We often hear that level-2 is a stockworker for senior shareholders
But a lot of our little partners are half-aware about level-2, and they think that the 10-point deal price is called level-2
But it is not. The real level-2 is helping investors to take advantage of the moment of sale, to identify the main forces and to retrace the market。

Because we know that stockline interface level 1 is also known as a normal line interface, with price curves, five-port, time deal, etc. On its software
But there is much more to be said about the performance data available from the stock exchange interface, and for the free-of-charge lot 1, the price is charged. But different coupons cost different

So, what's the case for a level two
Open up the level 2 line, which is more suitable for short-term partners, but before opening, please choose to support the low-cost voucher to open the account
Recent low-cost rates (in ten thousand cotton)
Line 2 allows users to be informed in advance of the sale and sale slots, to locate the main trajectory and to make decisions more precise. It is possible to reveal the trends of each transaction, the purchaser's and seller's orders to complete the transaction. Real-time monitoring of lined lists for commissioning to buy 1 and sell 1 at a price to keep users informed of the composition of the list and to obtain access information more quickly

(i) what do the first and the second lines mean, respectively
Line 1 is also referred to as class 1 or basic lines, which literally means that there is only one slot, i. E., one price and one price. A practice commonly used in practical applications to refer to the basis of comparison contains only the lowest level of sale, the lowest number of transactions and the lowest frequency of updates。
A level 2 line, known as multi-story or depth, can be considered an upgrade of the level 1 line, as evidenced by the number of slots in the register, the wealth of data or the faster frequency of updates. In fact, it is a high-format version of lovel, which contains data that are more sophisticated and richer than normal line interfaces, although it is charged for free-of-charge, but not too expensive。

(ii) where are the main differences between level 1 and level 2
Mostly, there are more detailed differences in terms of information, transaction details and price commissioning
The most obvious difference between the level-1 and level-2 lines is the entry of information。
The entry shows information on the current market ceiling price list, and the number on the right side of the price represents a number of orders that are pending at this price。
Level-1 provides only five-digit information on the trade
In zhuang city, level-2 added a five-step line to the level-1 scale to show 10!
In deep city, level-2 even offers 500 each, a total of 1,000

(iii) what are the advantages of developing the level-2 data profile
The level-2 data is a real-time fee-for-service introduced by deep exchange information. Investors are able to see changes more accurately in the actual transaction than in the ordinary business. Increased value-added data based on basic practices to better meet the deep demand for information from various categories of investors
For example, the speed of retrofitting traffic, doubling the number of trading slots, adding new trading queues and detailing each other。

1. Support for the ten stages
The traditional level-1 business consists of a five-tier business and a ten-grade business. If you have a 10-step picture of every 3s, you can take advantage of market opportunities。
Support for the textual conclusion
For each deal, it is sent. Unlike the cut-off data for level-1, the data for level-2 are sent regardless of the time gap between the two transactions. It's easy for you to understand the big one。
3. Support for individual delegation
Similar to the one-by-one transaction, each commission is given. Moreover, the power of attorney also includes withdrawals。
4. Support for commissioning queues
It is possible to sort and sort out all the orders that are entrusted to buy and sell. It helps investors to see very clearly whether the purchase order is large or small and to know the order and location of each purchase order。
The level 2 profile data are currently the most complete transactional data available in the domestic securities market, with the most finer particle size. It covers a large variety of shares, tradable funds and deep exchange indices listed in the two markets. Level 2 data contains a wealth of valuable information, and the use of these data to generate trade signals and capture revenues has become a mainstream strategy in quantitative research。

(iv) what are the classification tables for level 2 data


As can be seen, a new line of love-2 takes 0. 01 seconds. It is equivalent to a 600-fold show of the main power; a master dishwashing; a small but important move, such as building a warehouse and running away。
It is therefore essential that level-2 be familiar with the market, choose a low-rate coupon to open an account and step on the trade point。




