Stock Calculator

Stock Profit Calculator

Purchase Price (per share)

Please enter a valid purchase price.

Sale Price (per share)

Please enter a valid sale price.

Number of Shares

Please enter a valid number of shares.

Commission (total, optional)

Tax Rate (%) (optional)

Results

Gross Profit/Loss:

Net Profit/Loss (after fees):

Return on Investment (ROI):

Net Return (after tax):

Formula: Gross = (Sale Price - Purchase Price) × Shares. Net = Gross - Commission. After Tax = Net × (1 - TaxRate/100). ROI = (Net / (Purchase Price × Shares + Commission)) × 100%.