Detecting an Existence of Bubble Price in Indonesian Islamic Stock

Purpose –The implementation of the Islamic capital market in Indonesia applies principles participation that meets sharia i.e. non-bubble stock. Screening companies through methods applied by authority agencies with certain prerequisites actually cannot avoid speculative actions represent bubble price. This research intended to detect existence price Indonesian Stock Index. very useful for society grouping an asset was not enough get principe. The current model or tools analyse and bubble, application those method assets avalibale. In order appropriate principes, are allowed contain bubble. paper introduce principes establish using this analysis. An econometrical as well equation, according monthly data, Index (IDXS) variable analysed Right Tail Augmented Dickey Fuller (RTADF) approach. tool date-stamping more accurately than other tools. results shows stock existing even any prohibition selective instrument can from phenomenon. may exhibit value, but if play role, so these value fallen away.