quadruple witching การใช้

• Due to the quadruple witching, volume was on the heavy side.
• The market began retreating from larger gains in afternoon dealings due to a technical factor called quadruple witching and jitters that perhaps stock prices had risen too high, too fast.
• On those same days single-stock futures also expire, so that the final hour is sometimes referred to as the "'quadruple witching "'hour.
• Due to the quadruple witching, volume was on the heavy side, coming in at 1.69 billion shares, ahead of Thursday's 1.52 billion shares.
• Analysts also said trading tends to be particularly volatile in the days before quadruple witching, the quarterly expiration of index futures and options as well as individual stock futures and options.
• Other stocks were affected by the U . S ., where the expiration of four kinds of options and futures, called quadruple witching, contributed to a decline in major indexes.
• With what's known as quadruple witching under way _ meaning that index and equity options and futures contracts all expired Friday _ trading was expected to be turbulent as investors repositioned their portfolios.
• Trading was feverish due to what's known as quadruple witching _ the expiration of all index and equity options and futures contracts _ and investors took the opportunity to adjust their portfolios and move into more defensive stocks.
• Trading was choppy, with stocks posting robust gains in the early going but then pulling back in the afternoon due to quadruple witching, the quarterly expiration of index futures and options as well as individual stock futures and options.