CAPITAL是未來函數嗎
一、CAPITAL不是未來函數。 CAPITAL是目前流通股本，是已經發生的數據，不會影響選股的準確性。
未來函數是一種特殊的函數，它可以在計算過程中引用未來的資料。這意味著在先前做出判斷的基礎上，未來函數可以根據尚未發生的數據來修正。未來函數包括線段和買賣提示訊號等指標值，在新資料出現後可能會改變位置或消失。這些指標公式具有不確定性判斷的特徵。
二、未來函數有：
ZIG之字轉向，
BACKSET(X,N)，若X非0，則將目前位置到N週期前的數值設為1。
PEAK 前M個ZIG轉向波峰值
PEAKBARS 前M個ZIG轉向波峰到目前距離。
TROUGH前M個ZIG轉向波谷值。
TROUGHBARS 前M個ZIG轉向波谷到目前距離。
#YEAR 跨週期引用#Year 使用跨週期數據，例如在日線中引用本週週線或本月月線或本年年線數據
#MONTH 跨週期引用#Month
##WEEK 跨週期引用#Week
#FFT 含FFT傅立葉轉換函數 FFT(X,N)：傅立葉轉換
#三、懷疑是未來函數的有：
CAPITAL 含Capital流通盤 流通盤在增發、分紅、債轉股後可能變了。
DYNAINFO 含DynaInfo動態資料 DynaInfo(k)：動態資訊
FINANCE 含Finance財務資料 Finance(k)：財務資訊
WINNER 含Winner類別函數 WINNER(x)、LWINNER(x)、PWINNER(X)等獲利盤比例類別的和COST也有未來函數的性質，有時可使訊號產生漂移。
COST 含Cost類別函數 COST(N)、COSTB(N)
動態行情DYNAINFO（) 、財務資料FINANCE（)（除FINANCE(51) FINANCE(52)幾個外）、指標函數 COST() WINNER（) 以及[DATACOUNT]等等
有點像未來函數但不是未來函數的有：
forcast(()
forcast是從slope計算斜率引申來的，slope不是未來，forcast也就不是未來
slope只用過去樣本（參數）計算迴歸線的斜率，不是未來
任一點只取其前面的參數樣本迴歸計算，所以不會受後面新增K線影響
四、要看出為何不是未來，以fft是未來為例說明
#FFt每次都取全部K線資料找到最佳配曲線（模型），而賦予全部曲線的值，每增加一條新K線，就按全部K線資料重新找到最佳配曲線（模型）， 再重新賦予全部曲線的值，所以每增加一條K線前面的FFT值會全部都改變，只是改變幅度或大或小
這個指標有未來函數嗎
這個裡面沒有未來函數。
什麼是未來資料：某些技術指標或條件選股公式使用某週期後資料計算該週期的指標數值，這就是所謂的未來資料。例如zig指標：
含有未來數據指標的特徵：含有未來數據指標的基本特徵是買賣信號不定，常常是某日發出了買入信號，第二日如果繼續下跌該信號就會消失，這也正是該指標的危害所在，從歷史上看訊號很準，但應用時切不可信以為真。這個特徵也是驗證一個指標是否含有未來資料的基本方法。
未來函數就是用將來的上漲來決定現在的買點。
所以，未來函數是有對的可能的。當然也只是可能而已。
示來函數有：
函數名稱 顯示資訊 註解（此列無用）
ZIG 含ZIG族未來函數：Zig zig(K,N)：價格之字N%轉向，k=0,1,2,3 （開，高，低，收）
PEAK 含ZIG族未來函數：Peak peak(K,N,M)： 第前m個zig轉向波峰值
PEAKBARS 含ZIG族未來函數：PeakBars peakbars(K,N,M)： 前m個zig轉向波峰到目前的週期數。
TROUGH 含ZIG族未來函數：Trough trough(K,N,M)：前m個zig轉向波谷值。
TROUGHBARS 含ZIG族未來函數：TroughBars troughbars(K,N,M)： 前m個zig轉向波谷到目前的週期數。
BACKSET 含BackSet未來函數 BACKSET(X,N)：向前賦值。若X非0，則將目前位置和前面共N個週期的數值設為1。
CAPITAL 含Capital流通盤 流通盤在增發、分紅、債轉股後可能變了。
DYNAINFO 含DynaInfo動態資料 DynaInfo(k)：動態資訊
FINANCE 含Finance財務資料 Finance(k)：財務資訊
#YEAR 跨週期引用#Year 使用跨週期數據，例如在日線中引用本週週線或本月月線或本年年線數據
#MONTH 跨週期引用#Month
##WEEK 跨週期引用#Week
#WINNER 含Winner類別函數 WINNER(x)、LWINNER(x)、PWINNER(X)等獲利盤比例類別的和COST也有未來函數的性質，有時可使訊號產生漂移。
COST 含Cost類別函數 COST(N)、COSTB(N)
FFT 含FFT傅立葉轉換函數 FFT(X,N)：傅立葉轉換。
通達信軟體中的未來函數
關於未來函數的通俗解釋為：
1: The basic characteristic of indicators containing future functions is that the buying and selling signals are unstable, that is to say, a buy or sell signal is issued on the chart on a certain day, but as the market develops, the signal disappears and moves to a new position. Reappear. Historically the signal has no errors, which is exactly the danger of this function. (But this alone is not enough to determine whether it contains future data. This requires understanding the algorithm of the formula. This is the fastest way to determine whether it contains future functions)
2: In fact, when the software designers design these functions that refer to future data, they are not using these data, but sending a signal as a reference (such as 10% ZIG steering, when the signal From the first time it was sent out, it means that this position has arrived, but it does not necessarily mean that the market will reverse.) This requires analyzing the rationality of this signal. This signal is only sent to remind people who use this indicator that the stock price may peak in the next few days or Bottom line, this is the basic function of this thing. This formula is actually harmless when used.
