How Black Monday changed Wall Street forever

17 Sept 2025 · 22 min
21:34

A Trader Talk episode (host Kenny Polcari) interviewing John Parasco, a First Boston trader, about the 1987 Black Monday crash. They recount conditions leading up to the crash (Plaza and Louvre accords, rising rates, stretched valuations, 40% YTD Dow gain by August 1987), the accelerating selloff the week of Oct 14–19, and vivid floor-level details on Oct 19: frantic phone calls, specialists seeking firm capital, super messages (e.g., a 7 bid for 1M AMD), catastrophic intraday moves (Dow -508 / -22.6%), and market aftereffects (circuit breakers, scrutiny of program trading). The episode is both memoir and market-structure explanation from participants' viewpoints.

Questions this video answers

508 points, about 22.6% (one session)

Approximately 2,722

A 7-dollar bid for 1,000,000 shares of AMD (via First Boston capital)

Plaza Accord (1985) and the Louvre Accord (early 1987)

Chapters

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