The Illusion of Control: When Overconfidence Harms Your Wallet

Have you ever felt absolutely certain about something, only to discover you were spectacularly wrong? Perhaps you were convinced you had predicted the outcome of a football match, chosen the fastest queue at the supermarket, or identified the best offer among a sea of products. This feeling of unwavering certainty, often unjustified, is a well-known psychological phenomenon called excessive confidence or overconfidence bias, and it finds fertile ground in the world of gambling.

🔮 The Bubble of Our Conviction

Overconfidence manifests in various forms. Primarily, it translates into an overestimation of one's predictive abilities, that is, the tendency to believe one is better than they actually are at predicting future outcomes. We think we have a special intuition, have developed a secret "strategy," or are simply "lucky." This bubble of self-conviction can be particularly dangerous when it comes to decisions that involve risk, such as those made when gambling.

Imagine playing Superenalotto. You know that the probability of winning the jackpot is minuscule, about $1$ in $56,035,790$. Yet, when you choose your numbers, you might feel unusually confident. Maybe you have a system of "lagging number" or "frequent" numbers, or you simply have a "good feeling." The latter is the purest manifestation of overconfidence: the idea that your intuition can bend the cold laws of probability in your favor.

🎯 Optimism Bias and the Planning Fallacy

Closely related to overconfidence is optimism bias, the tendency to overestimate the probability of positive events happening to us and to underestimate the probability of negative events. We believe we are less likely to get sick, be involved in a car accident, or, in the context of gambling, lose money. In practice, we perceive ourselves as "special," less subject to the general rules that apply to others.

Another manifestation is the planning fallacy, where one tends to underestimate the time or resources needed to complete a task, even when similar experiences have occurred in the past. In gambling, this translates into underestimating how much money one could lose or how much time one could dedicate to playing, despite past experiences. One thinks: "This time it will be different; I have a better plan."

🎲 When the Paths of Overconfidence Meet Gambling

In the context of gambling, overconfidence can lead to significant consequences:

• Higher stakes: If you are convinced you have a higher probability of winning, you might be tempted to bet higher sums than you otherwise would.
• Persistence in playing: After a loss, excessive confidence can push you to continue playing, convinced that the next play will be the winning one, leading to an escalation of commitment.
• Ignoring probabilities: Despite objective probabilities being clear (e.g., the low probability of a $7$ in a dice game, $P = \frac{6}{36} = \frac{1}{6}$), overconfidence can make them seem "manageable" or "overcomable" with one's skill.
• Selective information seeking: One tends to give more weight to information that confirms one's beliefs (e.g., the few winnings obtained) and to ignore information that disproves them (the many losses). This is an example of confirmation bias that further fuels overconfidence.

Consider an online poker player who has had a series of fortunate wins. They might develop an exaggerated belief in their strategic abilities, attributing wins to their skill rather than game variance. This could lead them to sit at tables with higher stakes or make riskier decisions, convinced they can "beat the system." The reality is that, in the long run, luck tends to balance out, and strategic skills have a limited impact if not supported by rational risk management.

🤔 Recognizing the Mental Deception

How can we defend ourselves from this mental trap?

• Awareness: The first step is to recognize that overconfidence is a common cognitive bias that affects everyone, without exception.
• Objective analysis: Focus on the real and objective probabilities of an event, rather than on your feelings or intuitions. If the probability of winning is $P(W) = 0.001$, do not delude yourself into thinking that for you it is magically $P(W) = 0.1$.
• Loss assessment: Keep track of your losses as much as your wins. This will give you a more realistic view of your overall balance and your actual "performance."
• Do not personalize outcomes: Roulette balls or lottery numbers do not "know" who you are or how much you want to win. They are random processes and are not influenced by your intentions or intuition.

Overconfidence, the illusion of having more control than one actually has, is a powerful driver that can lead to risky decisions and irrational behaviors, especially when it comes to gambling. Being aware of it is crucial for maintaining a balanced perspective and approaching gambling more responsibly.

Gambling can cause pathological addiction. Play responsibly. Gambling is forbidden for minors under 18 years of age. Source: adm.gov.it.