This table shows the largest intraday point swings since 1987. As the "Net Change" column shows, 13 of these 20 largest intraday swings occurred during days in which the Dow declined, while only 7 occurred during days in which it advanced. Nine of the 10 largest intraday swings have occurred amidst the ongoing global financial crisis of 2008, and none of the top 20 occurred before the year 2000. During the height of the crisis, the six largest intraday swings ever up to that time (and 9 of the top 20) occurred over a single span of 10 trading days between October 6 and 17, 2008.