Nasdaq PHLX LLC has filed a proposed rule change with the Securities and Exchange Commission, which took effect immediately. This change involves introducing a new protocol called “Ouch to Trade Options” or “OTTO” and updating pricing and several related rules, like order types and communication protocols. The proposal and its details can be viewed on Nasdaq's and the Commission's websites. The SEC is seeking comments from the public on whether this change aligns with the Securities Exchange Act.
Simple Explanation
Nasdaq wants to use a new system called "OTTO" to help with trading options, which are special kinds of financial deals. The people who make the rules about how these deals happen want to hear what everyone thinks about this change.