A Bitcoin flash crash is an unexpected, sudden, and brief market crash in the price of BTC, typically caused by algorithmic trading programs.

What is a flash crash in crypto?

In the crypto market, a ‘flash crash’ occurs when a crypto asset experiences a huge sell-off then quickly rebounds in a short period. A Bitcoin (BTC) flash crash refers to a sudden and significant drop in the price of BTC.

Such a crash occurred in October 2021, when the BTC price plummeted 90% from an all-time high of $67,000 on the Binance exchange to a low of $8,200. The flash crash was attributed to a bug in the trading algorithm of one market participant. It also affected other crypto assets like ether (ETH), which experienced a price decline from $4,000 to $2,000.

Another case of a flash crash in crypto was recorded in May 2022, when Ethereum (ETH) fell by nearly 50% due to a jump in the U.S. consumer price index (CPI). This led to a huge sell-off by large players in the market (whales), causing its price to plummet on the decentralized exchange Uniswap.

One of the potential solutions to prevent flash crashes that regulators of global exchanges like New York Stock Exchange (NYSE ) and Chicago Mercantile Exchange (CME) have explored is to implement circuit breakers that pause trading activities across the market when an asset drops below 10% in a 15-minute time frame.

However, such measures are quite challenging to implement in the decentralized world of crypto where volatility is high and regulations are minimal. While centralized exchanges can pause trading activities, decentralized exchanges cannot since they aren’t governed by any central body.

Even if the decentralized autonomous organization (DAOs) that govern do intervene, the damage will often be done as their decision-making process is slow and flash crashes take place in a short space of time.

What causes crypto to crash?

It’s quite difficult to attribute the cause of flash crashes in crypto to a single factor, however, they often occur as a result of human and computer activities.

Humans

In some events, whales facilitate flash crashes as a result of accidental trading, such as a fat-finger error, i.e., unintentionally placing an order at the wrong price or accidentally adding zero.

Sometimes, traders may deliberately employ illegal means, such as spoofing or dynamic layering, when a trader places large sell orders to create the illusion of a huge sell-off and prompt others to begin selling in fear of a potential price decline. The trader will then profit by buying the same asset at a much lower price during the flash crash and selling at a considerably higher price after the asset has rebound.

Computers

Algorithmic trading has created flash crashes in the past and often sets off a cascade of mass liquidation. Certain bots are programmed to use algorithmic solutions that recognize aberrations and automatically execute sell orders to avoid losses.

For example, a crypto asset is trading for 0.5 ETH and a high-frequency trading system has an algorithm that triggers sell orders when the price falls between 0.45 ETH and 0.55 ETH. As a result, a fall in the price to 0.45 ETH will trigger the automatic sell order, which may further push the price lower and continually trigger more algorithmic sell orders as the falls lower.

Examples of Bitcoin flash crashes

Arguably the most notable flash crash occurred in the US stock market on May 6, 2010, when major stock indexes briefly crashed by up to 10%.

In an example of a Bitcoin flash crash, In June 2011, BTC lost 99% over the course of just a few days, dropping from $32 to $0.01. This was attributed to a breach of security on Japanese crypto exchange Mt. Geox, which saw 850,000 BTC stolen.

More recently, in March 2024, Bitcoin on the BitMEX exchange, briefly falling from over $60,000 to $8,900 over the course of two minutes and then returning to its initial price less than 10 minutes later. BitMEX confirmed on X (formerly known as Twitter) that they were investigating potential misconduct by investors as a result.

Impact of a Bitcoin flash crash

The impact of a Bitcoin flash crash can be significant and wide-ranging. Effects can include significant losses for investors, as those caught off guard by the price drop may not be able to exit their positions in time. This can erode confidence in Bitcoin and negatively impact market sentiment, leading to a loss of trust and confidence in the stability and reliability of crypto as Bitcoin is seen as a leader in the market. This can result in decreased trading volumes and liquidity.

Depending on the severity of the flash crash and the underlying causes, there may be long-term effects on the perception of Bitcoin as a viable investment asset.

Flash crashes in Bitcoin and the wider crypto market have emerged as a recurring phenomenon in the volatile landscape of digital currencies. The sudden and short price drops can be triggered by a variety of factors including market manipulation, regulatory announcements, or technical glitches, and underscore the inherent risks associated with crypto investments.

FAQs

Are crypto clash crashes a form of market manipulation?

While a flash crash in crypto may be caused by market manipulation, other factors like technical glitches and failure of algorithms can also influence the occurrence of such events.

Can traders Profit from a crypto flash crash?

Some crypto traders see flash crashes as an opportunity to make a quick buck before the price rebounds. However, such trading is quite risky as it’s difficult to detect if a sudden drop in the price of a coin is a flash crash or a longer-lasting price correction.

Has Bitcoin ever experienced a flash crash?

Yes, Bitcoin has been subject to flash crashes on several occasions. The significant Bitcoin flash crash occurred in December 2021, when long positions worth about $2 billion were wiped out from the market.

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