Billy Walters excelled in sports betting to such an extent that numerous sportsbooks in Las Vegas cut ties with him during his prime in the 1990s and 2000s. He asserts that had sports prediction markets existed back then, he would currently possess billions.

During his appearance at the BetBash conference at Circa Las Vegas, a gathering focused on sports wagering, Walters shared his thoughts on prediction markets. Although they existed during his betting glory days, platforms for trading sports events have only recently emerged.
“Had prediction markets been operational 25 years ago, I would have accumulated a fortune of a hundred billion dollars.” – Billy Walters
“Had prediction markets been operational 25 years ago, I would have accumulated a fortune of a hundred billion dollars.”
Billy Walters
Patrick Everson from Vegas Insider was the first to highlight Walters’ insights on prediction markets.
Walters pioneered the use of computer algorithms to outsmart bookies in Las Vegas. He created a private betting organization that operated similarly to a hedge fund.
His operations leveraged data analysis and strategic line shopping, employing sophisticated algorithms alongside a team of mathematicians and statisticians to capitalize on betting opportunities.
At his peak, Walters reported managing wagers of over $20 million on typical college football Saturdays, spreading bets across 150 games through 1,600 different wagering accounts.
The Credibility of Walters’ Claims
Sportsbooks frequently impose restrictions or ban adept bettors and consistent winners like Walters. Had alternatives like prediction markets been available, he could have redirected his business efforts there.
During a recent earnings call, DraftKings CEO Jason Robins acknowledged that prediction markets attract significant betting from high-stakes gamblers.
“Our analysis indicates only about 1% overlap among customers between our sportsbook and the leading prediction market operator. Our internal findings suggest that 80% to 90% of prediction market activity in sportsbook states is driven by professional betting groups and institutional investors,” Robins stated.
As prediction markets operate on a peer-to-peer basis, they do not pit bettors against the house, reducing the likelihood of wagering limits. Additionally, these markets typically allow for more complex trading strategies, which can enhance liquidity and stimulate increased activity.
Walters’ Conviction for Insider Trading
Walters used his success in sports betting to create a conglomerate in Las Vegas, known as the Walters Group, which included various interests such as car dealerships, rental car businesses, commercial property, and the Bali Hai Golf Club.
While he couldn’t directly apply his betting acumen to Wall Street trades, he adeptly navigated the stock market in other ways.
Just as he sought advantages in betting, Walters discovered an edge in Dean Foods, thanks to a tip from the chairman, who owed him money. This insight led to a profit of $32 million and helped him avert $11 million in losses through stock trading.
The scandal received widespread media coverage after golfer Phil Mickelson, a close friend of Walters, was reported to have earned $2 million related to Dean Foods. Mickelson was not charged but chose to forfeit his earnings.
In 2021, President Donald Trump commuted Walters’ sentence. Walters alleges that Steve Wynn advocated against granting him a pardon.

