web3: 比特幣6萬美元看跌期權升至Deribit首位
CoinDesk
07-31 19:54
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比特幣 6 萬美元看跌期權成為 Deribit 持倉最高合約,市場對 8 月走勢轉向謹慎。
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隨著 7 月接近結束,比特幣期權市場的持倉結構出現明顯變化。 Deribit 數據顯示,執行價為 6 萬美元的比特幣看跌期權,已成為該平台未平倉名義價值最高的合約,反映出交易員在進入 8 月前更重視下行保護。

這類看跌選擇權通常用於對沖價格回落風險。比特幣曾在上月短暫跌破 6 萬美元,隨後又回升至 6.3 萬美元上方。價格反彈並未推動看漲押注繼續擴大,反而讓防禦型部位升溫。

6萬美元賣權升至第一位

截至發稿,6 萬美元看跌期權的未平倉名目價值約為 11.7 億美元。相比之下,前一日仍居前列的 7 萬美元和 7.2 萬美元看漲期權,持倉已明顯回落。

在聯準會議息會議前,市場一度集中買入這兩個高執行價看漲期權,押注比特幣會在利率決定後繼續上行,甚至升向 7.2 萬美元附近。但這走勢並未出現。

聯準會會議後看漲倉位回落

週五 08:00 UTC 到期結算後,相關看漲部位明顯減少。 CoinDesk 引述數據稱,當次到期涉及的比特幣和以太坊選擇權總規模約為 100 億美元。

  • 7 萬美元買權未平倉名目價值降至 9.43 億美元
  • 7.2 萬美元買權未平倉名目價值降至 8.88 億美元
  • 6 萬美元看跌期權未平倉名義價值約 11.7 億美元

這意味著,市場先前圍繞聯準會會議建立的偏多部位,在到期後並未延續,資金更傾向於保留對下跌的保護。

歷史數據顯示8月通常偏弱

除持倉變化外,季節性數據也在強化謹慎情緒。 CoinDesk 數據顯示,自 2013 年以來,比特幣 7 月的中位數回報率為 8.61%,而今年 7 月漲幅約為 8.9%,與歷史表現大致一致。

但在歷史樣本中,正收益的 7 月之後,8 月往往表現偏弱。自 2013 年以來,比特幣 8 月的中位數回報率為 -7.51%。這也是當前市場情緒轉向謹慎的另一個依據。

中位數更能反映多數月份的典型表現,因為它不會像平均值那樣,受到少數極端漲跌月份的明顯拉動。對波動較大的比特幣而言,此指標較適合觀察季節性特徵。

整體來看,選擇權持倉重心從高執行價看漲合約轉向 6 萬美元看跌保護,顯示市場在 8 月前的預期已由追漲轉向防守。

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