Nasdaq Spends Time Arguing Over What Words Mean
Published Date: 1/8/2025
Notice
Summary
Nasdaq BX is updating how it defines “class” and “series” for options to match the terms used by its sister exchanges. This change affects traders and market participants by making things clearer and more consistent across platforms. The update took effect immediately on December 20, 2024, with no direct cost impact, but it helps everyone speak the same options language.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Options Definitions Harmonized Across Exchanges
If you trade options or participate in markets, Nasdaq BX changed the definitions of “class” and “series” for options to match terms used by its affiliated exchanges. The change took effect immediately on December 20, 2024, and the filing states there is no direct cost impact; it is meant to make options terminology clearer and more consistent across platforms.
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