Insider trading and Inside job

Insider trading noun - Buying or selling corporate stock by a corporate officer or other insider on the basis of information that has not been made public and is supposed to remain confidential.

Inside job and insider trading are semantically related In some cases you can replace phrase "Inside job" with "Insider trading", this phrases are similar.

Inside job noun - Some transgression committed with the assistance of someone trusted by the victim.

Insider trading and inside job are semantically related in transgression by someone inside a group topic. You can use "Insider trading" instead a noun phrase "Inside job".