Learn from the past. Prepare for the future. Uncategorized CRASH OF 87: By The Numbers By Editorial Staff October 18, 2012 1 of 16 SOURCES: Jeremy J. Siegel, Wharton School; Points and Figures; Securities Industry and Financial Markets Association, Wikimedia Commons Opening value of the Dow Jones Industrial Average Closing value of the Dow. The decline, which still ranks as the largest percentage drop in one day. Loss of market value, in billions. The amount of shares traded on the New York Stock Exchange, in millions. The Dow on August 25, 1987. The drop from August 25 to October 19. Value of a S&P 500 stock index futures contract on August 25. FacebookTwitterPinterestWhatsApp Previous articleDrop Copies On Radar After Knight DebacleNext articleCanadian National RELATED ARTICLES Clearing The Path: How Sponsored Access Brings The Buy Side Into Repo 24/7 Derivatives Trading – Going Around in Circles Margin Transparency – Trade Bodies Weigh In MOST READ Citi Appoints Lee Smallwood Chief Operating Officer of Markets April 17, 2026 Consolidated Audit Trail Enters Perilous Curve April 17, 2026 Market Participants Clash Over SEC Access Fee Timeline April 17, 2026 Cboe Reports Record Daily Proprietary Index Options Volume April 17, 2026 Britni Ihle Joins BlackRock to Lead Trading Transformation in AI Push April 16, 2026 PODCAST