noun
General Slang
Fat finger
· noun · finance
A typo on the trading keyboard that fires off the wrong size, price or ticker.
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Definitions
1
A keying mistake by a trader, hitting the wrong digit or an extra zero and accidentally sending an order for the wrong amount, price or instrument. Fat-finger trades have triggered flash crashes and cost banks hundreds of millions in seconds.
“Someone sold 600,000 shares instead of 60,000, classic fat finger, the stock gapped 8% in a minute.”
by community
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2
Used as a verb: to mistype an order or input. Has bled out of trading into general tech-speak for any clumsy keyboard slip.
“I fat-fingered the limit price and bought the whole offer.”
by community
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Fat finger In A Sentence
Someone sold 600,000 shares instead of 60,000, classic fat finger, the stock gapped 8% in a minute.
I fat-fingered the limit price and bought the whole offer.
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