3: There are two basic categories of functions and formulas that refer to future data:
First: send a signal on a certain day, and the stock price rises or falls a few days later. The signal is successful, otherwise it fails. After the failure, the signal disappears and waits for the next point to appear.
Second: If the stock price rises or falls on a certain day, a buy or sell signal will appear a few days ago. You will often see that the signal is successful, but the result is that you can never intervene. This method is very subtle and is used by many formulas that do not use future data and the signal does not disappear.
Based on the above description and basic explanation of the future function, the data of the two functions capital and finc(7) will change under certain specific circumstances, but this change period is very long (that is to say, in a very long time The data does not change over a long period of time) Generally speaking, it will not have an impact on the formula established by this function. If these two functions are defined as future functions, then will all dynamic data be future data? If so, there may be very few functions left that are not future functions. Although the formula established based on the second method does not reference future data, everyone who uses this formula will always see only a beautiful picture. There are too many experts in China. (The above is my personal opinion). Follow-up question:
Definition in Tongdaxin: capital = current circulating capital (lots), {fince(7) = circulating capital (shares), this function will change over time [such as bonus shares...] }, the units are different, the former is a hand and the latter is a share. Both obtain the circulating A shares for A shares, the index is 0, and both return constants. The latter will not be reinstated. Different algorithms are used according to different needs. Follow-up question:
At the same time, one thing needs to be pointed out
1: If the circulating capital of a certain stock changes due to bonus shares or share expansion, then you can verify the data using this formula before, and there will be changes.
2: If you just want to make beautiful graphics or just write formulas without operating, and live in history forever, then it is not an exaggeration to define this function as a future function.
personal opinion! Follow-up question:
In the end, you didn’t answer the difference between these two functions. Answer:
Your answer is really good. As a basic financial function, if the share capital changes, will it still use the original circulating shares? If you don't want to answer, don't answer. Answer:
It is not easy to understand the stock formula to this extent. Changes before and after Fiyta: TVXQ’s remarks:
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