A cryptocurrency rises 20% in a few days. Investors who were previously cautious start talking about the next big opportunity. Social media fills with price predictions, screenshots of profits and claims that the rally has only just begun.
Then the market turns. Prices fall, confidence disappears and the same investors begin wondering whether they should sell before things get worse.
The asset has not necessarily changed as much as the way people feel about it.
This is one of the central problems in cryptocurrency investing: decisions are often influenced by emotions and mental shortcuts rather than by a consistent assessment of risk. Understanding these psychological patterns does not guarantee better results, but it can help explain why people buy too late, sell too early or hold an investment for the wrong reasons.
HODL, Buy and Sell: Three Different Decisions
The terms HODL, buy and sell are common in crypto discussions, but they represent different approaches to market behaviour.
HODL means holding a cryptocurrency rather than selling it in response to short-term price movements. The term originated as a misspelling of “hold” in an online Bitcoin discussion and later became part of crypto culture.
For some investors, holding reflects a long-term view of an asset’s potential. For others, it becomes a way to avoid making an uncomfortable decision. There is a significant difference between holding because the original investment thesis remains valid and holding simply because selling would mean accepting a loss.
Buying means committing money to an asset at its current market price or through an order placed at a chosen price. The decision should involve more than believing that a cryptocurrency will rise. It also requires considering the reasons for buying, the amount of risk involved and what would invalidate the original idea.
Selling means reducing or closing a position. It can be motivated by a change in the investment thesis, a need to rebalance a portfolio, a predetermined target or a decision to limit losses.
None of these actions is inherently right or wrong. Their quality depends on the reasoning behind them.
FOMO: Buying Because Everyone Else Is Buying
Fear of Missing Out, commonly known as FOMO, is the anxiety that an opportunity will disappear if you do not act immediately.
In cryptocurrency markets, FOMO often appears during sharp price increases. A coin that was relatively unknown becomes popular, online discussions multiply and people begin sharing screenshots of gains.
An investor who had no interest in the asset a week earlier may suddenly feel that buying is essential.
The problem is that popularity is not proof of value. A rising price can attract attention, and that attention can encourage more buying. But the same process can reverse when enthusiasm fades.
Research published in Psychology & Marketing examined how FOMO appeals influence cryptocurrency investment decisions. Its findings suggest that these messages can encourage investment activity, including repeated decisions after previous losses.
A practical warning sign is the thought: “If I don’t buy now, I’ll never get another chance.”
Markets rarely offer only one opportunity. More importantly, a decision made under pressure is unlikely to include a careful assessment of what could go wrong.
Before buying an asset that has suddenly attracted attention, it is worth asking:
- What do I know about this project beyond its recent price increase?
- Why am I interested in it now?
- Would I still consider buying if nobody were discussing it online?
- What evidence would make me change my mind?
If the only reason to buy is that other people appear to be making money, the decision is being driven by social pressure rather than independent analysis.
Loss Aversion: Why Losing Hurts More Than Winning Feels Good
One of the best-known concepts in behavioural finance is loss aversion.
It describes the tendency for people to experience losses more strongly than equivalent gains. Losing $500 may feel more painful than the satisfaction of gaining $500.
This imbalance can influence both buying and selling decisions.
Imagine someone buys a cryptocurrency for $2,000. Its market value later falls to $1,400. The investor decides not to sell because doing so would make the loss real.
Instead, they wait for the price to return to $2,000.
The problem is that the original purchase price does not determine what the asset is worth today. Nor does it tell us what its future price will be.
The investor is focusing on recovering the past rather than evaluating the present.
This behaviour is related to the disposition effect: the tendency to sell investments that have gained value while holding on to those that have lost value. Research has identified this pattern in Bitcoin investment behaviour as well.
Loss aversion can also produce the opposite mistake. An investor may sell a position that has increased in value simply because they are afraid the profit will disappear.
