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Risk & Psychology

Recency bias: the last thing that happened feels permanent

In a long bull run, falls feel impossible; at the bottom of a crash, recovery feels unimaginable. Recency bias is the mind treating the recent past as the template for the future — and it peaks exactly when it costs most.

Risk & PsychologyIntermediate8 min read
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Near the top of a long bull market, a serious fall feels almost theoretical — it has been so long since one hurt. At the bottom of a crash, recovery feels equally unreal — every recent day has been red. Both feelings are the same error, and it is the most reliably mistimed feeling in investing.

Think of it like this
Dressing for yesterday’s weather

It has been hot all week, so you leave home with no umbrella and light clothes — the recent weather feels like the only weather. The monsoon does not consult last week. You are soaked, having dressed for a pattern that had already begun to end.

In the market

A long rise makes you dress for permanent sunshine — no cash, no caution. The cycle, like the monsoon, does not consult the recent past. Recency bias is dressing your portfolio for the weather that just was.

How it costs money at both extremes

  • Chasing last year’s winner — pouring money into the top fund or sector just as its leadership rotates away.
  • Extrapolating recent returns — assuming a few great years are the new normal and planning around them.
  • Capitulating at the bottom — selling into a crash because the recent plunge makes recovery feel impossible.
  • Abandoning a plan mid-cycle — rewriting a calm, sensible strategy because the last month felt different.
Check yourself

After three strong years, an investor moves all their savings into equities, certain the run will continue. Which bias is most at work?

Simple bhasha mein
Kal ke mausam ke kapde

Lambi tezi mein girna "namumkin" lagta hai, crash ke bottom pe recovery "namumkin" lagti hai — dono ek hi galti. Recency bias: dimaag recent past ko future ka template maan leta hai, kyunki taaza baatein vivid hoti hain. Isliye optimism lambi tezi ke baad peak, aur nirasha crash ke baad — theek jab dono sabse galat hote hain. Kharcha: pichhle saal ka top fund top pe khareedna, aur bottom pe sab bech dena. Ilaaj: lamba lens — decades ke returns, purane bear markets aur unki recovery, base rates dekho. Aur shaant dimaag se likha hua plan follow karo, headline nahi.

What to remember
  • Recency bias weights the recent past as the template for the future.
  • It makes optimism peak after long rises and despair peak after sharp falls.
  • It drives chasing last year’s winner and capitulating at the bottom.
  • The recent past is the worst guide precisely at market extremes.
  • Widen the window to full cycles and base rates, and act on a written plan.
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Common questions

Short, direct answers to what people ask about this topic.

what is recency bias
Recency bias is the tendency to weight recent events far more heavily than older ones when judging what comes next, so the latest experience feels like the permanent state of the world. In investing it means a long rise makes further rises feel inevitable and a sharp fall makes more falls feel certain, regardless of the longer history. It is a mental shortcut — recent memories are vivid and easy to recall — and it systematically misleads because markets move in cycles the recent past never shows in full.
recency bias example in stock market
The classic example is chasing last year’s best-performing fund or sector on the assumption its run will continue, then buying near the top just as the leadership rotates. The mirror image is capitulating at the bottom of a crash, selling everything because the recent plunge makes recovery feel impossible — right before the market turns. In both cases the investor is extrapolating the most recent stretch forward, and the most recent stretch is the worst possible guide at extremes.
how to avoid recency bias
Anchor your expectations to long-run history and full cycles rather than the last few months, and write down your plan when you are calm so the recent past cannot rewrite it in the moment. Looking at multi-decade return ranges, past bear markets and their recoveries, and base rates for how often assets rise and fall pulls your reference frame back from the recent extreme. A written investment policy and automated, scheduled investing are practical defences because they act on the plan, not on the latest headline.
recency bias vs availability bias
They are close cousins: recency bias over-weights events because they happened recently, while availability bias over-weights events because they come to mind easily — and recent events are usually the most available. In practice a dramatic recent crash is both recent and vivid, so both biases pull the same way, making the danger feel far larger than the base rate warrants. The cure for both is the same: return to long-run frequencies rather than trusting the salience of what you just lived through.