Pricing and static hedging of American-style options under the jump to default extended CEV model

JP Ruas, JC Dias, JPV Nunes - Journal of Banking & Finance, 2013 - Elsevier
This paper prices (and hedges) American-style options through the static hedge approach (SHP)
proposed by Chung and Shih (2009) and extends the literature in two directions. First, …

Pricing and static hedging of European-style double barrier options under the jump to default extended CEV model

JC Dias, JPV Nunes, JP Ruas - Quantitative Finance, 2015 - Taylor & Francis
This paper develops two novel methodologies for pricing and hedging European-style
barrier option contracts under the jump to default extended constant elasticity of variance (JDCEV…

Pricing and static hedging of American-style knock-in options on defaultable stocks

JPV Nunes, JP Ruas, JC Dias - Journal of Banking & Finance, 2015 - Elsevier
This paper applies the static hedge portfolio approach (SHP) of Chung et al. (2013) in two
new directions. First, the SHP approach is generalized from the constant elasticity of variance (…

Early exercise boundaries for American-style knock-out options

JPV Nunes, JP Ruas, JC Dias - European Journal of Operational Research, 2020 - Elsevier
This paper proposes a novel representation for the early exercise boundary of American-style
double knock-out options in terms of the simpler optimal stopping boundary of a nested …

A note on the Gumbel convergence for the Lee and Mykland jump tests

JPV Nunes, JP Ruas - Finance Research Letters, 2024 - Elsevier
The Lee and Mykland (2008, 2012) nonparametric jump tests have been widely used in the
literature but its critical region is stated with reference to the asymptotic distribution of the …

The early exercise boundary under the jump to default extended CEV model

JPV Nunes, JC Dias, JP Ruas - Applied Mathematics & Optimization, 2020 - Springer
This paper proves the existence, uniqueness, monotonicity and continuity of the early exercise
boundary attached to American-style standard options under the jump to default extended …

[PDF][PDF] O Sítio Submarino dos Cortiçais

…, MLP Blot, P Almeida, J Coelho, A Lucena, JP Ruas… - 2006 - dspace.uevora.pt
O presente texto é dedicado a todos aqueles protagonistas exteriore O presente texto é
dedicado a todos aqueles protagonistas exteriores a arqueologia que alimentam a sa …

In-out parity relations for American-style barrier options

JP Ruas, JPV Nunes, JC Dias - The Journal of Derivatives, 2016 - pm-research.com
Ruas, Nunes, and Dias find a solution to this problem that leads to a modified version of in-…
JP Nunes JP Ruas JC Dias “Pricing and Static Hedging of American-Style Knock-in Options …

Errata for the article “Pricing and static hedging of American-style options under the jump to default extended CEV model”

JPV Nunes, JP Ruas, JC Dias - Journal of Banking & Finance, 2017 - Elsevier
… This errata corrects an error in Ruas et al. (2013, Equation 27) and updates the
numerical results contained in Ruas et al. (2013, Tables 4 and 5). The material provided …

[PDF][PDF] Ecofarm–a Persuasive Game

JP Rua, R Prada, PA Santos - 2013 - ipca.pt
We developed a video game with the purpose of raising players' awareness for the conciliation
of agriculture with biodiversity in the region of Castro Verde and motivate the players to …