How do you value a junior mining company?

A junior explorer usually has no revenue, so traditional earnings multiples do not apply. Investors value them on a mix of asset value and optionality:

• Market cap per ounce/pound: enterprise value divided by contained metal in the resource (EV per resource ounce). Lets you compare a deposit's market price against peers and against producers.
• Cash and burn rate: how much money is in the bank versus quarterly spend. A junior with months of runway faces near-term dilution.
• Project quality: grade, width, depth, metallurgy, jurisdiction risk, and infrastructure.
• Stage and catalysts: drilling, a maiden resource, a PEA — each de-risking step can re-rate the stock.
• People: management's track record of making discoveries and not over-diluting.

For pre-resource explorers, valuation is largely the market's probability-weighted bet on a discovery — inherently speculative. Disciplined investors anchor on capital structure (fully-diluted shares, warrants) and cash, because those are knowable when the geology is not.