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Options Decimalization

Author

Listed:
  • Faith Chin
  • Corey Garriott

Abstract

We document the outcome of an options decimalization pilot on Canada’s derivatives exchange. Decimalization improves measures of liquidity and price efficiency. The impact differs by the moneyness of an option and is greatest for out-of-the-money options. In contrast with equity studies, decimalization improved depth near the best prices and improved liquidity for larger trades. We conclude with advice on decimalizing options: options that benefit most have underlying volatility less than 40, underlying equity bid-ask spread less than 50 basis points, at least one trade a day, and a distribution of depth skewed toward marketable prices.

Suggested Citation

  • Faith Chin & Corey Garriott, 2016. "Options Decimalization," Staff Working Papers 16-57, Bank of Canada.
    • Handle: RePEc:bca:bocawp:16-57
    as

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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Financial markets; Financial system regulation and policies; Market structure and pricing;
    All these keywords.

    JEL classification:

    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General

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