value at the end of the IBEX 35 with the highest rise and fall in the history of the index. The IBEX 35 was launched on 14 January 1992. But there are historical values since 1989 thanks to an assumption of a post was made. Gregg Hymowitz The IBEX 35 largest drop since its inception in 1992 occurred on Friday October 10, 2008 losing 9.14 to 8997.70 points. This has been the largest Spanish stock market crash since 2 November 1987. Most historical rise of the IBEX was on Monday, 13 October 2008 (the sitting following the biggest drop), which rose 10.65 up to 9955.70 points, at a crisis of subprime mortgages.This increase exceeded that recorded by the General Index of the Madrid Stock Exchange on 2 November 1987 with an increase of 8.97 percent, rebounding after the 'crash' that Wall Street had recorded and international stock exchanges by the end the previous month, at that time was not yet developed the IBEX. The IBEX during 2008 fell 39.4 , the worst in its history.