Ulcer Index
Calculate Ulcer Index instantly with the exact formula and a worked example.
Ulcer Index
Price 1
Price 2
Price 3
Price 4
Price 5
Price 6
Price 7
Price 8
Ulcer Index
5.843
Maximum drawdown
-12.38%
Change over period
+4%
Periods
8
More about: Ulcer Index
What it calculates
The “Ulcer Index” calculator computes Ulcer Index from 8 parameters: price 1, price 2, price 3, price 4, price 5, price 6, price 7, price 8.
Used by investors to estimate returns, project savings, and analyze a portfolio.
Example calculation
With parameters Price 1 = 100, Price 2 = 105, Price 3 = 98, Price 4 = 92, Price 5 = 97, Price 6 = 103, Price 7 = 108, Price 8 = 104 the result is 5.84 (Enter closing prices in order (days, weeks or months)).
How to use
- Enter price 1, price 2, price 3, price 4, price 5, price 6, price 7 and price 8 — each field above is adjustable with a slider.
- Ulcer Index is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
What is compound interest?
Compound interest means you earn returns not only on your original principal but also on previously earned interest. Formula: A = P · (1 + r/n)^(n·t). Over long periods this produces exponential growth.
How much do regular contributions matter?
A lot. Adding a fixed amount every month and reinvesting earnings dramatically increases the final value, especially over 20–30 years, because each contribution compounds for the remaining term.
What is the Rule of 72?
A quick estimate for doubling time: years ≈ 72 / annual return %. At 8% your money doubles in about 9 years; at 12%, in about 6 years.
What return rate should I assume?
Historically the S&P 500 has returned about 10% per year before inflation (around 7% after). Use a conservative figure for planning and remember that past performance does not guarantee future results.
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