What can happen if you buy or sell bitcoin out of fear or euphoria?
Correct answer
Answer B: You act impulsively and end up buying high or selling low.
Quick explanation
Fear can lead to a rushed sale, while euphoria can lead to a purchase without enough thought. Having a plan beforehand helps you avoid deciding purely on emotion.
Detailed explanation
Price changes can justify a fresh assessment. But a decision is not good or bad simply because someone quickly buys, sells or waits. What matters is whether it fits the original goal, time horizon and personal financial situation.
Before reacting, check at least needs, available reserves, possible debts, alternatives, capacity to bear risk and reasons for the price change. Selling can make sense if risk is no longer tolerable or the underlying basis has changed. Buying can make sense if necessary, affordable and planned.
Investor-behavior research describes panics, trend-following and overreaction to news. At the same time, a 2026 Bundesbank study shows that the measured relationship between inflation expectations and spending depends strongly on question wording and measurement method. An expectation therefore does not automatically imply the right action.
Example or everyday application
After a sharp decline, someone sells immediately without checking their goal, time horizon or emergency reserve. Selling may be right in that case; the unconsidered part is the missing assessment. Bringing forward a planned, necessary purchase, by contrast, would not be irrational merely because of its timing.