D.S. Williamson

Biography:

Since 2008, D.S. Williamson has written about sports and sports handicapping. His philosophy is value-based, meaning stats and other handicapping factors are only worth something in comparison to wagering odds. He believes money management and making value-based wagers is the single more important factor that distinguishes successful sports bettors from non-successful sports bettors.

How to Build a Sports Betting Model: Data, Probability, Backtesting & Expected Value

How to Build a Sports Betting Model: Data, Probability, Backtesting & Expected Value

Written by on September 29, 2026

Last updated: September 2026 Picking winners is only part of sports betting. The price has to work, too. A sports betting model turns available data into a probability estimate, then compares that estimate with the odds you could actually take. Start with one market, a clear decision time and an honest test on unseen games. What Does a Sports Betting … click title for full article.
NFL Betting Market Analysis: How to Read Opening Lines, Line Movement, and Closing Line Value

NFL Betting Market Analysis: How to Read Opening Lines, Line Movement, and Closing Line Value

Written by on September 28, 2026

Last updated: September 2026 You liked the underdog at +3.5 on Monday. By Sunday, it’s +3. Same team and game, but a different bet. Before placing it, you need to know what changed, whether the move matters, and whether the price available now still fits your analysis. This guide explains how to track NFL opening lines, read movement in both … click title for full article.
How Do Blackjack Bets Work Online? A Beginner's Guide to Online Blackjack Wagers

How Do Blackjack Bets Work Online? A Beginner’s Guide to Online Blackjack Wagers

Written by on September 25, 2026

Last updated: September 2026 Online blackjack bets start with an opening wager placed before the cards are dealt. From there, the amount at risk can increase through decisions such as doubling down, splitting pairs, taking insurance, or adding side bets. In simple terms, online blackjack betting is the process of choosing how much to wager, then deciding whether to increase … click title for full article.
How to Use Trends to Predict Outcomes in Sports Betting

How to Use Trends to Predict Outcomes in Sports Betting

Written by on September 25, 2026

Last updated: September 2026 To use trends to predict outcomes in sports betting, treat them as evidence that can improve a probability estimate—not as guarantees of future results. Define the market you are analyzing, identify a measurable factor such as rest, travel, injuries, matchup history, or betting activity, test the trend against future games, and compare your estimated probability with … click title for full article.
Splitting Cards in Online Blackjack: When to Split, When to Avoid, and Why It Matters

Splitting Cards in Online Blackjack: When to Split, When to Avoid, and Why It Matters

Written by on September 24, 2026

Last updated: September 2026 Splitting cards is one of the most important strategic decisions in online blackjack. When you are dealt a pair, the choice to split or keep the hand together can change your expected outcome, bankroll exposure, and long-term results. In practical terms, splitting gives you two separate hands instead of one, but it also requires a second … click title for full article.
UFC Betting Picks: How to Handicap UFC & MMA Fights

D.S. Williamson’s Latest UFC Betting Picks and Predictions

Written by on September 24, 2026

Last updated: September 2026 D.S. Williamson’s latest MMA betting picks feature Rinya Nakamura at -350, Tina Black at -276, Rodolfo Vieira at -157, and Raul Rosas Jr. at -183. Nakamura is the strongest favorite of the four matchups, while Melissa Amaya at +204 and Robert Bryczek at +122 provide plus-money underdog angles. The analysis considers finishing ability, recent form, physical … click title for full article.
2026 NFL Week 3 Picks and Predictions

2026 NFL Week 3 Picks and Predictions

Written by on September 23, 2026

Last updated: September, 2026 Our writers’ featured 2026 NFL Week 3 picks include Bills -7, Browns +3, Saints -3, Bears +4.5, Bengals -3.5, Seahawks -6.5, Eagles -3.5, Panthers vs. Browns Under 41.5, Chiefs vs. Dolphins Under 45.5, and Ravens vs. Cowboys Over 51.5. D.S. Williamson is backing Buffalo -7, Cleveland +3, New Orleans -3, and Chicago +4.5, while Henry Watkins’ … click title for full article.
Both Teams to Score (BTTS) Betting Explained: How BTTS Works in Soccer Betting in Sportsbooks

Both Teams to Score (BTTS) Betting Explained: How BTTS Works in Soccer Betting

Written by on September 23, 2026

Last updated: September 2026 Both Teams to Score (BTTS) is a soccer betting market where you wager on whether both teams will score at least one goal during regulation time. A BTTS Yes bet wins when each team scores, regardless of which team wins the match. A BTTS No bet wins when at least one team is held scoreless. For … click title for full article.
UEFA Nations League Picks & Predictions: Futures, League A-D

UEFA Nations League Picks & Predictions: Futures, League A-D

Written by on September 23, 2026

Last updated: September 2026 UEFA Nations League picks for 2026-27 include Spain, England, France, Italy, Scotland, Switzerland, Finland, Iceland, and Latvia across League A through League D. D.S. Williamson selects England to win the Nations League and Italy +3500 as his long-shot futures pick, while Henry Watkins selects Spain in League A, Scotland and Switzerland in League B, Finland and … click title for full article.
Slot Volatility Explained: Risk, Payout Frequency, and Smart Strategy

Slot Volatility Explained: Risk, Payout Frequency, and Smart Strategy

Written by on September 22, 2026

Last updated: September 2026 If you’ve ever played slots for a while, you’ve probably noticed that not all games feel the same. Some produce smaller wins more often, while others can go through longer stretches without a payout before producing a much larger hit. That difference is largely explained by volatility. Slot volatility doesn’t change your odds of winning—it describes … click title for full article.
What Are Crash Casino Games? How Multipliers, Cash Out and RTP Work

What Are Crash Casino Games? How Multipliers, Cash Out and RTP Work

Written by on September 22, 2026

Last updated: September 2026 Crash casino games are multiplier-based games where the number climbs until the round suddenly ends, or crashes. The job is simple: cash out before the crash or the wager is gone. These fast online crash games do not play like most online casino games, and watching old results is not a crystal ball. Past results do … click title for full article.
How the English Soccer System Works: English Football Pyramid Guide

How the English Soccer System Works: English Football Pyramid Guide

Written by on September 22, 2026

Last updated: September 2026 Quick Answer The English soccer system works as an open pyramid of connected leagues. The Premier League is tier one, followed by the EFL Championship, League One, League Two, and the National League. Clubs move between levels through promotion and relegation, with playoffs deciding some of the final promotion places. Below the National League, the English … click title for full article.
What Does -110 Mean in Sports Betting? Odds, Payouts, Vig & Break-Even Rate

What Does -110 Mean in Sports Betting? Odds, Payouts, Vig & Break-Even Rate

Written by on September 21, 2026

Last updated: September 2026 Quick AnswerTable of ContentsQuick AnswerWhat Does -110 Mean in Sports Betting?How Much Does a -110 Bet Pay?How Do You Read a Point Spread Listed at -110?Why Are Point Spreads and Totals Often Priced at -110?What Is the Implied Probability of -110 Odds?Why Is the Break-Even Win Rate 52.38% Instead of 50%?How Does Vig Work in a … click title for full article.
NFL Alternate Lines Explained: How Alternate Spreads and Totals Work

NFL Alternate Lines Explained: How Alternate Spreads and Totals Work

Written by on September 21, 2026

Last updated: September 2026 NFL alternate lines let bettors choose a different point spread or game total from the sportsbook’s standard line. The selected number and price change together: a more favorable winning condition normally costs more, while a harder number can offer a larger potential payout. Alternate lines can apply to spreads and totals, giving bettors more ways to … click title for full article.