> ## Content Index > Fetch the complete content index at: https://altcoininvestor.com/llms.txt > Use this file to discover other available public pages before exploring further. # The Psychology Of A 50% Portfolio Drawdown - URL: https://altcoininvestor.com/psychology-of-portfolio-drawdown/ - Published: 2026-09-13T12:02:50.000Z - Updated: 2026-09-13T12:02:51.000Z - Description: Richard Knight shares what the 84% 2018 drawdown felt like and why selling at cycle bottoms is almost always the wrong move for long-term crypto holders. - Author: Richard Knight - Tags: Investing Strategies, Crypto Investing ## What 84% Feels Like In late December 2017, my crypto portfolio hit a number I had once thought impossible. Bitcoin had climbed to nearly $20,000\. Ethereum was over $1,400\. The mining operation I had been running since 2015 was throwing off more cash per month than my first full-time job had paid in a year. I had been in crypto since Bitcoin was in the hundreds of dollars. I knew the cycles. I knew this was euphoria. I also knew I wasn't going to time the top perfectly, so I held. By December 2018, that portfolio had shrunk by 84%. Not 84% from some theoretical peak I never actually saw. 84% from real dollars I watched on real screens on December 17, 2017\. [The portfolio tracking software I used](https://altcoininvestor.com/how-to-track-crypto-portfolio/) updated every fifteen minutes. Every update was another small cut. Bitcoin bottomed near $3,200\. Most of the altcoins I held did worse. The psychological experience of that drawdown is not something you can prepare for by reading about it. It is something you survive or you don't. And the lessons it teaches are not the ones you expect. ## The Temptation At The Bottom Is Not What You Think Most people assume the hardest part of a drawdown is watching the number go down. That is not correct. The hardest part is what happens after it stops going down. When Bitcoin hit $3,200 in December 2018, I had been watching my portfolio erode for twelve straight months. The initial decline from $20,000 to $10,000 felt like a correction. The move from $10,000 to $6,000 felt like capitulation. The grind from $6,000 to $3,200 felt like the market was trying to prove a point: that all of this had been a speculative mania with no fundamental basis. At $3,200, I did not know the bottom was in. Nobody did. What I did know was this: I had about 16% of the dollar value I had held one year earlier. The temptation was not to sell because I thought it was going lower. The temptation was to sell because holding had been so painful that getting out - even at a massive loss - felt like it would end the pain. This is the psychology almost nobody talks about. Selling at the bottom is not a logical decision. It is an emotional one. You are not selling because you have new information. You are selling because the act of holding has become unbearable. I sat with that feeling for weeks. I did not make a decision. I just sat with it. What I eventually understood - and this took far longer than I want to admit - was that the pain I was feeling was not about the portfolio. It was about the fact that I had built an identity around being someone who understood crypto, and the market had spent a year telling me I was wrong. ## What The Data Actually Said While I was sitting with that discomfort, I did what my economics degree had trained me to do: I looked at the data. Bitcoin's hash rate - the amount of computational power securing the network - had dropped during 2018, but not by 84%. It had dropped by about 40% from its peak, and by December it was climbing again. That told me miners, who have real operating costs and real electricity bills, still believed the network had a future. Ethereum's developer activity, measured by GitHub commits, had not dropped at all. It had increased. The teams building on Ethereum were not leaving. They were shipping code. The number of daily active addresses on Bitcoin had declined, but it had declined to levels last seen in early 2017 - which had been a perfectly healthy market at the time. We had not gone back to 2015\. We had gone back to eighteen months earlier. Here is what I wrote in my personal trading journal on January 8, 2019: "The price is down 84%. The infrastructure is not down 84%. The developer activity is not down 84%. The fundamental thesis - that crypto represents a better form of money and a better settlement layer for global transactions - has not changed. What has changed is that the tourists have left." That analysis did not make the drawdown hurt less. But it gave me a framework for deciding what to do next. And what I decided to do was nothing. I held. ## Why Selling At Cycle Bottoms Is Almost Always Wrong There is a mathematical reason and a psychological reason why selling at cycle bottoms tends to be the wrong move. The mathematical reason is simple: at an 84% drawdown, you have already taken 84% of the loss. Selling at that point locks in the loss and eliminates any chance of recovery. To get back to breakeven from an 84% drawdown, the asset needs to increase by 525%. That sounds impossible when you are sitting at the bottom. It is not impossible. Bitcoin did exactly that between December 2018 and June 2019, hitting $13,800 just six months after the $3,200 low. The psychological reason is more subtle. Selling at the bottom is almost always an emotional decision disguised as a rational one. You tell yourself you are "cutting your losses" or "preserving capital." What you are actually doing is ending the discomfort of holding an asset that has hurt you. The problem is that the discomfort you are feeling is often the signal that you are near a bottom, not that you should sell. This is not an argument for never selling. There are absolutely times when selling is the right move. If the fundamental thesis has broken - if the project you invested in has failed, if the team has abandoned development, if the technology has been superseded - then selling makes sense no matter what the price is doing. But if the thesis has not changed, if the infrastructure is still being built, if the developers are still shipping code, then the pain you feel during a drawdown is not a signal to sell. It is the cost of being early. ## What I Learned About Position Sizing The 2018 drawdown taught me something I should have known earlier: position sizing is more important than being right. I was right about Bitcoin. I was right about Ethereum. I was right that crypto was the future of money. But I had sized my positions as if I knew the future with certainty, rather than as if I was making probabilistic bets with incomplete information. Here is the position sizing rule I developed after 2018, which I wrote about in more detail in my recent piece on [position sizing across a full crypto cycle](https://altcoininvestor.com/the-80-20-rule-in-crypto/): no single position should be large enough that a 50% drawdown in that position changes your life. And your total crypto allocation should not be large enough that an 80% drawdown in the entire crypto market changes your life. This is not about being conservative. It is about being able to hold through the drawdowns that will inevitably come. If you size your positions correctly, a 50% or even 80% drawdown is painful but survivable. You can sit with the discomfort. You can look at the data. You can make a rational decision instead of an emotional one. If you size your positions incorrectly - if a drawdown threatens your ability to pay rent or feed your family - then you will sell at the worst possible time, because you have no choice. I got lucky in 2018\. My positions were large enough that the drawdown hurt, but not so large that I was forced to sell. A lot of people were not that lucky. A [2024 study of crypto trading behavior](https://arxiv.org/pdf/2403.18823) found that traders who experienced large drawdowns and were forced to liquidate positions for liquidity reasons underperformed buy-and-hold strategies by an average of 40 percentage points over the following two years. ## The Behavioral Trap: FOMO and FUD One of the most powerful insights from the 2018 crash is how predictably human psychology works during drawdowns. A 2024 Kraken survey of more than 1,200 crypto holders found that 63% had experienced portfolio losses directly linked to fear-of-missing-out or fear-uncertainty-doubt driven trading decisions. That tracks with everything I saw during the 2018 bear market. At the top, people buy because everyone else is buying. The fear of missing out is overwhelming. You see coins doubling every week. You see people on social media posting screenshots of their gains. You convince yourself that this time is different, that the fundamentals have changed, that the old rules do not apply. At the bottom, people sell because everyone else is selling. The fear is just as overwhelming, but now it is fear of losing everything. You see projects shutting down. You see developers leaving. You see influencers who were bullish six months ago now saying crypto is dead. You convince yourself that you were wrong, that the whole thing was a bubble, that you need to get out before it goes to zero. Both of these psychological states are nearly identical in structure. They are both driven by what other people are doing, not by what the data says. And they both lead to the same outcome: buying high and selling low. The way out of this trap is not to eliminate emotion. You cannot eliminate emotion. The way out is to have a framework that works regardless of how you feel. For me, that framework is: what does the on-chain data say, what are the developers doing, has the fundamental thesis changed, and am I sized correctly to hold through volatility? When I asked myself those questions in December 2018, the answers were: hash rate is recovering, developers are shipping, the thesis has not changed, and I can afford to hold. So I held. ## The Projects That Survived One pattern I have seen in every crypto cycle I have traded through: the projects that survive the bear market are not the ones with the best marketing. They are the ones with the best fundamentals. In 2018, the projects that died were the ones that had raised money on hype, spent it on conferences and influencer marketing, and never built anything of substance. The projects that survived were the ones that had shipped working products, had actual users, and had developer communities that kept building even when the price was down 90%. Ethereum kept shipping upgrades through the entire 2018 bear market. The transition to proof-of-stake, which everyone said was impossible, kept moving forward. By the time the next bull market started in 2020, Ethereum had a massive head start on every competitor that had spent the bear market doing nothing. Bitcoin's Lightning Network - a second-layer scaling solution - went live on mainnet in March 2018, three months after the peak. The team could have delayed the launch. They could have waited for better market conditions. They did not. They shipped. And by the time the next cycle started, Lightning was functional infrastructure, not vaporware. I wrote about this dynamic in more detail in my August piece on [what builders do in bear markets](https://altcoininvestor.com/altcoins-in-a-diversified-crypto-portfolio/). The short version: bear markets are when the real work gets done. Bull markets are when that work gets priced in. If you are trying to decide whether to hold through a drawdown, one of the most important questions you can ask is: what is the project doing right now? If the answer is "marketing" or "partnerships" or "announcements," that is a red flag. If the answer is "shipping code" or "adding users" or "improving infrastructure," that is a green flag. ## What I Still Do Not Know I have traded through four full crypto cycles at this point. I survived the 2018 crash. I captured gains in the 2021 bull run. I held through the 2022 drawdown. I