MOASS Definition

Benjamin Franklin on a $100 bill

MOASS stands for “Mother of All Short Squeezes.” A short squeeze occurs when a heavily shorted stock experiences a sudden and significant price surge, forcing short sellers to cover their positions, which in turn drives the price even higher. MOASS refers to a hypothetical event where a massive short squeeze occurs, potentially leading to a catastrophic outcome for short sellers and a windfall for long investors.

The GameStop Saga: A Catalyst for MOASS

The concept of MOASS gained widespread attention in 2021 during the GameStop short squeeze. A group of retail investors, largely organized on Reddit’s r/wallstreetbets, discovered that GameStop was one of the most shorted stocks on the market. They collectively decided to buy up shares, driving the price up and triggering a short squeeze. As a result, GameStop’s stock price skyrocketed, and several hedge funds suffered significant losses.

How Does a Short Squeeze Happen?

To understand MOASS, it’s essential to grasp the mechanics of a short squeeze:

  1. Short selling: An investor borrows shares of a stock and sells them at the current market price, expecting to buy them back later at a lower price to return to the lender.
  2. Short interest: The percentage of outstanding shares that are short sold. High short interest indicates a large number of investors are betting against the stock.
  3. Price surge: If the stock price unexpectedly rises, short sellers are forced to cover their positions by buying back the shares they sold short. This increased demand drives the price even higher.
  4. Short squeeze: As more short sellers cover their positions, the price surge accelerates, creating a feedback loop that can lead to a rapid and extreme price increase.


What Does MOASS Mean for Investors?

While MOASS is often associated with the GameStop short squeeze, it’s essential to understand that such events are rare and unpredictable. However, there are key takeaways for investors:

  • Be cautious of high short interest: Stocks with high short interest may be more susceptible to a short squeeze. Investors should be aware of the potential risks and rewards.
  • Don’t bet against the crowd: Short selling can be a high-risk strategy, especially when facing a large group of determined retail investors.
  • Stay informed and adaptable: Market conditions can change rapidly. Investors should stay up-to-date with market news and be prepared to adjust their strategies accordingly.

MOASS represents a fascinating phenomenon in the world of finance, highlighting the power of collective action and the unpredictability of markets. While it’s impossible to predict with certainty when or if a MOASS event will occur, understanding the underlying mechanics and being aware of market trends can help investors make more informed decisions.