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Level 2


Level 2 is a service that provides real-time access to the NASDAQ order book, which contains the quotes from all the market makers, and ECNs beyond the best bid and ask prices. It includes information about the highest bid and the lowest ask for particular securities. It serves as a tool for traders, giving insights into the depth and liquidity of a security, and helping in determining the short-term direction of the market.


The phonetic spelling of “Level 2” is: “ˈlɛvəl tuː”.

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In business and finance, Level 2 is important as it refers to a type of trading service that provides additional market information beyond basic trade data. This includes bid and ask prices from various market makers and electronic communication networks (ECNs), providing a deeper view of a security’s trading activity. This information is vital for day traders or institutional investors to make more informed decisions, as it enables them to gauge market depth and liquidity, track large-volume trades, and identify potential trends or price patterns. Ultimately, the Level 2 market data offers an advantage in achieving better trade execution and improving overall trading strategy.


Level 2 is an essential part of the trading landscape, offering a detailed view of a stock’s supply and demand through real-time updates of best bid/ask prices and quantities. This form of market data is used to provide improved transparency of trading activities and is particularly valued by day traders and institutions that need to make quick and informed decisions based on live market orders. It provides an insight into the pattern of trading activity beyond the best bid and asking prices, helping traders understand the depth of price levels and price movements.The primary purpose of Level 2 is to assist traders in deciphering market trends and making informed trading decisions. For instance, if a trader sees a surge in buy orders at a certain price level in a Level 2 view, they might interpret it as a potential support level. Similarly, seeing an abundance of sell orders at a price level could signify a resistance level. It’s also used by firms making markets in a security, as it allows them to maintain an appropriate spread between buy and sell prices. Level 2 is, therefore, a tool that provides a more nuanced understanding of market dynamics, ultimately helping traders to strategize more effectively based on live activity.


1. Stock Market Trading: Level 2 information is widely used in stock trading. It provides in-depth information including the bid price, ask price, volume of the bids and offers, and the market maker. This helps traders to understand the market sentiment and make better trading decisions. For example, a trader might want to buy shares of a particular company. By using Level 2 information, they can see all of the buying and selling interest for that particular stock including the price levels investors are willing to buy or sell at, which can help guide their trade execution strategy.2. Forex Trading: Level 2 data is also essential in Forex (foreign exchange) trading. It gives traders a detailed picture of the market’s liquidity and depth. For example, a Forex trader can learn about the currency pair’s bid and ask prices, and the volume available at each price level. This information can help them to execute their trading strategies more effectively.3. Startup Funding: Level 2 can also represent a stage in a startup’s life where they are seeking Series B funding. After a startup has gone through seed capital and Series A funding, the next stage is Level 2 or Series B. Companies at this stage of funding are expected to already have some level of revenue, but the risk of investment is still high. For example, tech startup, which successfully launched a product and showed attractive sales growth, may seek for Series B funding to accelerate their growth and expenditures roadmap.

Frequently Asked Questions(FAQ)

What does Level 2 refer to in financial terms?

Level 2 refers to a type of trading service consisting of real-time access to the quotations of individual market makers registered in every NASDAQ listed security, as well as for many OTC stocks.

How can Level 2 data be beneficial to traders?

Level 2 data provides detailed information on the total number of buy and sell orders at various price levels. This can offer additional insights into a security’s supply and demand trends, which can be helpful in making trading decisions.

Can all investors use Level 2?

Typically, Level 2 access comes at a higher cost than Level 1 and is therefore usually used by more sophisticated traders or institutions with a higher volume of trades. However, some online brokers offer Level 2 access to retail investors as well.

What is the difference between Level 1 and Level 2 market data?

Level 1 data shows the best bid and ask price, along with other basic data such as last price traded, trading volume, and change. Level 2 data, on the other hand, displays the bid and ask prices for each individual market maker for a particular security in real-time.

How is Level 2 data displayed?

Level 2 data looks like a table, with columns for the bid and ask prices, bid and ask sizes, and market participants. You’ll see the number of shares being bid or offered at a certain price and the name or code of the market maker.

What can Level 2 data tell about the market’s direction?

Some traders use Level 2 data to foresee short-term price movement. For instance, if they see a large sell order at a certain price, they might anticipate resistance at that level. It’s not foolproof, but it can provide hints about the market’s direction.

How accurate is Level 2 data?

Level 2 data’s accuracy depends on the platform you are using and whether it has close ties to the exchanges. It should also be noted that high-frequency traders and some institutions may place and cancel orders quickly, sometimes making it difficult to interpret the displayed data.

Is Level 2 data the only tool I need for successful day trading?

No, while Level 2 can provide a good deal of insight, it’s only one part of a proper trading strategy. Other forms of analysis, such as technical and fundamental analysis, are also important.

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