Buy low, sell high. / Koolen, Wouter; Vovk, Vladimir.
In: Theoretical Computer Science, Vol. 558, 2014, p. 144-158.Research output: Contribution to journal › Article › peer-review
Buy low, sell high. / Koolen, Wouter; Vovk, Vladimir.
In: Theoretical Computer Science, Vol. 558, 2014, p. 144-158.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Buy low, sell high
AU - Koolen, Wouter
AU - Vovk, Vladimir
PY - 2014
Y1 - 2014
N2 - We consider online trading in a single security with the objective of getting rich when its price ever exhibits a large upcrossing, without risking bankruptcy. We investigate payoff guarantees that are expressed in terms of the extremity of the upcrossings. We obtain an exact and elegant characterisation of the guarantees that can be achieved. Moreover, we derive a simple canonical strategy for each attainable guarantee.
AB - We consider online trading in a single security with the objective of getting rich when its price ever exhibits a large upcrossing, without risking bankruptcy. We investigate payoff guarantees that are expressed in terms of the extremity of the upcrossings. We obtain an exact and elegant characterisation of the guarantees that can be achieved. Moreover, we derive a simple canonical strategy for each attainable guarantee.
M3 - Article
VL - 558
SP - 144
EP - 158
JO - Theoretical Computer Science
JF - Theoretical Computer Science
SN - 0304-3975
ER -