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.
How Does an Interest Rate Cut Affect the Stock Market?

During their July meeting, the Federal Open Market Committee chose to lower the target Federal Funds Rate to 2% - […]

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When are Savings Account Balances Highest and Lowest?

In this post, we'll look at savings account balance by week in the United States. We examine which weeks balances […]

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Dollar Cost vs. Lump Sum Investing: What to Do with a Windfall

Dollar Cost Averaging (DCA) is oft-touted as the savior for all of investing's problems. Reality, on the other hand, is […]

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Inflation and Dividend Adjusted S&P 500 On July 19, 2019

I won't bury the lede: the all time closing high on the S&P 500, adjusted for inflation and reinvested dividends, […]

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Bond Yield to Worst Calculator (YTW)

On this page is a bond yield to worst calculator. Depending on the characteristics of a bond and its current […]

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Date Calculator: Add and Subtract to a Date

Below is a date calculator, where you can choose to add or subtract years, months, weeks, or days. Enter a […]

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Week Calculator: How Many Weeks Between Dates?

Below is a week between dates calculator. Enter a start date and an end date and the week calculator will […]

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Bond Yield to Call (YTC) Calculator

On this page is a bond yield to call calculator. It automatically calculates the internal rate of return (IRR) earned […]

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Age Difference Calculator: Compute the Age Gap

Below is an age difference calculator. Enter the birth dates for two people, and we'll tell you their age difference […]

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Days Since Date Calculator: See the Days from a Start Until a Date

Here is a days before today or a days since date calculator. Enter a date in history and we will […]

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