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wholesale jewelry bali The cumulative transaction volume and the final transaction price of 3-6 seconds may be a collection of several transactions. The data format displayed in general is how many hands are traded in a few seconds. It should be noted here that the number of transaction hands is always an integer, and the number of decimal points will not appear. Among them, the cumulative number of hand is the total number of hands. The total number is also called the transaction volume. Some software marked the blue S and red B after the present volume.
Level-2 market data on the market, which is more representative is the big wisdom, where the transaction is transaction is called time-sharing transactions, which is actually the " "Settlement of transactions", but the details of transaction with Level-2 market data are different. Differential data is synthetic and hybrid data. It is based on the sales direction of the last one to represent the sale direction of the time (3 seconds or 5 seconds). At present, the detailed data on the market on the market is all transactions. Some of the details that are known as Level-2 are actually divided, that is, the 3 seconds of the penalties displayed in the small window on the right side of the level-2 market software. Level-2 market, but it is still transaction (time-sharing), not a transaction displayed on the left side of the Level-2 market software. Because the transaction displayed on the left is not saved in the level-2 market software, and the secondary development cannot be exported. Only the transaction in the small window on the right window can be exported.
gemstone jewelry beads and pendants lots wholesale The bar in it does not refer to the bar, it is the market in financial transactions, and it is a graphic concept. If you have seen the market map of the transaction more or less, the high and low "small pillars" arranged horizontally, each pillar is called a BAR. BAR is highly related to time. BAR records the fixed interval, from the beginning of the time to the end time, the price information, the conventional BAR will record the following price information: the starting price (opening price), the end price (closing price), the highest price, the lowest price. Generally speaking, BAR also comes with information of transactions. What is BAR in our quantitative system? In addition to providing basic price information, in the quantitative system designed by Wequant, the strategy is running uninterruptedly, and BAR is the basis for cycle. Why do I need Bar to support the cycle? We know that BAR is a collection of information with time attributes. In the graphic, the BAR on the left occurs earlier than the BAR on the right. The on the far right is reflecting the current latest developments. Attributes, let the program read BAR from left to right to achieve the purpose of "from some point to some time" or "real -time uninterrupted" information acquisition and calculation. When we write strategies, we can omit a lot of time definition and processing steps. We only need to care about the current bar of the read transaction. Written, because the help of BAR's cycle becomes very simple. Bar is like the pendulum of the old -fashioned clock. Each time you put it, the time goes forward. As long as BAR is constantly updating and reading, our strategy will continue to run. BAR has a great relationship with the market system mentioned in the previous article. BAR itself has a frequency distinction. The difference is that every time a long summarizes a BAR. Wequant provides BAR at minutes, hours, days, and weekly to meet the requirements of different execution frequency. At present, the BAR provided by Wequant is mainly targeted at the digital currency trading market. Due to the endless market, the time period indicated by BAR and BAR is continuous, that is, closely connected, there is no gap.