ResearchWhy Big Jackpots Are Shared More Often: What the Data Shows
How ticket sales drive the risk of splitting a big jackpot, explained with official figures and a simple Poisson calculation.
Independent analysis from official lottery data16 articles
Wisenum Insights
Data-driven insights for smarter play.
#Probabilities10 articles
Research
JackpotsLatest Big EuroMillions Jackpot: €130M Won in the UK
The latest big EuroMillions jackpot, €130M, was won on September 25, 2026 by a ticket bought in the UK. See what it shows about odds and sharing.
HistoricalHow EuroMillions Rules Have Changed Since 2004
How EuroMillions rules have changed since 2004: Lucky Stars, jackpot caps and odds, from 1 in 76,275,360 to 1 in 139,838,160, with sourced dates.
Player BehaviorQuick Pick vs Choose Your Own Numbers: Same Odds, Different Sharing
70–80% of Powerball and Mega Millions tickets are random. Quick pick vs choose your own numbers: same probability, different sharing patterns.
NewsMega Millions After 19 Rollovers: $321M and the Risk of Sharing
After 19 rollovers, the Mega Millions jackpot reached $321M: why that raises the risk of sharing the prize, but not the odds of winning.
Player BehaviorLottery Number Patterns: Why Players Choose the Same Numbers
Lottery number patterns: dates, lucky numbers and shapes on the slip. Wisenum data on how popular lines change the risk of sharing a win.
ResearchGambler's Fallacy and Due Numbers: What Research Really Shows
Why lottery players believe in due numbers. The psychology and mathematics behind the gambler's fallacy explained with real data.
StrategiesAvoid a Shared Jackpot: What Works and What Doesn't
How to avoid a shared jackpot: an unpopular line can reduce the risk of sharing a prize, but it never changes the probability of winning: 1 in 139,838,160.
Data AnalysisWas the EuroJackpot Draw of October 2, 2026 Really Rare?
Was the EuroJackpot draw of October 2, 2026 (04-06-07-17-45) really rare? Its sum is 79, yet its odds were 1 in 139,838,160, like any other line.
MathematicsMega Millions jackpot probability: what really changed in 2025
Since April 2025, the Mega Millions jackpot probability went from 1 in 302,575,350 to 1 in 290,472,336. The calculation, step by step.