Final answer:
The broker's fraudulent behavior of not admitting to being the optionee on a purchase is punishable by law, with potential penalties such as fines or imprisonment.
Step-by-step explanation:
In the scenario given, the broker is engaging in fraudulent behavior by withholding important information about being the optionee on a purchase. This behavior is punishable by law, as it violates the principles of honesty and transparency that underpin the legal system.
The specific punishment for this action will depend on the jurisdiction and the applicable laws. In general, penalties for fraudulent acts in the realm of finance can include fines, imprisonment, or both.
It is important to consult legal professionals or review the relevant laws in your specific jurisdiction for accurate information about the potential punishment for this behavior.