Free tools
Free Investing Tools
Calculators and a market calendar you can use right away — no sign-up. When the math is done, go prove your calls.
Market Holidays & HoursIs the US or Korean market open now — hours in KST and every 2026 holiday.Overseas-Stock Tax CalculatorEstimate Korean capital gains tax on overseas stocks (₩2.5M deduction, 22%).CAGR CalculatorTurn amounts or a total return into a compound annual growth rate.Average-Down CalculatorNew average price after buying more, plus reverse target-price solving.Spending → Assets ConverterWhat your spending buys in Tesla, Bitcoin, or the S&P 500 — shares and coins.