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DCF · Monte Carlo · Sensitivity
GOLD (Au)
Revenue = Ore (t) × Grade (g/t) × Recovery (%) × Price ($/oz) ÷ 31.1035
Ore & Production
Total ore reserve
Mt
Annual production rate
Mtpa
Head grade
g/t
Metallurgical recovery
%
Revenue
Revenue formula:  Ore × Grade (g/t) × Recovery × Price ($/oz) ÷ 31.1035
Gold price
$/oz
Royalty rate
%
Refining & transport
$/t ore
Costs
All-in sustaining cost (AISC)
$/t ore
Initial capex
$M
Annual sustaining capex
$M/yr
Closure & rehab cost
$M
Financial Parameters
Discount rate (WACC)
%
Tax rate
%
Construction period
yrs
Price escalation
%/yr
Monte Carlo Uncertainty (±% from base)
Price uncertainty
%
Grade uncertainty
%
AISC uncertainty
%
Capex uncertainty
%
Annual cash flow ($M)
Key financials
Cumulative NPV ($M)
NPV distribution — 5,000 Monte Carlo simulations
Tornado chart — NPV sensitivity
Each bar shows NPV impact of ±1σ change in that variable, all others held at base case.
Percentile outcomes