In finance, an option symbol is a code by which options are identified on an options exchange or a futures exchange. Before 2010, the ticker (trading) symbols for US options typically looked like …

Jan 23, 2010 · The new OSI symbol format contains 4 key fields: Underlying, Date, Call/Put Indicator and Strike Price. IMPORTANT! — These 4 fields are strung together with no spaces …

What is OSI? The Options Symbology Initiative (“OSI”) was a comprehensive plan to replace the former archaic option root identification method for exchange-listed option contracts with a 21 …

Mar 28, 2024 · Since 2010, when the Options Clearing Corporation (OCC) launched the Options Symbology Initiative (OSI), it has been possible to describe any U.S. stock option simply by …

Jun 29, 2020 · CAT Reportable Equity Securities Symbol Master. The CAT Reportable Equity Securities Symbol Master is a list of all NMS stocks and CAT-reportable OTC equity securities …

As a reminder, the OSI conversion implements the use and validation of explicit OSI data but continues to carry the unique OPRA Root Symbols that represent standard, LEAP, wrap and …

option symbols (“root” option symbol, LEAPS symbols, wrap symbols, etc.) will be consolidated under the appropriate OSI “root” option symbol in a phased approach over several months. …

What is the Options Symbology Initiative (OSI)? The Options Symbology Initiative is an industry-led project designed to modernize how U.S. listed options are identified. There are three main …

The U.S. Equities/Options/Futures Symbology Reference describes Cboe support of various symbology formats for equities, options, and futures markets.

Aug 13, 2010 · The Options Symbology Initiative (“OSI”) is a comprehensive multi-faceted, industry-wide plan to replace the existing short-hand method of listing options contracts.