fat finger

plural fat fingers · alternative fat-finger

1. alsoattributivehumorousidiomaticinformalA supposed cause of typographical errors, especially keyboard errors, caused from erroneous key presses or typing errors on touchscreen devices.

   Although it appeared to be triggered by unrest in Greece, the real cause could be a trader's "fat fingers."

   2010 May 6, “‘Fat fingers’ could be behind market crash”, in CTV News, Vancouver, B.C.

   5 more examples

   The first subcategory is what I choose to call Fat Fingers Syndrome. This is a problem obviously caused by poor typing techniques which result in a single finger striking two keys instead of one. [...] The opposite of the fat finger problem is what I call simply the Missed Key(s). This can also result in the writing of real (but wrong) words, such as "rod" for rode or "trace" for trance.

   2005, William Carroll, “Just Not Your Type?”, in The Untied Stats on American: And Other Computer Assisted Writing Errors, Lincoln, Neb.: iUniverse, →ISBN, page 8

   The London Stock Exchange is to enhance the measures it has in place to ensure ‘fat finger’ trades do not occur.

   2006 December 25, James Quinn, “LSE moves to nail ‘fat finger’ deals”, in John Bryant, editor, The Daily Telegraph, London: Telegraph Media Group, →ISSN, →OCLC

   The Securities and Exchange Commission is on the case, pursuing a lead that a "fat finger" keystroke error on a trade in Procter & Gamble, one of the 30 stocks in the Dow Jones Industrial Average, turned a trade of millions into a trade of billions.

   2010 May 7, “Fear itself the problem as Greece’s woes have yet to spread”, in The Sydney Morning Herald, Sydney, N.S.W.: Nine Publishing, →ISSN, →OCLC

   A typical operational risk that needs to be countered is the ‘fat finger’ where, in stressful and fast-moving markets, a trader might key in a wrong order. There are numerous examples where such an order moved the market and generated a loss for the executing firm. A fat finger limit will prevent a portfolio manager keying in a trade with a size beyond a particular trigger level.

   2011, Jan De Spiegeleer, Wim Schoutens, “Measuring the Risk”, in The Handbook of Convertible Bonds: Pricing, Strategies and Risk Management, part III (Risk Management and Strategies), Chichester, West Sussex: John Wiley & Sons, →ISBN, Operational Risk (section 9.3.9), page 250

   Maximum quantity limits help prevent human and algorithmic "fat finger" errors by enforcing the maximum order sizes and trading positions.

   2013, Irene Aldridge, “Regulation”, in High-frequency Trading: A Practical Guide to Algorithmic Strategies and Trading Systems (Wiley Trading Series), 2nd edition, Hoboken, N.J.: John Wiley & Sons, →ISBN, page 217

present singular third person fat fingers · participle present fat fingering · participle past fat fingered · past fat fingered

1. alternativeAlternative form of fat-finger (“to type (something) erroneously on a keyboard, keypad, or touchscreen by accidentally pressing with a finger one or more keys other than the intended one”).

   1 more example

   Slowing down the number of login attempts before an IP address is blocked reduces the attractiveness of your site to an automatic attack script. Note that generally these offer temporary IP address blocking, so that valid users who accidentally fat finger their password have an opportunity to log in after the ban has expired.

   2015, Brad Williams, David Damstra, Hal Stern, “Securing WordPress”, in Professional WordPress: Design and Development, 3rd edition, Indianapolis, Ind.: Wrox Press, John Wiley & Sons, →ISBN, page 371