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Industry WIKI

Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Trading basics

Artificial demand

Artificial demand or manufactured demand constitutes demand for something that, in the absence of exposure to the vehicle of creating demand, would not exist. It has controversial applications in microeconomics (pump and dump strategy) and advertising.

Finance

Fat-finger error

A fat-finger error is a keyboard input error or mouse misclick that occurs from a simple input mistake, causing unwanted secondary behavior. In common parlance, it simply refers to a common typographical error made on a touchscreen or physical keyboard that occurs when the wrong selection is made, or multiple selections are made due to options or keyboard keys being too close together.

Finance

GameStop short squeeze

In January 2021, a short squeeze of the stock of the American video game retailer GameStop and other securities took place, causing major financial consequences for certain hedge funds and large losses for short sellers. Approximately 140 percent of GameStop's public float had been sold short, and the rush to buy shares to cover those positions as the price rose caused it to rise even fu

Securities & exchanges

Greenshoe

Greenshoe, or over-allotment clause, is the term commonly used to describe a special arrangement in a U.S. registered share offering, for example an initial public offering (IPO), which enables the investment bank representing the underwriters to support the share price after the offering without putting their own capital at risk. This clause is codified as a provision in the underwritin

Trading basics

Inverse exchange-traded fund

An inverse exchange-traded fund is an exchange-traded fund (ETF), traded on a public stock market, which is designed to perform as the inverse of whatever index or benchmark it is designed to track. These funds work by using short selling, trading derivatives such as futures contracts, and other leveraged investment techniques.

Securities & exchanges

Joseph Parnes

Joseph Parnes (born November 23, 1946) is an American businessperson and registered investment advisor notable for his involvement in short selling. He is president of Technomart Investment Advisors and editor of the market letter Shortex. His investment strategy is known to be contrarian in nature and is a regular contributor to Forbes and Futures Magazine. His short strategy was expr

Trading basics

Muddy Waters Research

Muddy Waters Research LLC is an American investment research firm known for activist short selling. It was founded in 2010 by investor Carson Block. The firm publishes due‑diligence reports on publicly traded companies and, through its affiliated investment adviser Muddy Waters Capital LLC, often takes positions consistent with its research.

Finance

Naked short selling

Naked short selling, or naked shorting, is the practice of short-selling a tradable asset without first borrowing the asset from another party or ensuring that it can be borrowed. When the seller does not obtain the asset and deliver it to the buyer within the required settlement period, the result is known as a "failure to deliver" (FTD). The transaction generally remains open until the

Finance

Order (exchange)

An order is an instruction to buy or sell on a trading venue such as a stock market, bond market, commodity market, financial derivative market or cryptocurrency exchange. These instructions can be simple or complicated, and can be sent to either a broker or directly to a trading venue via direct market access. There are some standard instructions for such orders.

Securities & exchanges

Securities lending

In finance, securities lending or stock lending refers to the lending of securities by one party to another.

Finance

Short (finance)

In finance, being short in an asset means investing in such a way that the investor will profit if the market value of the asset falls. This is the opposite of the more common long position, where the investor will profit if the market value of the asset rises. An investor that sells an asset short is, as to that asset, a short seller.

Securities & exchanges

Uptick rule

The uptick rule is a trading restriction that states that short selling a stock is allowed only on an uptick. For the rule to be satisfied, the short must be either at a price above the last traded price of the security, or at the last traded price when the most recent movement between traded prices was upward (i.e. the security has traded below the last-traded price more recently than a