CalKit

Stock Return Calculator

Calculate stock returns from buy and sell prices.

%
%
순수익
수익률 29.97%
1,498,275원

거래 내역

총 매수금액5,000,000원
총 매도금액6,500,000원
매수 수수료−750원
매도 수수료−975원
총 수수료−1,725원
매매차익1,500,000원
순수익1,498,275원
수익률29.97%

Overview

The Stock Return Calculator computes profit/loss and return rate from buy and sell prices. It factors in brokerage commissions and securities transaction tax to give you the accurate after-cost net profit.

Formula

Return (%) = ((Sell Price - Buy Price) / Buy Price) × 100. Net Profit = (Sell Price × Shares) - (Buy Price × Shares) - Buy Commission - Sell Commission - Transaction Tax. Transaction Tax = Sell Amount × 0.18%.

How to Use

  1. 1Enter the buy price per share and the number of shares.
  2. 2Enter the sell price per share.
  3. 3Enter the brokerage commission rate (%).
  4. 4Select the market (KOSPI/KOSDAQ).
  5. 5Click Calculate to view the return rate and net profit.

Tips

  • Using low-commission brokerage apps saves significant costs for frequent traders.
  • Korean domestic stock capital gains tax applies only to major shareholders, but overseas stocks are taxed at 22% on gains exceeding KRW 2.5 million annually.
  • Compare investments using annualized returns (CAGR) rather than simple returns for a fairer assessment.

FAQ

Q. What is the securities transaction tax?

The securities transaction tax is levied on the sale amount when selling stocks, currently at 0.18% for both KOSPI and KOSDAQ. It applies regardless of profit or loss and is charged only on sales, not purchases.

Q. How are overseas stock gains taxed in Korea?

Overseas stock gains are taxed at 22% (20% income tax + 2% local tax) on annual net gains exceeding the KRW 2.5 million basic deduction. Gains and losses across different stocks can be netted.

Q. Are buy and sell commissions different?

Brokerage commission rates are typically the same for both buying and selling. However, selling incurs the additional securities transaction tax, making the total sell-side cost higher than the buy-side cost.

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