Erik Nayman is an investment manager and researcher specializing in macroeconomics and financial markets. He has been active in financial markets since 1995, managing client assets and leading investment divisions at major financial institutions.
He is the founder of HUG’S, an investment company and one of the first robo-advisors in the Eastern European market. His research focuses on investment inflation, monetary policy transmission mechanisms, and asset allocation strategies.
The Investment Price Index (IPI) is the result of his multi-year research into measuring the real cost of acquiring investment assets, addressing a significant gap in traditional inflation metrics like CPI.
Selected Publications & Books
- "The Path to Financial Freedom" (2009) — A comprehensive guide to professional trading and investment.
Nayman, E. L. (2009). Put’ k finansovoi svobode. Moscow: Alpina Business Books. ISBN 978-5-9614-1027-3. - "How to Buy Low and Sell High" — A guide for the intelligent investor in the era of demographic transition.
View on Alpina Publishers → - "Good Assets: Investor's Handbook" — A systematic guide to selecting assets and portfolio construction.
Electronic Edition on Patreon → - "Trader-Investor" — The psychology and mathematics of financial markets.
- "Small Encyclopedia of a Trader" — Fundamental and technical analysis, risk management.
- "Master Trading: Secret Files" — Advanced technical analysis methodologies.
Areas of Expertise
About IPI Project
- Type:Fisher Chain Price Index
- Target:Cost of Investment Basket
- Frequency:Monthly
- Weights:Time-varying (FRB Z.1)
- Base:1959=100 & 1913=100
IPI measures the price level of assets held by US households. It is strictly a price index, not a total return index.
Reproducibility & Data
Note: Weights are updated quarterly following Z.1 releases. Historical values may be revised.
How to Citev1.2
Last updated: Feb 2026
Disclosures
Independent Research: The IPI project is an independent research initiative. S&P 500® and FRB data are used for research purposes only; this project is not endorsed by these entities.
Not Investment Advice: All data and analysis are for informational purposes only. The author is an investment manager and may hold positions in assets discussed.
Corrections & Peer Review
We welcome peer review and corrections. Please report any data issues or methodology questions.
Report an issue / Contact Author →