skills/smithery.ai/compute-precious-miner-gross-margin

compute-precious-miner-gross-margin

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SKILL.md

<essential_principles>

礦業毛利率代理(Margin Proxy)使用簡化公式:

gross_margin_proxy = (metal_price - unit_cost) / metal_price

其中:

  • metal_price:金屬現貨價或期貨近月價
  • unit_cost:AISC (All-In Sustaining Cost)、現金成本(C1)或全成本

此指標不等同會計報表的毛利率,但能快速捕捉價格-成本關係的邊際變化。

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