spreader n.— «Another trader sounded more sanguine: “Big orders executed in a rapid fashion, coupled with spreaders there to help absorb some of the volatility, creates extreme swings.” A spreader is someone who simultaneously buys and sells two...
fear gauge n.— «The selling was largely driven by a sharp rise in volatility, with the Vix index, often referred to as Wall Street’s “fear gauge” hitting a two-year high.» —“Emerging equities suffer worst losing streak since 1998″ by Steve...
smile
n.— «This has direct consequences for the dynamics of the volatility smile observed on option markets.» —by Jean-Philippe Bouchaud, Marc Potters Theory of Financial Risk and Derivative Pricing Dec. 11, 2003. (source: Double-Tongued Dictionary)
smile n.— «The pattern of implied volatilities form a “smile” shape, which is called a volatility smile. Most derivatives markets exhibit persistent patterns of volatilities varying by strike…In practice, either the term “volatility smile” or...
smile
n.— «Smile: Graph with a minimum implied volatility for an underlying at-the-money.» —“Glossary of keywords” by André Jaun Hedging Your Portfolio: Options, Swaps and Derivatives Aug. 18, 2003. (source: Double-Tongued Dictionary)

