US Stock Market Calendar — May 2026

Free market calendar for traders: NYSE and NASDAQ session hours (Eastern Time), exchange holidays, early closes, upcoming IPO listings, stock split dates, and ticker renames. Updated regularly from exchange data — plan entries and risk around market closures and corporate events.

Closed Early CloseIPO IPO listingSplit Stock splitRename Ticker rename
May 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
104:00–20:00
2Closed
3Closed
404:00–20:00
504:00–20:00
604:00–20:00
704:00–20:00
804:00–20:00
9Closed
10Closed
1104:00–20:00
1204:00–20:00
1304:00–20:00
1404:00–20:00
1504:00–20:00
16Closed
17Closed
1804:00–20:00
1904:00–20:00
2004:00–20:00
2104:00–20:00
2204:00–20:00
23Closed
24Closed
2504:00–20:00
2604:00–20:00
2704:00–20:00
2804:00–20:00
2904:00–20:00
30Closed
31Closed

Upcoming market events

  • SplitAPEOF1:3 · Reverse_split
  • SplitARMH10:1 · Forward_split
  • SplitASMH10:1 · Forward_split
  • SplitASWRF1:20 · Reverse_split
  • RenameAZIO → EVTVAzio AI Holdings, Inc. Common Stock
  • RenameEVTV → AZIOAzio AI Holdings, Inc. Common Stock
  • RenameIONQ.WS → IONQIonQ, Inc.
  • SplitJEM1:12 · Reverse_split
  • SplitLGHL1:9 · Reverse_split
  • RenameSKHY → SKHYVSK hynix Inc. American Depositary Shares When Issued
  • RenameSKHYV → SKHYSK hynix Inc. American Depositary Shares
  • SplitSTHH10:1 · Forward_split
  • RenameTVIVW → TVIVUTexas Ventures Acquisition IV Corp Units
  • RenameYICCW → YICCUYorkville International Capital Corp. Units
  • SplitYXT1:10 · Reverse_split
  • SplitAIBD1:10 · Reverse_split
  • SplitAMDD1:10 · Reverse_split
  • SplitDRIP1:10 · Reverse_split
  • SplitGGLS1:10 · Reverse_split
  • SplitKORU20:1 · Forward_split
  • SplitLMED5:1 · Forward_split
  • SplitMUU20:1 · Forward_split
  • SplitSOXS1:10 · Reverse_split
  • SplitTECS1:10 · Reverse_split
  • SplitTZA1:10 · Reverse_split
  • IPOCSQRCsquare Inc. · Pending
  • IPOSTDNStandard Nuclear Inc. · Pending
  • SplitBKEM3:1 · Forward_split
  • SplitBKIE3:1 · Forward_split
  • SplitBKLC3:1 · Forward_split
  • SplitBKMC3:1 · Forward_split
  • SplitBKSE3:1 · Forward_split
  • SplitCCG1:35 · Reverse_split
  • SplitCANG1:10 · Reverse_split
  • SplitCRDU4:1 · Forward_split
  • SplitIREZ1:3 · Reverse_split
  • SplitLABX6:1 · Forward_split
  • SplitNBIZ1:3 · Reverse_split
  • SplitPONX1:5 · Reverse_split
  • SplitSNDQ1:10 · Reverse_split