Reliability of Historical Financial Data


We have all heard the phrase “history repeats itself.” Yet, very few people apply long-term history to the art and science of investing. There is no better example of this than how the majority of modern investors, the most knowledgeable and technologically advanced in history, mishandled the 50% stock market corrections during the dotcom bust and the Great Recession. Learn about the time-tested investment tools outlined in Ken Winans’ award-winning financial history book, “Investment Atlas II,” and how to improve investment performance and reduce losses in future bull and bear markets.

Kenneth Winans (Part 1): History as an Investment Tool

Pros And Cons Of Tail Risk Funds

tail risk fundsEditor’s note: This article is part of a series ValueWalk is doing on tail risk hedge funds. The series is based on over a month of research and discussions with over a dozen experts in the field. All the content will be first available to our premium subscribers and some will be released at a Read More

Kenneth Winans (Part 2): Reliability of Historical Financial Data

Kenneth Winans (Part 3): Politics, War and Investing

Kenneth Winans (Part 4): Disasters, Pandemics and the Environment

Kenneth Winans (Part 5): Bubbles, Fads and Scandals

About the Author

Kenneth G. Winans, CMT, MBA is a successful investment management entrepreneur, award-winning author and astute financial historian. Over a long career, he has conducted investment research and designed investment strategies while serving as a portfolio manager, investment analyst and financial writer. Unique in the financial services industry, Ken has documented “track records” as a market strategist and portfolio manager. In fact, his proprietary research has led to an impressive record of accurate financial forecasts since 1991. He has also had much of his investment research published as headline articles by leading websites (including a widely-read column for, magazines and newspapers.

About the Museum of American Finance:

The Museum of American Finance, an affiliate of the Smithsonian Institution, is the nation’s only independent museum dedicated to preserving, exhibiting and teaching about American finance and financial history. With its extensive collection of financial documents and objects, its seminars and educational programming, its publication and oral history program, the Museum portrays the breadth and richness of American financial history, achievement and practices. For more information, visit or connect with the Museum on Facebook or Twitter.