查看“10种最常用的BPA价格行为形态之 —— Final Flags”的源代码

 https://www.brookstradingcourse.com/price-action/10-best-price-action-trading-patterns/

=== Final Flags ===
一个Final Flag需要满足以下几个基本要素：
*当前有一个比较清晰的趋势 （Trend）
*一个常常呈水平方向的回调（不同于楔形回调），有时它可以简短得只有一根K线 (Pullback that is usually mostly horizontal. It can be as brief as a single bar)
*当前的趋势比较接近某个磁力位 [[:分类:MGN|magnet]]（上升趋势中的阻力，下跌趋势中的支撑）(Trend is typically close to a magnet (resistance in a bull, support in a bear))
*一些其他反转迹象（比如在上涨趋势中，在通道顶部附近卖压开始积累、变强）(There are likely other signs of a possible reversal (in a bull, examples include building selling pressure near the top of a channel))
Final flag指的是在某个特定情况下，一个反转以一种“顺势的形式”作为其反转过程的开始，此“顺势的形式”从现有的趋势的方向看是一个顺势的牛旗或者熊旗，但当反转成功后回头看，此牛旗或者熊旗常被看做最终旗形，因为它是旧趋势彻底结束之前的最后一个牛旗或者熊旗<ref>''末端旗形：你预计主趋势已经过度，寻找一个反转形态。末端旗形经常可能出现双底，双顶或者以三重推的楔形方式出现。  Charle''s</ref>。在交易最终旗型时，交易者认为旧趋势的延续即将失败，他们已经准备好开始进行与旧趋势方向相反的交易。(A final flag is a trend reversal pattern that begins as a continuation pattern. Traders expect the continuation to fail and are ready to take a trade in the opposite direction. )

与所有的反转交易一样，最终旗形反转后走出一个成功的Swing的概率通常只有40%<ref>这里用到了 波段交易 40%。但是这里的FF 会不会更类似MTR的一种？ 我记得每次Al 提到MTR的成功率都是40%。然后Al一般只会说scalp ，swing，还有minimum scalp size。 而文中的波段交易属于哪一种？ 

参考：[[Bookcn:术语表#摆动交易（Swing Trade）]] Zagh</ref><ref>'''At the other extreme is swing trading for a profit that is at least twice as large as his risk. Most of these setups are only 40 to 50 percent certain''' [[Book:CHAPTER 24 Scalping, Swinging, Trading, and Investing]] 我的理解是swing至少2RR，scalp 0.5-1RR。？Zagh</ref>左右，对此我的基本原则是[[TBTL]]，也就是说该Swing至少有 10 bars & two legs ([[:分类:TBTL|TBTL]])。一个Swing也意味着回报至少是风险的两倍 (这是我对一个成功的波段交易的最低标准）。(Like all trend reversals, the probability of a swing is usually only about 40%. My general goal is 10 bars 2 legs, which means a swing that has at least Ten Bars and Two Legs (TBTL). A swing also means a reward that is at least twice as large as the risk (my minimum criterion for a successful swing). )

60%波段交易<ref>原文swing trading Zagh</ref>的结果都是小幅盈利或小幅亏损，这意味着它们会相互抵消。追求更高成功概率的交易者通常会等待新的反转方向出现一个强劲的突破，那时，这个波段的成功概率通常为60%或更高，但止损位也会很远，也就意味着更大的风险，但这是这部分交易者为了更高的成功率所必须付出的代价。因为机构是市场上的主要参与者，我们的任何一个卖出或者买入交易，都必须有机构在另外一边相应买入或者卖出，如果一个你想获得更高的成功率，你就必须接受更差的盈亏比。(Sixty percent of the trades result in small wins and losses that usually balance each other out. Traders who want a higher probability usually will wait for the reversal to have a strong breakout in the new direction. At that point, the probability of a swing trade is often 60% or more, but the stop is far away. That increase in risk is the trade-off. There always has to be something in the trade for the institution taking the other side of your trade. If you get great probability, you pay for it with bad risk/reward (reduced reward relative to risk).)[[文件:FF-D.png|缩略图|680x680像素|下跌趋势晚期的 tight trading range 通常是 final bear flag，交易者常会在其下方失败的突破中寻找反转的机会。(A tight trading range late in a bear trend is often the Final Bear Flag. Traders will look for the breakout below to reverse up.)|居中]]
[[文件:FF-U-680x382.png|缩略图|680x680像素|Triangle 是一个 tight trading range，当它在 bull trend 后期形成时，它通常会是 final flag。(A triangle is a tight trading range. When it forms late in a bull trend,  it usually is the Final Bull Flag.)|居中]]
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