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Stock Margin Call Price Calculator

P_call = P₀ · (1 − initial margin) / (1 − maintenance margin).

Compute the stock price at which a margin call is triggered, given the purchase price, the initial margin requirement, and the maintenance margin: P_call = P₀ · (1 − I) / (1 − M).

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

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Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

P_call = P₀ · (1 − I) / (1 − M)

In depth

Compute the stock price at which a margin call is triggered, given the purchase price, the initial margin requirement, and the maintenance margin: P_call = P₀ · (1 − I) / (1 − M).