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量价背离 沪钢涨幅有限

2017-10-17 09:27:55   

最近,螺纹钢价格波动幅度较大,多空转换节奏较快,笔者这里主要以盘面的价量关系来分析螺纹钢1801合约的行情。

自9月25日至10月9日,螺纹钢走出一波减仓上行走势。从9月25日的低点3531元/吨至10月9日的高点3795元/吨,最高上涨264元/吨,最大涨幅7.5%。同期,持仓量从362.8万手持续下降至306.0万手,创8月11日以来最低。可见,这一阶段的螺纹钢走势为减仓上涨。

10月9日当天螺纹钢出现冲高回落走势,从最高3795元/吨回落至收盘3701元/吨,上涨2.72%,但仍为阴线。此后,价格开始增仓下跌,10月10日大跌4.82%,持仓量从上一日的306.0万手猛增至346.7万手。至10月12日,价格一度跌至3503元/吨,创7月31日以来最低,持仓量增至363.9万手。可见,这一阶段的螺纹钢走势为增仓下跌。

10月12日螺纹钢探底回升,从最低3503元/吨回升至收盘3667元/吨,上涨2.80%,收出大阳线。10月13日螺纹钢再度大涨6.59%,最高涨至3820元/吨,创9月19日以来新高。不过,持仓量由上一日的363.9万手锐减至354.5万手。10月16日夜盘大涨3.52%,最高触及3878元/吨,创9月14日以来新高,但持仓量下降至332.1万手。可见,这一阶段的螺纹钢走势为减仓上涨。

就螺纹钢1801合约的多空异动情况而言,9月29日是国庆长假前最后一个交易日,出于对长假不确定性的担忧,前二十位多空席位减仓幅度合计超过20万手,力度空前,其净头寸为净多11739手。10月9日节后开盘首日一度大涨,但最终冲高回落的行情导致净多大幅下降至571手。10月10日的大跌行情又使得净头寸转变为净空6147手,10月11日破位下跌却使得净头寸转变为净多2415手,10月12日再次破位,但神奇地探底回升收出大阳线,多空双方均为大幅增仓,空头增仓幅度略大于多头,并且净持仓转为净空11648手。不过,当天空头增仓最大的海通期货同时排名多头增仓第一,这表明多头在当天的绝地反击中并无明显优势。到了10月13日,多空双方转为大幅减仓,空头减仓幅度略大于多头,并且净持仓仍为净空6135手,这也表明行情主要是由空头大幅离场引发的。不过,空头的离场也是短期的,或者说,是一种策略。毕竟,下跌趋势的反弹也是空头换手的良机。

根据上述特征,笔者判断,本次上涨伴随的是减仓行为,价量背离迹象明显,超级主力尚未形成一致做多仓位,不足以发起新一轮的单边上涨行情。

从本轮反弹的驱动力来看,笔者分析,供给端短期有变引发价格异动。北方数个城市先后出台秋冬季钢铁限产措施,京津冀钢厂周生产率环比明显下降,对钢价确实有一定的提振作用。然而,钢坯价格近期上涨幅度较小,从10月12日的3500元/吨反弹至15日的3630元/吨,涨幅仅为3.7%,价格回到10月8日的水平。笔者注意到,螺纹钢的社会库存仍在增长,最近两周分别增加35.8万吨和5.2万吨,目前为474.3万吨,仍处于今年5月以来的高位水平。也就是说,供应方面尚未达到紧张的地步。需求方面,房地产调控持续加码,通过杠杆交易炒房的投机需求受到明显抑制。也就是说,地产销售和投资均下行,很难支撑钢材价格进一步上涨。

此外,焦煤反弹止步于9月25日的高点,焦炭反弹止步于10月9日的高点。因此,笔者对螺纹钢短期减仓上行的持续性并不乐观,从日线走势上观察,螺纹钢上方阻力为3878元/吨。如无法突破,则有大幅回落的风险,下方支撑在10月13日的开盘价。

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