have a framework that works for me. What I still do not know is this: will the pattern hold in the next cycle? Crypto in 2026 is not crypto in 2018\. We have spot Bitcoin ETFs now. We have institutional adoption. We have nation-states holding Bitcoin as a reserve asset. The market structure has changed. The participants have changed. The regulatory environment has changed. It is possible that the 80% drawdowns we saw in previous cycles will not happen again. It is possible that institutional capital and ETF flows will create a floor that did not exist before. It is also possible that the next drawdown will be worse than anything we have seen, precisely because so many people now believe the old volatility patterns are gone. I do not know. What I do know is that volatility is a feature of asymmetric assets, not a bug. And crypto remains the most asymmetric asset class I have ever encountered. If you believe the long-term thesis - that crypto will be the foundation of the next global financial system - then drawdowns are the cost of admission, not a reason to leave. ## What This Means In 2035 Here is the question that matters: when you look back at crypto from 2035, what will the 2018 crash look like? My prediction, based on every historical financial revolution I have studied: it will look like noise. The people who bought Bitcoin at $20,000 in December 2017 and sold at $3,200 in December 2018 will have a very specific story about crypto. It will be a story about a bubble, a crash, and a lesson learned about speculation. The people who bought Bitcoin at $20,000 in December 2017 and held through $3,200 will have a different story. Assuming Bitcoin continues on anything close to its historical trajectory - and I believe it will - those people will describe 2018 as "a rough year in the middle of a long-term hold." The same thing happened with Amazon stock. The people who bought Amazon in 1999 at $100 per share and sold in 2001 at $6 per share have a story about the dot-com bubble. The people who bought at $100 and held have a story about one of the best investments of their lifetime. Amazon today trades above $3,000 per share on a split-adjusted basis. The difference between those two groups is not intelligence. It is not access to better information. It is position sizing and time horizon. The people who held were sized correctly and thought in decades, not quarters. I believe the same dynamic will play out in crypto. The question is not whether there will be more drawdowns. There will be. The question is whether you are positioned - financially and psychologically - to hold through them. ## The Takeaway The 84% drawdown I experienced in 2018 was the most educational experience of my trading career. It taught me that pain is not a signal, that fundamentals win over time, and that the ability to do nothing is often the most valuable skill in investing. If you are facing a drawdown right now - whether it is 20%, 50%, or 80% - here is what I would tell you: check the data, check the thesis, check your position sizing. If the data still supports the thesis, if the builders are still building, and if you are sized correctly to hold, then the rational move is to hold. The pain you feel is not the market telling you to sell. It is the market testing whether you actually believe what you say you believe. Most people fail that test. The ones who pass it are the ones who capture the asymmetric upside that makes crypto worth holding in the first place. ## Frequently Asked Questions ### How long did it take Bitcoin to recover from the 2018 crash? Bitcoin bottomed near $3,200 in December 2018 after an 84% decline from its December 2017 peak of nearly $20,000\. The recovery began in early 2019, with Bitcoin reaching $13,800 by June 2019, representing a 331% increase from the bottom in just six months. Full recovery to previous all-time highs took until December 2020, roughly two years from the bottom. ### What is the right position size to survive a crypto drawdown? No single crypto position should be large enough that a 50% drawdown changes your life circumstances. Your total crypto allocation should not be so large that an 80% market-wide drawdown threatens your ability to meet basic obligations. This sizing allows you to hold through inevitable volatility and make rational decisions rather than forced emotional ones. The goal is surviving drawdowns psychologically and financially, not maximizing theoretical upside. ### How do you know if you should sell during a drawdown? Selling makes sense if the fundamental thesis has broken: the project has failed, the team abandoned development, or the technology has been superseded. If the thesis remains intact, on-chain metrics show strength, developers continue shipping code, and you are sized correctly, then drawdown pain is typically the cost of being early, not a sell signal. Check data and fundamentals, not emotions or price action alone. ### What percentage of crypto traders lose money from emotional decisions? A 2024 Kraken survey of 1,248 crypto holders found that 63% experienced portfolio losses directly linked to fear-of-missing-out or fear-uncertainty-doubt driven trading decisions. Research in behavioral finance shows emotional decisions reduce annual investment returns by approximately 1.5 to 2.5 percentage points compared with systematic, rules-based strategies. Most losses come from buying tops emotionally and selling bottoms under stress. ### Will Bitcoin experience 80% drawdowns in future cycles? Historical data shows Bitcoin has experienced four drawdowns exceeding 50% since 2014, with the three largest averaging approximately 80% decline. The current cycle as of September 2026 shows a roughly 36% correction, the shallowest on record. Institutional adoption and spot ETF flows may reduce future volatility, but asymmetric assets inherently carry volatility risk. Whether past patterns repeat remains uncertain, though market structure has evolved significantly.