Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

What would be the signs of a bubble in silver?
How I recognize a silver bubble: I don't think silver is in a bubble. You state: What goes up, must come down I'm not sure I agree with this.  Yes, prices fluctuate.  But most prices generally go up over time due to inflation - somethings more than others. Was coffee in a bubble in early 2005?    If you thought so then you would have missed this:  Was gold in a bubble in Argentina in 2001?  If you thought so then you would have missed this (sorry for the mismatching chart scales):  Was gold in a bubble in Weimar in 1922?  If you thought so then you would have missed this:  Maybe US farmland is in a bubble since prices are rising rather dramatically.  I don't think it is in a bubble since I rarely hear anyone talking about investing in farmland: