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Introduction of the strategy. The strategy was shared in: https://www.fmz.com/strategy/1088 The strategy is my main strategy since I started digital currency. After continuous improvements and modifications, it has become more complicated, but the main idea has not changed. The shared version is the original version with no obvious errors. It is the simplest and clearest. There is no position management. Each transaction is complete and not restarted, but it is enough to explain the problem. The strategy extended from August 2014 until the beginning of this year, when the exchange rate charges. During the period, the operation was quite good and the loss time was very short. The capital has increased from 200 yuan to 80 Bitcoin. The specific process can be seen in the article series The Way of Automated Virtual Currency Transaction on Xiaocao's Sina blog. The following figure is the return curve of the OKcoin platform that I specifically counted. The initial capital is 1000 yuan. You can see that the initial capital has increased steadily. The middle line is that my strategy has stopped. Subsequently, because the strategy was changed to a currency earning strategy, RMB returns fluctuate sharply. The specific process is described in the summary article of two years of strategic negotiation. The following graph shows the curve of total assets converted to currency: Why share this strategy? - After the loading of the exchange, almost all high-frequency strategies were removed, and mine is no exception. But changing the strategy can still work, you can study it. - I haven't shared anything in a long time. I have wanted to write this article for a long time. - Communicate and learn with you all. Strategy principle The principle of this strategy is very simple. It can be understood as a quasi-high frequency market making strategy. You might want to punch people after reading it, can it make money? At that time almost everyone could write it. I didn't expect it to be so effective at first. It can be seen that we should pay attention to practice as soon as we have ideas in mind. In 2014, when Bitcoin robots first emerged, it was too easy to write strategies to make money. Like all high frequency strategies, this strategy is also based on the order book. The following figure shows the order distribution of a typical Bitcoin exchange: On the left we can see the buy order, showing the number of orders at different prices, and on the right is the sell order. You can imagine that if someone wants to buy Bitcoin, if they don't want to wait for the order, they can choose to just accept the order. If he has a large number of orders, it will cause a large number of transactions to sell the order and list, which will impact the price. However, this impact will not continue. Some people want to take the order and sell it, and the price will probably recover in a very short time. On the contrary, it is similar to understanding that someone wants to sell coins. Take the pending order in the figure as an example. If you want to buy 5 coins directly, the price will reach 10377. At this time, if someone wants to sell 5 coins directly, the price will reach 10348. The price difference is the profit margin. The strategy will wait for an order at a price slightly below 10377, such as 10376.99, and will buy at a price slightly above 10348, such as 10348.01. This is because if the situation has just occurred, you will obviously win the difference. Although it won't always be so perfect, the chances of winning money are incredibly high given the odds. Explain the specific operation with the parameters of the current strategy. Of course, this parameter is not available, just for illustration. It will look for a price with a cumulative quantity of

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