Author: PK

PK started DQYDJ in 2009 to research and discuss finance and investing and help answer financial questions. He's expanded DQYDJ to build visualizations, calculators, and interactive tools. PK lives in New Hampshire with his wife, kids, and dog.
Gold Return Calculator (Inflation Adjusted)

On this page we present a daily gold return calculator. Enter any two dates since January 2, 1968, and we'll […]

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Silver Investment Return Calculator (Inflation Adjusted)

On this page we present a daily silver return calculator. Enter any two dates since January 2, 1968, and we'll […]

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Platinum Investment Return Calculator (Inflation Adjusted)

On this page we present an automatically updating platinum return calculator. Enter any dates since January 31, 1980, and we […]

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Inflation Adjusted Palladium Investment Return Calculator

On this page we present a palladium return calculator. Enter any two dates since January 1, 1987, and we will compute […]

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BMI Percentile Calculator: Body Mass Indexes in the United States

On this page is a BMI percentile calculator for adults 18 and older in the United States in 2022. (Find […]

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BMI Percentile Calculator for Men and Women in the United States

On this page is a BMI percentile calculator for men and women (for Body Mass Index), 18 years old and […]

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S&P 500 Profit Margin History

On this page, you'll find an automatically updating history of the S&P 500 profit margin and the profit margin using […]

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S&P 500 Price to Sales Ratio (P/S Ratio)

On this page you'll find the current S&P 500 price to sales ratio (also known as the price to revenue […]

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Bond Convexity Calculator – Estimate a Bond's Price Sensitivity to Interest Rates

On this page is a bond convexity calculator. It will compute a bond's convexity as the second derivative of the bond's […]

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Bond Duration Calculator – Macaulay and Modified Duration

On this page is a bond duration calculator. It will compute the mean bond duration measured in years (the Macaulay […]

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