital markets. The life-cycle investment
hypothesis states that at an early stage an investor allocates more wealth in housing and …
hypothesis states that at an early stage an investor allocates more wealth in housing and …
The spirit of capitalism and stock-market prices
… which appears to resemble the pricing equation of Larry G. Epstein and Stanley E. Zin ( …
for Model 2 given by: C * = g(xt, t)W*, for some "well-behaved" function g(xt, t). Substituting this …
for Model 2 given by: C * = g(xt, t)W*, for some "well-behaved" function g(xt, t). Substituting this …
Prostate-only versus whole-pelvic radiation therapy in high-risk and very high-risk prostate cancer (POP-RT): outcomes from phase III randomized controlled trial
…, G Panigrahi, R Krishnatry, G Bakshi… - Journal of Clinical …, 2021 - ascopubs.org
PURPOSE We report the clinical outcomes of a randomized trial comparing prophylactic
whole-pelvic nodal radiotherapy to prostate-only radiotherapy (PORT) in high-risk prostate …
whole-pelvic nodal radiotherapy to prostate-only radiotherapy (PORT) in high-risk prostate …
Pricing and hedging long-term options
Do long-term and short-term options contain differential information? If so, can long-term
options better differentiate among alternative models? To answer these questions, we first …
options better differentiate among alternative models? To answer these questions, we first …
A theory of volatility spreads
This study formalizes the departure between risk-neutral and physical index return volatilities,
termed volatility spreads. Theoretically, the departure between risk-neutral and physical …
termed volatility spreads. Theoretically, the departure between risk-neutral and physical …
Do call prices and the underlying stock always move in the same direction?
This article empirically analyzes some properties shared by all one-dimensional diffusion
option models. Using S&P 500 options, we find that sampled intraday (or interday) call (put) …
option models. Using S&P 500 options, we find that sampled intraday (or interday) call (put) …