How Cognitive Biases Quietly Shape Our Financial Decisions
- Stephen Boatman
- Dec 1, 2025
- 4 min read
We like to believe our financial choices are based on logic: comparing options, running the numbers, planning wisely. But the truth is that we are human—and humans come with mental shortcuts and blind spots that affect the way we save, spend, invest, and manage risk. These mental shortcuts, known as cognitive biases, often operate beneath our awareness, nudging us toward decisions that aren’t always in our best financial interest.
Understanding these biases is the first step toward overcoming them. Below are some of the most common ones that influence financial behavior—and how to protect yourself from them.

1. Anchoring Bias: When the First Number Controls the Narrative
Anchoring occurs when we rely too heavily on the first piece of information we encounter.
Financial example: You see a car priced at $32,000, then find another for $28,000. Even if the second one is still overpriced, it feels like a “deal” because your brain is anchored to the first number.
How it hurts you:
Overpaying for big purchases
Accepting a salary offer that’s lower than you deserve
Holding onto poor investments because you’re anchored to your “purchase price”
How to overcome it:
Compare multiple sources before setting expectations.
Ask, “Would this still be attractive if I hadn't seen the first price?”
2. Confirmation Bias: Seeking What You Want to Believe
Confirmation bias drives us to seek out information that supports our existing beliefs and to ignore evidence that contradicts them.
Financial example: Someone convinced that a particular stock will skyrocket only reads optimistic predictions and dismisses warnings.
How it hurts you:
Taking on too much investment risk
Falling for scams or overly good-to-be-true pitches
Missing opportunities because you cling to outdated ideas
How to overcome it:
Intentionally seek out opposing opinions.
Create an “if I’m wrong…” scenario before investing.
3. Overconfidence Bias: “I Know What I’m Doing” (Maybe Not)
Overconfidence makes us overestimate our knowledge, skill, or ability to predict the future.
Financial example: An investor trades frequently because they believe they can beat the market consistently—something even professionals struggle to do.
How it hurts you:
Excessive trading and fees
Undiversified portfolios
Too much debt or underestimating emergency needs
How to overcome it:
Use diversified, rules-based strategies (index funds, automated savings).
Get periodic outside opinions—from advisors or tools that challenge your assumptions.
4. Loss Aversion: Fear of Losing Overrides the Joy of Winning
Humans feel losses about twice as intensely as gains. This means we often act to avoid loss rather than maximize long-term benefit.
Financial example: Holding onto a losing stock because selling would “lock in the loss.”
How it hurts you:
Keeping bad investments too long
Avoiding investing entirely because it feels too risky
Making emotional decisions in market downturns
How to overcome it:
Focus on long-term trends rather than short-term fluctuations.
Use rules like “sell when fundamentals change,” not “sell when it hurts.”
5. Present Bias: Prioritizing Now Over Later
Also called hyperbolic discounting, present bias is the tendency to value immediate rewards over future ones—even when the future reward is much larger.
Financial example: Choosing a $100 impulse purchase over contributing to a retirement account that could grow significantly over time.
How it hurts you:
Under-saving for retirement
High-interest credit card debt
Difficulty sticking to budgets
How to overcome it:
Automate savings so money is removed before you can spend it.
Use the “24-hour rule” for non-essential purchases.
6. Herd Mentality: Doing What Everyone Else Does
Humans are social creatures. If a crowd is doing something, we often assume it must be right.
Financial example: Buying into a hot investment trend because “everyone else is making money.”
How it hurts you:
Buying high and selling low
Getting swept up in bubbles (crypto surges, meme stocks, housing crazes)
Missing out on a personalized financial strategy
How to overcome it:
Stick to a plan created around your goals—not the crowd’s.
Ask, “If no one else was doing this, would I still choose it?”
7. Mental Accounting: Treating Money Differently Based on Labels
People assign different values to money depending on where it came from or how they plan to use it—even though all dollars are equal.
Financial example: Spending a tax refund on luxuries even though you wouldn’t spend your paycheck the same way.
How it hurts you:
Overspending “found money”
Underutilizing savings
Making emotional rather than strategic budgeting choices
How to overcome it:
Treat all income neutrally.
Direct unexpected money toward goals before spending.
8. Status Quo Bias: Doing Nothing—Even When Change Helps
We tend to stick to what’s familiar, even if better options exist.
Financial example: Not refinancing a mortgage or switching insurance providers because it feels inconvenient.
How it hurts you:
Paying too much for services
Staying in underperforming investments
Missing higher-yield savings or credit card rewards
How to overcome it:
Schedule an annual “financial tune-up” to evaluate big categories.
Make a checklist for reviewing accounts so the process feels simpler.
Why This Matters
Cognitive biases aren’t flaws—they’re part of how the human brain simplifies a complex world. But when financial stakes are high, these shortcuts can cost you real money.
By recognizing the patterns and building habits that counteract them, you can:
Make more confident, rational financial decisions
Avoid emotional mistakes
Build wealth more consistently over time
Financial success isn’t just about the math—it’s about the mindset.




