Your brain is talking you into bad decisions. We help you catch it before it costs you.
Free tools and decision science for traders, investors, and founders who want to think more clearly under pressure.
The Bias Checker
Paste your reasoning. See your blind spots.
Write out why you want to take the trade, make the hire, or double down. The checker reads your reasoning for the language patterns behind known cognitive biases, then hands back the questions worth sitting with before you act. Nothing is saved — every check is fresh.
Check My Reasoning- decisions checked
- 1,000+decisions checked
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- 7biases caught
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Explore the research
Behavioural science applied to real positions, real payrolls, and real pressure.
Homebuyer Remorse: Why Buyers Regret Buying a House & How to Handle It
Buyer's remorse after buying a house is common and costly. Learn the psychology behind homebuyer remorse, the cognitive biases that fuel it, and how to reframe the decision.
ReadWhat Is Behavioral Finance? Definition, Biases & Why It Matters
The field that explains why investors aren't rational — Kahneman, Tversky, and Thaler's research, the eight documented biases, and the structure that actually limits them.
ReadWhat Is Recency Bias? Definition, Examples & How to Avoid It
Why the last three trades feel like the whole story — the recency effect, the small-sample trap, and the records that put older evidence back in front of you.
ReadOne bias. One framework. Every week.
A short newsletter on the psychology of money decisions — no fluff, no hype.
Why this exists
Decision science, applied to real money.
Prefrontal Profit is built by an operator and trader who kept losing money to the same handful of thinking errors — not to bad strategy. Everything here takes established behavioural research and turns it into something you can use inside a live position or a hard business call. No affirmations, no generic self-help.
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