Course 1 · Foundations

Money, Time and Interest

Money, Time and Interest is Kitalpha Course 1: 6 available lessons, about 2.5 hours, free. Every lesson is anchored to a live Kitalpha record (U.S. Treasury yields, the FOMC target range and the CPI release). General educational information only.

What an interest rate is, why a dollar today and a dollar next year are different amounts, and how compounding, discounting, inflation and quoting conventions change the number you read on a Treasury record. Six lessons on live Kitalpha data.

By · Editorial process on the press page
Published 17 September 2026
Free about 2.5 hours 6 available lessons · 53 min No prerequisites

What you will be able to do

  1. Define nominal and real interest rates and tell them apart on a live Treasury record.
  2. Calculate a future value under simple and compound interest from a quoted yield.
  3. Explain why present value discounts future cash, and compute one from a live yield.
  4. Interpret a policy interest rate from a central-bank record, and distinguish it from a retail rate.
  5. Distinguish a quoted annual rate from the effective annual rate it implies at a given compounding frequency.
  6. Describe how inflation erodes purchasing power, using a live consumer-price release.

Audience: Complete beginners; no prerequisites. Anyone who reads a yield, a policy rate or an inflation figure and wants to know what the number means.

Lessons

  1. 01
    What an interest rate is: the price of time

    Concept: interest as the price of time · 8 min

  2. 02
    Future value and compounding

    Concept: compounding · 9 min

  3. 03
    Present value: what a future dollar is worth now

    Concept: present value · 9 min

  4. 04
    Nominal versus real: what inflation leaves of a yield

    Concept: nominal versus real interest · 9 min

  5. 05
    APR versus effective rate: what a quoted rate leaves out

    Concept: compounding frequency · 9 min

  6. 06
    Inflation and purchasing power: a level and its rate of change

    Concept: inflation as the rate of change of a price index · 9 min

Mastery task

The course ends with a transfer task: 6 items on the newest Kitalpha record you have not seen, pass mark 80%. On a fail, the missed items map to their lessons and a review of those lessons is scheduled before a retake. A completion page is issued only on mastery. Go to the mastery task →

Optional: plan your study (once)

Write when, where and how you will study, plus one obstacle and how you will get past it. Stored on this device only.

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