周一(yi)大盤低(di)開后低(di)位(wei)震蕩，最(zui)終(zhong)滬深300指(zhi)數(shu)收盤下(xia)跌2.34%。期(qi)指(zhi)走勢(shi)強于現貨(huo)指(zhi)數(shu)，主(zhu)力合(he)(he)約(yue)最(zui)后20分鐘(zhong)上(shang)漲(zhang)約(yue)0.8%，最(zui)終(zhong)收盤下(xia)跌1.74%，由(you)貼水(shui)5.19點(dian)(dian)轉為(wei)(wei)升水(shui)43.04點(dian)(dian)，持(chi)倉(cang)(cang)量增(zeng)加(jia)6329手(shou)(shou)(shou)(shou)(shou)至(zhi)110408手(shou)(shou)(shou)(shou)(shou)。從(cong)主(zhu)力席位(wei)持(chi)倉(cang)(cang)變化情況(kuang)看，多(duo)頭前20合(he)(he)計加(jia)倉(cang)(cang)3110手(shou)(shou)(shou)(shou)(shou)，空頭前20合(he)(he)計加(jia)倉(cang)(cang)5145手(shou)(shou)(shou)(shou)(shou)，主(zhu)力凈(jing)空持(chi)倉(cang)(cang)增(zeng)加(jia)2097手(shou)(shou)(shou)(shou)(shou)至(zhi)9348手(shou)(shou)(shou)(shou)(shou)。具(ju)體席位(wei)上(shang)，中信期(qi)貨(huo)減(jian)倉(cang)(cang)1298手(shou)(shou)(shou)(shou)(shou)多(duo)單(dan)(dan)并加(jia)倉(cang)(cang)581手(shou)(shou)(shou)(shou)(shou)空單(dan)(dan)，由(you)凈(jing)多(duo)持(chi)倉(cang)(cang)692手(shou)(shou)(shou)(shou)(shou)轉為(wei)(wei)凈(jing)空持(chi)倉(cang)(cang)1187手(shou)(shou)(shou)(shou)(shou)；海通期(qi)貨(huo)加(jia)倉(cang)(cang)2858手(shou)(shou)(shou)(shou)(shou)多(duo)單(dan)(dan)，加(jia)倉(cang)(cang)502手(shou)(shou)(shou)(shou)(shou)空單(dan)(dan)，凈(jing)空持(chi)倉(cang)(cang)減(jian)少2356手(shou)(shou)(shou)(shou)(shou)至(zhi)4221手(shou)(shou)(shou)(shou)(shou)。綜合(he)(he)來看，傳(chuan)統主(zhu)力席位(wei)分歧加(jia)大，連續(xu)殺跌后，大盤指(zhi)數(shu)到達前期(qi)低(di)點(dian)(dian)附(fu)近，防(fang)御能力或有所提升。