It's valuable because you can, if you do some research, make some pretty educated guesses about what the floor is in the gold market. That tells you whether you are risking 10%, 25%, 75%, or 90% of your money while speculating.
And, uhh, if you don't know why having a good idea of your potential downside is useful when investing, maybe consider finding a trustworthy financial adviser?
And, uhh, if you don't know why having a good idea of your potential downside is useful when investing, maybe consider finding a trustworthy financial adviser?