Lottery: The Scam Isn't in the Drum, It's in the 40% Withheld

The lottery only returns 60% of what's collected: you pay €1 to get back €0.60 on average. These are the real odds for each draw and why almost...

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Lottery: The Scam Isn't in the Drum, It's in the 40% Withheld
Lottery: No Need to Rig the Drum to Lose Money

Is the lottery a scam? The short answer is that no trickery is needed for the business to be a success. It's enough to give back less in prizes than what comes in from ticket sales. For every euro wagered, the average return is around 60 cents, and the rest doesn't evaporate: it swells the organizer's coffers. Buying every possible ticket for the Christmas draw, with those numbers, is the most elegant way to lose 40% of your money with a clear conscience. That, and not an electromagnet hidden in a rubber ball, is the real mechanism of the scam.

The Real Odds for Each Draw

Dreaming of La Primitiva doesn't cost the same as dreaming of Euromillions, even though the dream costs about the same. The figures anyone can put on the table are these:

  • La Primitiva and Bono Loto: 1 in 13,983,816
  • El Rellenito de la Primitiva: 1 in 31,625,100
  • La Quiniela and El Quinigol: 1 in 4,782,969
  • ONCE lottery ticket: 1 in 15 million
  • Euromillions: up to 1 in 139,838,160
  • El Rellenito de Navidad: 1 in 100,000

Put into context, the data is jarring. Some recall that the probability of dying in the next two minutes, at age 20, is greater than hitting certain draws. And it's more worthwhile, always in statistical terms, to expect an inheritance that no one has claimed: in Spain, this happens once in every 40 million people.

Why There Are Almost Never Two First Prize Winners

This is where suspicion skyrockets. If the probability of winning is minuscule, how do you explain that the grand prize so often goes to no one, or at most to one or two lucky winners? The reasonable answer points to design and habit, not sabotage.

The organizer earns the same whether they distribute the jackpot among two or a hundred people; what changes for the winner is how much they get in their pocket. And habit matters: the most played numbers tend to be concentrated on birthdays, from 1 to 12 and from 1 to 31, with a clear dispersion towards "magic" numbers. Those who play combinations with sums between 131 and 180 move away from the pack where everyone else crowds. It's calculation, not a hunch.

Are the Draws Rigged?

The accusation of a fix is the crux of the matter and deserves argumentative respect. The draws are held in public and with a notary, the balls are seen falling live, and replacing the drum with a virtual system would be the step many point to as the beginning of the end of faith. But the suspicion has real precedents: there's the case of a daily draw in a distant country, broadcast live and with a notary, whose headquarters knew the numbers already sold by 8:00 PM because each seller had to close earlier; the winning number had almost never been sold. And in Italy, according to the legend that circulates, the winning combination was confirmed before the physical draw.

Then there's pure statistics. In four of the last five Euromillions draws, the stars were the same: 1 and 6. A scam? Not necessarily. Any specific sequence of stars has exactly the same probability as that, and the drum has no memory: if you return the ball to the receptacle, repeating a number a thousand times in a row is as likely as any other combination.

Who Plays and Why

The buyer's profile breaks many stereotypes. Some argue that the lottery is the tax for those who failed math, and some respond that one euro a week, four a month, thirty-six a year, doesn't change the life of anyone earning an average salary. Ten years of that euro saved in a box add up to about 500 euros; if you win, it changes the game. First-hand stories are told in pairs: the neighbor who hit 2.2 million on Bonoloto, a friend's father with five million pesetas in 1993, the one who won almost two kilos on La Primitiva and today lives somewhat annoyed because he didn't know how to manage it.

With these elements, those who demand proof that everything is rigged usually end up without it. And those who laugh at the players do too, because in their neighborhood, someone always wins. The drum isn't rigged. It's only profitable for the one who spins it.

Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (374 replies).

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