参考时限太短，近10年发生过三个期间走势相反，随后修正趋于一致
2010年9月底，为期半个月
2018年7月-8月中，为期1.5-2月
还有次在今年3月
图为内盘螺纹钢VS美铜
Note
美铜有调整，若是不仅是调整直接下那么rb的空就香了。
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The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.