Detecting abnormal trading activities in option markets - Marc Chesney
We develop an econometric method to detect ?abnormal trades? in option markets, i.e., trades which are not driven by liquidity motives. Télécharger
Improved estimation of the covariance matrix of stock returns with an ...This paper proposes to estimate the covariance matrix of stock returns by an optimally weighted average of two existing estimators: the sample covariance A Case Study of the Hang Seng Index? Grey Wolf Optimization with CatBoost achieved the best results, with a Correction Coefficient of 0.9949. ? Model provides a valuable tool for Proud to Not Own Stocks: How Identity Shapes Financial DecisionsThis paper introduces a key factor influencing households' decision to invest in the stock mar- ket: how people view stockholders. Graphical Models in Financial Market and Portfolio AllocationWolf, Improved estimation of the covariance matrix of stock returns with an application to portfolio selection, Journal of Empirical Finance 10. (2003), no ?????? ? ???????? ???????????? ??????????? ??????? ? ...??????? ???????? ????????????? ????????? ?????????? ???????? ?????? ???????????: ?????????? ?????????? ? ????????????? ?????? ???????? ??????????? ?????? ? forum efbm 3.0??????? ?????: ????????? ??????????? ????????????, ????? ????????, ??????????? ????????, ????????? ?? ?????????, ?????????? ?????????. ?????, ????? ? ??????????? ? ????????? ???????????? ??????? ????????? ??????????? ???????-?????????? ???????????, ? ???? ????? ?????? ????????, ????????? ?? ????????? ???????? ????? ???????????? ?????????? ?????????? ?????? ?????? ?? ???????????????????????? ???????? ??????????? ?? ????????????? ?????????? ?????? ?????? ? ??????? ? ??????? ?????????? ??- ??? ????? ??? ??? ?????????. Modern Perspectives on Global Scientific Solutions??????????? ????????, ?????? ???????????, ????????? ????????????????. ????????. ???????? ??????? ???????? ? ????? ????????? ?????? ????????. ?????????? ? ?????????? ?????? ????????, ?????????? ???????? ???????. ?????? ????????? ????????, ???? ? ???????????? ??????????? ???????? ?? ???????- ????? ???????-???????????? ?????????? ? ?????????? ?????? ??????????? ?????????? ? ????????? ?????????? ?????????????? ???????? . 215. ?????????? ?????????. ???????? ??????????-???????????? ????????????? ???????????? ??????????? ???????? ??????? ?? ?????????? ? ...?? ???????? ??????? ???? ?????????, ?? ??????? ?????????? ?? ????????? ?????????? ???????? ?????????? ? ???????? ????????? ???????-.
