A longshot is an outcome the market prices as unlikely, trading at a low price that implies a small chance.
Last reviewed 29 September 2025 · Educational, not advice
A longshot is the cheap end of a market. A contract priced at a few cents implies the market thinks the outcome is improbable. Because the price is low, the potential payoff if it does happen is large in proportion to the cost, since a contract that settles at one dollar bought for five cents would return many times the stake. That combination of low cost and large multiple is what makes longshots tempting.
The catch is in the word unlikely. A low price is a low price for a reason. Most of the time a longshot expires worthless, and the rare large payoff has to be set against the many small losses that come before it. A longshot is not a free lottery ticket. It is a low probability paid for at the price of that probability.
There is a well documented pattern in betting markets known as the longshot bias. It describes a tendency for unlikely outcomes to be overpriced relative to how often they actually occur, while favourites are relatively underpriced. Where the bias holds, longshots return less on average than their price would suggest, which is the opposite of the bargain they can feel like. The pattern is a tendency, not an iron law, and it does not apply uniformly across every market.
The practical lesson is to weigh a longshot by its expected value rather than by the size of the prize. A large payoff that almost never arrives can still be a poor decision once the rarity and the fees are counted. We do not recommend any position, and a low price is never a signal that something is due. Stake only what you can afford to lose.
A longshot trades at five cents, implying about a five percent chance. If it comes in, each contract settles at one dollar, roughly twenty times the cost. That multiple is the appeal.
But at a true five percent chance, you would expect to lose your five cents nineteen times for every one time it pays. The large win and the many losses roughly cancel before fees. If the longshot bias is at work and the real chance is below five percent, the price is too high and the expected value is negative. The size of the prize tells you nothing on its own.
Understanding how these markets work does not make trading safe. Prediction markets can lose you money, and a confident price can still be wrong. Stake only what you can afford to lose, never to chase a loss, and never on borrowed money. If it stops feeling like a free choice, step back. In the United States you can call or text the helpline on 1-800-GAMBLER or visit ncpgambling.org.
A longshot is an outcome the market prices as unlikely. Its contract trades at a low price, which implies a small chance. It is cheap to buy and pays a large multiple if it comes in, but it comes in rarely, so most of the time it expires worthless.
The longshot bias is a pattern observed in betting and some markets where unlikely outcomes tend to be overpriced relative to how often they actually occur. If it holds, longshots return less on average than their price suggests. It is a tendency, not a rule, and it does not apply uniformly.
There is no reason to think so. A low price reflects a low chance, the large payoff is balanced by the rarity of winning, and the longshot bias may make the expected value worse, not better. We do not recommend any position. Stake only what you can afford to lose.
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