Why Persistent Bears and Bulls Both Lose to the Market
Being right about a market call and being positioned correctly are not the same skill, and most of the damage in investing happens in the gap between them. Someone can correctly identify a real risk, a real opportunity, a genuine structural problem, and still lose money for years because they turned a single correct read into a permanent identity instead of a dated thesis.
This is what a persistent bear or bull actually is. Not someone who takes a position based on evidence, but someone whose position has stopped depending on evidence at all. The tell is simple: does new information have any real chance of changing their mind, or does it just get folded into the existing story as further proof they were right all along. A genuine analyst updates. A permabear or permabull explains away.
The psychology behind this is well understood and not particularly flattering to anyone who's fallen into it, bulls and bears both. Loss aversion makes a defensive, cautious position feel emotionally safer than it is, so a bear who's been wrong for a year doesn't feel wrong, they feel prudent, still waiting for the correction everyone else is ignoring. Confirmation bias does the rest of the work, every wobble in the market becomes validation, every rally becomes evidence of a bubble getting bigger before it pops. On the other side, a persistent bull treats every dip as a buying opportunity by default, never a signal the thesis might actually be broken. Being contrarian, or being a permanent optimist, is also just a more rewarding identity to hold than being uncertain, which is part of why the bias is so sticky regardless of which direction it leans.
Michael Burry is the clearest public case study of this pattern, precisely because his skill was never in question. His subprime short before 2008 was real, well-reasoned, and correct in a way that made him famous. What's less discussed is what came after. Analysts who've reviewed his public calls since 2008 estimate he's been wrong in timing or magnitude on roughly seven out of every ten major bearish predictions since. He's acknowledged it himself, directly, calling himself "the boy who cried wolf." The lesson isn't that he got lucky once. It's that one correct, well-timed call doesn't convert into a repeatable skill just because it happened once. A thesis that was right in 2008 doesn't stay right by default in every year since, and treating it as though it does is exactly the trap.
The actual cost of this bias is rarely the position that goes wrong. It's the years of compounding missed while waiting to be proven correct. A bear who sat out a multi-year bull market isn't just flat, they're behind everyone who stayed invested, by a gap that grows every year the call doesn't arrive. That opportunity cost almost never shows up in how the story gets told afterward, only the eventual correction does, if it ever comes.
Avoiding this isn't about abandoning conviction, it's about putting a real expiration date on it. A thesis worth holding is worth revisiting on a schedule, not just when the market happens to agree with you. The honest question to ask periodically isn't "has anything happened to prove me wrong yet." It's "if I were forming this view fresh today, with what's actually true right now, would I still hold it." That's a genuinely harder question, and it's the one a permanent position is specifically built to avoid answering. It's also the discipline the Market Pulse read on this site is built around, a fresh read each time, not a standing lean it has to defend.