In both situations, the decision is being shaped by the emotional experience of gains and losses rather than by a consistent evaluation of the investment.
Confirmation Bias: Only Listening to People Who Agree With You
Once investors form an opinion about a cryptocurrency, they may start looking for information that supports it.
Someone who believes Bitcoin will reach a new price record may follow analysts who share that view, pay attention to positive headlines and dismiss negative evidence as temporary market noise.
This is known as confirmation bias.
It can become particularly strong in online communities, where investors often gather around specific projects. Members may share useful technical information, but they can also reinforce one another’s assumptions.
The same behaviour happens in the opposite direction. Someone who believes a cryptocurrency is worthless may focus exclusively on negative information and ignore evidence that challenges that position.
A more balanced approach is to actively look for arguments against your own view.
For example, if you are considering buying a token, investigate:
- What problem does the project claim to solve?
- Is there evidence that people actually use it?
- Who controls its supply and distribution?
- What are its main competitors?
- What could cause the project to fail?
- Are the claims made by its supporters independently verifiable?
The objective is not to find a reason to reject every investment. It is to avoid confusing agreement with evidence.
Anchoring: The Price You Paid Is Not a Forecast
Anchoring occurs when people rely too heavily on an initial piece of information when making a decision.
In crypto investing, the most common anchor is the purchase price.
An investor buys Ethereum at $3,000 and later sees it trading at $2,400. They may consider the asset cheap because it is below their entry price.
But another investor who bought at $2,000 may see the same market price as a substantial gain.
Neither purchase price explains whether Ethereum is attractive at $2,400. The market does not adjust its valuation to compensate individual investors for their previous decisions.
Anchoring can also happen with historical highs. If a cryptocurrency once traded at $10, investors may assume that a current price of $4 represents a bargain.
That conclusion is not necessarily justified. The asset may have changed, demand may have weakened or the previous price may have reflected temporary speculation.
Historical prices provide context, but they are not reliable targets for future performance.
Overconfidence: Mistaking a Good Outcome for Skill
A successful trade can create the impression that an investor understands the market better than they actually do.
Someone buys a cryptocurrency shortly before a major rally and makes a substantial profit. They may attribute the result to their research, timing or ability to interpret market signals.
Sometimes that explanation is correct. But a favourable outcome can also involve luck.
The danger appears when one successful decision leads to larger positions, more frequent trading or less attention to risk.
Overconfidence can also make investors underestimate how quickly market conditions change. A strategy that worked during a strong bull market may perform very differently when prices fall or liquidity disappears.
A useful habit is to evaluate the quality of the decision separately from its outcome.
A well-researched trade can lose money. A poorly researched trade can make money. The result alone does not tell you whether the reasoning was sound.
Herd Behaviour: Following the Crowd
Herd behaviour occurs when people imitate the decisions of others instead of relying on their own assessment.
In crypto markets, it can spread through social media, online communities, influencers and public discussions about particular tokens.
A cryptocurrency begins rising. More people notice it, discuss it and buy it. The growing attention attracts additional participants, who interpret the activity as evidence that the asset is a good investment.
This creates a feedback loop between attention, demand and price.
However, the crowd can also move in the opposite direction. Negative headlines, rumours or sudden price drops may trigger widespread selling.
Following other investors can feel reassuring because it creates the impression that a large group cannot be wrong. But collective behaviour is not a substitute for research.
The fact that thousands of people are buying an asset does not establish that its price reflects its underlying value or that it is suitable for your circumstances.
Why Crypto Markets Can Amplify These Biases
Psychological biases affect many types of financial decisions, not just cryptocurrency investing. However, several characteristics of crypto markets can make them more visible.
High volatility. Prices can change substantially over short periods. This creates frequent situations in which investors feel pressure to act.
Continuous trading. Unlike traditional stock exchanges with defined trading hours, many cryptocurrency markets operate around the clock. Investors can feel that they must monitor prices constantly.
