Rule lifecycle · DOCKET:File No. 4-631
Joint Industry Plan; Order Granting Approval of the Twenty-Seventh Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Establish Temporary Price Band Protections in Overnight Trading
Securities and Exchange Commission — observed across 4 documents over 87 days. Use the source documents below before deciding whether this affects your business.
In plain English
The SEC approves temporary rules that limit how fast stock prices can change during overnight trading to prevent extreme market swings. If you trade stocks outside regular market hours or your retirement account does, check with your broker to understand how these new overnight price limits might affect your orders.
First seen
May 15, 2026
Last seen
Aug 10, 2026
Latest stage
Notice
PRORULE → RULE
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Stage timeline
Notice·May 15, 2026·91 FR 27995
Joint Industry Plan; Notice of Filing and Immediate Effectiveness of the Twenty-Sixth Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Reflect the Name Change of Nasdaq BX, Inc. to Nasdaq Texas LLC
#2026-09748
Notice·Jun 4, 2026·91 FR 33774
Joint Industry Plan; Notice of Filing of the Twenty-Seventh Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Establish Temporary Price Band Protections in Overnight Trading
#2026-11147
Notice·Jun 29, 2026·91 FR 39142
Joint Industry Plan; Notice of Filing and Immediate Effectiveness of Amendment to the Plan To Address Extraordinary Market Volatility To Add Texas Stock Exchange LLC as a Participant
#2026-13013
Notice·Aug 10, 2026·91 FR 51515
Joint Industry Plan; Order Granting Approval of the Twenty-Seventh Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Establish Temporary Price Band Protections in Overnight Trading
#2026-16201