Answer:
Wildcat.
Step-by-step explanation:
Speculation is the act of conducting a financial transaction through the purchase or sell of an asset with the risk of losing value, but with the expectation gaining major value.
This action was notorious of wildcat banks, which refer to the banks that operated outside federal administration from 1816 to 1863 in the US. These banks would commonly issue poorly backed bank notes and trick customers into investing in their business.