Age, Biography and Wiki

William O'Neil (William J. O'Neil) was born on 25 March, 1933 in Oklahoma City, Oklahoma, U.S., is an American businessman (1933–2023). Discover William O'Neil's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 90 years old?

Popular As William J. O'Neil
Occupation Businessman · investor
Age 90 years old
Zodiac Sign Aries
Born 25 March 1933
Birthday 25 March
Birthplace Oklahoma City, Oklahoma, U.S.
Date of death 28 May, 2023
Died Place N/A
Nationality United States

We recommend you to check the complete list of Famous People born on 25 March. He is a member of famous Founder with the age 90 years old group.

William O'Neil Height, Weight & Measurements

At 90 years old, William O'Neil height not available right now. We will update William O'Neil's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.

Physical Status
Height Not Available
Weight Not Available
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Dating & Relationship status

He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

Family
Parents Not Available
Wife Not Available
Sibling Not Available
Children Not Available

William O'Neil Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is William O'Neil worth at the age of 90 years old? William O'Neil’s income source is mostly from being a successful Founder. He is from United States. We have estimated William O'Neil's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
Salary in 2023 Under Review
House Not Available
Cars Not Available
Source of Income Founder

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Timeline

1933

William Joseph O'Neil (March 25, 1933 – May 28, 2023) was an American businessman, stockbroker and writer.

William Joseph O'Neil was born on March 25, 1933, in Oklahoma City.

When he was 14, he moved to Dallas, where he later graduated from Woodrow Wilson High School.

1955

He studied business at Southern Methodist University, received a bachelor's degree in 1955 and served in the United States Air Force.

1958

In 1958, O'Neil started his career as a stockbroker at Hayden, Stone & Company, and developed an investment strategy which made early use of computers.

1960

In 1960, he was accepted to Harvard Business School's first Program for Management Development (PMD).

From his research, O'Neil invented the CAN SLIM strategy and became the top-performing broker in his firm.

He bought a seat on the NYSE at age 30 and became the youngest at that time ever to do so.

1963

He founded the stock brokerage firm William O'Neil & Co. Inc in 1963 and the business newspaper Investor's Business Daily in 1984.

O'Neil was the author of the books How to Make Money in Stocks, 24 Essential Lessons for Investment Success and The Successful Investor among others, and is the creator of the CAN SLIM investment strategy.

In 1963, he founded William O'Neil + Co. Inc., a company which developed the first computerized daily securities database and sold its research to institutional investors and tracks over 70,000 companies worldwide.

1972

Daily Graphs was launched by William O'Neil to produce Daily Graphs, a printed book of stock charts delivered weekly to subscribers in 1972.

1973

In 1973, he founded "O'Neil Data Systems, Inc.", to provide high-speed printing and database-publishing facilities.

The company now operates as O'Neil Digital Solutions and has operations in Los Angeles, Dallas and Monroe, North Carolina.

The firm provides data-driven publishing and marketing communications.

1984

In 1984, O'Neil made research from his database available in print form with the launch of Investor's Daily, a national business newspaper aimed to compete with The Wall Street Journal.

1991

In 1991, the publication's name was changed from Investor's Daily to Investor's Business Daily.

1998

In 1998, O'Neil launched Daily Graphs Online as a comprehensive online equity research tool and an extension of the Daily Graphs business he launched in 1972.

2002

He stated in a 2002 interview that one of the books which was an early influence on him was Gerald Loeb's The Battle for Investment Survival. According to O'Neil, this is the best book on the market.

Other investors he took great interest in were Bernard Baruch, Jesse Livermore, Jack Dreyfus, and Nicolas Darvas.

He also greatly admired Thomas Edison.

2007

In 2007, O'Neil started donating to his alma mater, Southern Methodist University and funded a chair in business journalism at SMU's Meadows School of the Arts, he then endowed a professorship in markets and freedom and created the William J. O'Neil Center for Global Markets and Freedom at the university's Cox School of Business.

O'Neil died on May 28, 2023, at age 90.

2010

In 2010, Daily Graphs Inc. and its service was re-branded as MarketSmith.

2015

As of 2015, the newspaper had a circulation of 113,000 and its website attracted 2.9 million visitors a month.

2016

In 2016, the newspaper changed its printing schedule to weekly, but continued to publish news daily on its website.

O'Neil was married and had four children.