标普500进入变盘窗口期,观望为主等待方向选择

比推Опубліковано о 2025-08-18Востаннє оновлено о 2025-08-18

一、一周行情回顾:(08.11~08.15)

周一开盘价6389.67点,并且产生本周最低价6364.06点,周五创出最高价6481.34点,最终收盘价6449.80点,周振幅117.28点,涨幅0.94%,周线收出一根阳K线,收在5周均线之上。

标普500指数周K线图:(动能量化模型*情绪量化模型)

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(图一)

标普500指数日K线图:

image.png

(图二)

标普500指数周线图:(历史数据回测)

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(图三)

自4月7日反弹以来,指数已经连续上涨19周,共计91个交易日,累计最大涨幅达到34.05%。本周指数涨幅0.94%,周线收出一根小阳线。

笔者上周文章的题目是《以史为鉴,标普500向上还会走多远》,在文章中依据多维度技术层面以及十几年历史数据回测,对本周指数做出预测。

在指数走势方面:认为指数还会创新高,重要压力位在6427点附近,并提示即使站上6427点,指数向上空间有限;从5月2日开始至今,指数沿着上升通道震荡上行,观察通道上下轨道的压力、支撑作用,重点关注通道下轨的得失;在8月14日前后几天,指数进入变盘时间窗口,并强调如果时间窗口生效,指数向下变盘概率大。

在操作策略方面:虽然指数经过大幅反弹之后,重新站上生命线,但是,由于距离前高6427点很近,并且日线级别即将进入时间敏感期,所以建议保持30%的中线仓位不变,等明确方向后再操作。在短线操作中,建议大家设置好止损位,按照给出的关键点位以及通道上下轨道,逢高做空,逢低做多。

现在回顾本周的实际走势:周一指数以6389.67点开盘后开始做窄幅震荡,产生本周最低价6364.04点,当日收出一根小阴线;周二指数震荡上行,当天突破前高6427点,收出一根涨幅为1.13%的阳线;随后两天指数在6427点上方窄幅震荡,收出两根小阳线;周五指数高开低走,创出本周最高价6481.34点,收出一根跌幅为0.29%的小阴线,最终周线收在6449.80点,收出一根小阳线。本周走势与笔者预测的大致相符。从4月7日到8月15日,指数已连续上涨了19周,共计91个交易日,已经进入变盘时间窗口。

接下来,笔者继续从多维度技术层面分析当前指数发生的变化。

(一)、量化模型信号分析:

1、周线视角(见图一):

①、动能量化模型:持续发出高位钝化信号,动能1号线向上运行,能量(红)柱与上周相比继续缩短,预示本周指数继续上涨,但是做多动能不足。

②、情绪量化模型,指标仍然处在高位。情绪1强度是4.51(取值范围0~10)左右,情绪2强度是3.51左右。

③、数字监测模型:7月25日发出的周线级别D(取值A~E)转折信号已经失效,本周没有信号显示。

④、顶峰信号:数值是6.54,风险系数累计加大。

2、日线视角(见图二):

①、动能量化模型:两条信号线在本周三形成向上金叉后,动能顶背离再次进入钝化状态,周五能量(红)柱与周四比较缩短。

②、情绪量化模型:周五收盘后,情绪1指标是5.16,情绪2指标是0.38,两指标重新回到高位区。

③、数字监测模型:7月29日收盘后发出日线级别顶部信号数字9,后期判定失效标准是收盘价大于6389.77点。本周二收盘价是6445.76点,预示前期发出的顶部信号失效。

④、量能方面:本周每天成交量未见明显放大。

(二)、趋势时序与历史数据回测分析(图三):

①、回测数据区间:2009年3月6日2025年4月4日,共计840根周K线。

②、设定调整规则是:回调≤2周且跌幅≥5%,或者回调≥3周,回测数据中符合条件的调整共有52次。

③、统计历史数据寻找规律:每当指数从低点连续上涨19周后,出现调整的概率高达88.5%左右,并且出现大幅调整的概率较大。

④、从4月7日到8月15日,指数已经连续上涨19周时间,从历史经验来看调整系数加大。

二、下周行情预测:(08.18~08.22)

1、笔者认为下周指数还会向上冲高,但是空间很小;当指数向下调整时,第一支撑位在6300至6340点附近,重要支撑位在6200至6147点区域。

2目前指数继续在5月2日之后形成的上升通道内运行,观察通道上下轨道的压力、支撑作用,重点关注通道下轨的得失。

3、8月14日指数已经进入变盘时间窗口,观察下周运行方向的变化。如果时间窗口生效,笔者认为向下变盘概率大。

4、提醒投资者密切关注市场消息面的变化,关注大市值权重股的异动。

三、下周操作策略:(08.18~08.22)

1、下周指数继续维持震荡结构,向上空间有限;若向下调整有效跌破6200点至6147点区域,则警惕指数形成顶部后的下跌风险。

1、中线仓位:指数已经连续三天重新站上生命线,但是现在又面临变盘时间窗口,所以笔者在此提出两种操作建议:对于稳健的投资者,继续保持现有30%的中线仓位,等待方向明确后再操作。对于激进的投资者,如果指数运行在生命线之上可以加大仓位;如果跌破后还需再次减仓。笔者侧重第一种操作建议。

2、短线仓位:设置好止损点,按照给出的关键点位以及通道上下轨道,逢高做空,逢低做多。

3、如果想得到更加精确的操作,可以把分析周期切换到小周期,例如60分钟或者120分钟周期。

以上各种模型是本人操作时遵守的交易规则,不构成任何买卖依据。个人观点,仅作参考。

作者:Cody Feng


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说明: 比推所有文章只代表作者观点,不构成投资建议

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