Basic Investment opportunities exist in every setting. Both Finance (primary) and Economics as well as some statistical and mathematical competency can impact the outcome as well.
Passive Investment is nothing more than providing the investment wealth or money to be used as a stake in an investment opportunity. The investor places trust in the recipient of the stake and relies on their capability. This can be done without any relevant skills, but the returns are generally less.
Finding & Assessing Passive Opportunities:
This requires that an Investment Market be available for the character to directly invest in. This requires a secure Investment Hold that wealth and currency can be moved in and out of rapidly to take advantage of opportunities. This is usually done through a higher level of technology, and/or some method for swift, secure communication.
Finding & Assessing Active Opportunities:
30 Day Investment Cycle: Risk (Difficulty) vs. Relevant Capability (typically Finance) Skill check:
Using a base AM value, the Timed Activity modifiers; the Result Degree of the check is the multiplier on investment. Failure indicates double lost.