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There was a system of hand signals to back up the communication. The movie didn't really show that. Here's how they did it in Chicago at the Commodities Exchan
by joezydeco 2y ago
There was a system of hand signals to back up the communication. The movie didn't really show that.
Here's how they did it in Chicago at the Commodities Exchange:
https://youtu.be/yd31eEEWOoc https://youtu.be/yd31eEEWOoc
- wildzzz 2y agoOne of my favorite scenes in Ferris Bueller
- tomwheeler 1y agoThese hand signals are known as arb. I was told (when I worked for a brokerage firm) that the name stems from people involved with arbitrage needing to communicate quickly, before the rest of the market caught on to what they were doing). https://en.wikipedia.org/wiki/Hand_signaling_(open_outcry) https://en.wikipedia.org/wiki/Hand_signaling_(open_outcry)