<div class=draft-block draft--p left>昨晚(7/14)發布PPI(生產者物價指數),</div> <div class=draft-block draft--p left>美國6月PPI年升11.3%,</div> <div class=draft-block draft--p left>道瓊開盤下跌500點,</div> <div class=draft-block draft--p left>最多跌600點,</div> <div class=draft-block draft--p left>顯示市場短線對經濟數據的反應,仍十分敏感,</div> <div class=draft-block draft--p left>台指期夜盤也在晚上9點左右轉跌,</div> <div class=draft-block draft--p left>早上一覺醒來,</div> <div class=draft-block draft--p left>台美股都V轉下影線,</div> <div class=draft-block draft--p left>台指期還能夠創近日新高14470。</div> <div class=draft-block draft--p left>買空差與賣多差損益變化如下:</div> <div class=draft--imgNormal draft-block><div><div style=height:1412px class=image-block-prerender data-src=https://images.vocus.cc/82cc8998-4a95-4eb3-86da-5c0c0f4697b6.jpg data-width=1412 data-height=642 data-position=center></div><figcaption class=imageCaption draft-block style=cursor:text;display:block></figcaption></div></div> <div class=draft-block draft--p left>買空差因台指期夜盤逆轉,</div> <div class=draft-block draft--p left>帳上損失擴大到15%,</div> <div class=draft-block draft--p left>期貨價14470,</div> <div class=draft-block draft--p left>距離SC防守價14600,</div> <div class=draft-block draft--p left>只剩130點,</div> <div class=draft-block draft--p left>國安再護下去,</div> 非常危險。</div> <div class=draft-block draft--p left>賣多差自7/12國安宣布以來,</div> <div class=draft-block draft--p left>期指已上漲600點,</div> <div class=draft-block draft--p left>賣多差竟然出現帳上獲利6%,</div> <div class=draft-block draft--p left>超過原本預計最大獲利5%,</div> <div class=draft-block draft--p left>賣權多頭價差,</div> <div class=draft-block draft--p left>原意是SELL PUT,看不跌,</div> <div class=draft-block draft--p left>再加上更價外的BUY PUT,</div> <div class=draft-block draft--p left>為SELL PUT避險,</div> <div class=draft-block draft--p left>最大獲利理論上只有2個權利金相減,</div> <div class=draft-block draft--p left>也就是收45點的權利金,</div> <div class=draft-block draft--p left>避險的BP32點歸零,</div> <div class=draft-block draft--p left>再扣手續費稅金3點,</div> <div class=draft-block draft--p left>最大獲利為45-32-3=10點,</div> <div class=draft-block draft--p left>但權利金的變化,</div> <div class=draft-block draft--p left>出現在SELL PUT的權利金跌得多,</div> PUT的權利金跌得少,</div> <div class=draft-block draft--p left>變成SELL PUT帳上獲利45-5=40點,</div> PUT帳上虧損4-32=-28點,</div> <div class=draft-block draft--p left>2者合併獲利12點,</div> <div class=draft-block draft--p left>還比結算的預期最大獲利要高,</div> <div class=draft-block draft--p left>那平倉還比結算划算。</div>