Social media influence. Information, opinions and promotional content circulate quickly. A single viral post can attract attention to an asset without providing reliable evidence about its prospects.
Limited valuation references. Some crypto assets are difficult to evaluate using traditional financial measures. This can leave investors more dependent on narratives, expectations and market sentiment.
Speculative behaviour. When buyers focus mainly on the possibility of selling at a higher price, expectations can become disconnected from the practical use or economic characteristics of an asset.
These factors do not mean that every cryptocurrency investment is irrational. They do mean that investors need to distinguish information from excitement.
How to Make Decisions Without Letting Emotions Take Control
Emotions cannot be removed from investing. The aim is to prevent them from making every decision.
A written plan can help establish rules before the market becomes stressful.
1. Define why you are buying
Write down the reasons for considering an asset. These might include its technology, adoption, economic design or role within a wider portfolio.
Avoid vague explanations such as “it has potential” or “everyone is talking about it”.
2. Decide how much risk you can accept
Consider how much you could lose without affecting essential expenses or financial commitments.
Crypto assets can be highly volatile, and some may lose most or all of their value. The amount invested should reflect that risk.
3. Establish conditions for changing your position
Before buying, identify what would make you reconsider the investment.
For example, a project might lose its main developers, suffer a serious security failure or fail to deliver the functionality on which its original proposition depended.
These conditions are more useful than relying exclusively on a target price.
4. Avoid making decisions under pressure
A sudden rally or crash can create a false sense of urgency.
Taking time to review the information can help separate a genuine change in circumstances from an emotional reaction.
A decision that still makes sense after stepping away from the market is generally easier to justify than one made in the middle of a wave of excitement or panic.
5. Review your reasoning, not just your profits
Keep a record of important investment decisions. Include the reasons for buying, the risks identified and the conditions that would justify selling.
Later, review whether the original reasoning was accurate and whether the decision followed the plan.
This can reveal recurring patterns, such as buying after sharp price increases or holding losing positions simply to avoid accepting a loss.
6. Limit unnecessary market monitoring
Checking prices every few minutes can make ordinary fluctuations feel like important events.
If your investment horizon is measured in years, reacting to every hourly movement may encourage decisions that conflict with your original approach.
Set a review schedule that reflects your objectives rather than the frequency of market notifications.
Is HODLing Better Than Trading?
There is no universal answer.
Holding can reduce the temptation to react to short-term price movements, but it does not remove investment risk. A cryptocurrency can lose relevance, suffer technical problems or decline in value for an extended period.
Active trading gives investors more opportunities to adjust positions, but it also introduces additional decisions, transaction costs and the risk of acting on incomplete information.
The important distinction is between a deliberate strategy and an emotional habit.
Holding because the investment thesis remains valid is different from refusing to sell because a loss feels unacceptable. Buying after careful research is different from chasing a price increase. Selling because circumstances have changed is different from reacting to a temporary market drop.
Crypto investing involves uncertainty. No psychological technique can predict the market or guarantee a profitable outcome.
What it can do is help investors recognise when a decision is being driven by fear, excitement or the need to prove that an earlier choice was correct.
The price chart shows what the market is doing. Understanding your own behaviour helps explain what you might do next.
Sources
- Friedrich et al. – Crypto-Mania: How Fear-of-Missing-Out Drives Consumers’ (Risky) Investment Decisions, Psychology & Marketing (2024)
- Schatzmann and Haslhofer – Exploring Investor Behavior in Bitcoin: A Study of the Disposition Effect, Digital Finance (2023)
- MoneySense – Behavioural Science and Investing
- U.S. Securities and Exchange Commission – Crypto Asset-Related Investments
- U.S. Securities and Exchange Commission – Exercise Caution with Crypto Asset Securities: Investor Alert
- Cryptocurrency Trading and Associated Mental Health Factors: A Scoping Review (2025)



