We study financial distributions within the framework of the continuous time random walk (CTRW). We review earlier approaches and present new results related to overnight effects as well as the generalization of the formalism which embodies a non-Markovian formulation of the CTRW aimed to account for correlated increments of the return.
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Length: Date of creation: Aug 2003 Date of revision:
Nov 2006 Publication status: Published in Physica A 379 (2007) 151-167 Handle: RePEc:arx:papers:cond-mat/0308017