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, and stock split dates. Updated regularly from exchange data — plan entries and risk around market closures and corporate events.
Closed Early CloseIPO IPO listingSplit Stock split
May 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
104:00–20:00Splits: GMEX (+5)
Splits
- GMEX1:7 · Reverse_split
- GPUSF1:10 · Reverse_split
- MRAL1:10 · Reverse_split
- MSTP1:20 · Reverse_split
- SMCL1:20 · Reverse_split
- TLIH1:10 · Reverse_split
2Closed
3Closed
404:00–20:00IPOs: KEYYU (+1)Splits: ERNA (+6)
IPOs
- KEYYUKeystone Acquisition Corp. · Pending
- MOTMetaOptics Ltd. · Pending
Splits
- ERNA1:25 · Reverse_split
- ESSID1:25 · Reverse_split
- FCHL1:30 · Reverse_split
- INHD1:20 · Reverse_split
- PCSV1:12 · Reverse_split
- TRI1:1.015682 · Reverse_split
- VEEE1:37 · Reverse_split
504:00–20:00Splits: BAIG (+9)
Splits
- BAIG1:10 · Reverse_split
- BMNG1:20 · Reverse_split
- CRCG1:10 · Reverse_split
- CRWG1:10 · Reverse_split
- DUOG1:10 · Reverse_split
- FIGG1:20 · Reverse_split
- GOVZ1:4 · Reverse_split
- IPTNF1:120 · Reverse_split
- NUVI1:1000 · Reverse_split
- PONGF1:200 · Reverse_split
604:00–20:00IPO: FWACUSplit: MIMI
IPOs
- FWACUFuturewave Acquisition Corp · Pending
Splits
- MIMI1:10 · Reverse_split
704:00–20:00Splits: CHSN (+3)
Splits
- CHSN1:100 · Reverse_split
- ERBGF13:10 · Forward_split
- NKGFF1:5 · Reverse_split
- SBS5:1 · Forward_split
804:00–20:00IPOs: AADX (+3)Splits: BMTLF (+6)
IPOs
- AADXApplied Aerospace Defense Inc. · Pending
- LIMENeutron Holdings Inc. · Pending
- QNTQuantinuum Inc. · Pending
- SFPTSafepoint Holdings Inc. · Pending
Splits
- BMTLF1:10 · Reverse_split
- BNZI1:20 · Reverse_split
- CVNA5:1 · Forward_split
- OLOX1:10 · Reverse_split
- SPODF1:15 · Reverse_split
- TROUF1:10 · Reverse_split
- WTCZF1:20 · Reverse_split
9Closed
10Closed
1104:00–20:00IPOs: INIO (+2)Splits: AIXI (+6)
IPOs
- INIOInnio N.V. · Pending
- SSMRSunshine Silver Mining Refining Co. · Pending
- WHKWhiteHawk Income Corp. · Pending
Splits
- AIXI1:20 · Reverse_split
- ASBP1:30 · Reverse_split
- DKI1:16 · Reverse_split
- FLIVF4:1 · Forward_split
- KALA1:50 · Reverse_split
- SMX1:20 · Reverse_split
- VIBEF1:10 · Reverse_split
1204:00–20:00IPOs: SUCH (+1)Split: NBIAF
IPOs
- SUCHSuchness Tech Ltd. · Pending
- TEACUTidewise Acquisition Corp. · Pending
Splits
- NBIAF1:10 · Reverse_split
1304:00–20:00IPO: MDATSplits: CROTF (+3)
IPOs
- MDATWeb3Labs Global Inc. · Pending
Splits
- CROTF1:20 · Reverse_split
- IAPTF2:1 · Forward_split
- MHVIY2:1 · Forward_split
- WNRS1:300 · Reverse_split
1404:00–20:00IPO: YICCUSplits: SLMT (+1)
IPOs
- YICCUYorkville International Capital Corp. · Pending
Splits
- SLMT1:10 · Reverse_split
- SNGPF1:10 · Reverse_split
1504:00–20:00IPOs: EROC (+3)Splits: BMBRF (+1)
IPOs
- EROCERock Inc. · Pending
- FDMMUFreedom Metals Acquisition Corp. · Pending
- FRBTForbright Inc. · Pending
- JONEUJones Ventures INTL Acquisition1 Corp. · Pending
Splits
- BMBRF200:100 · Forward_split
- LBUY1:156 · Reverse_split
16Closed
17Closed
1804:00–20:00Splits: ADTX (+10)
Splits
- ADTX1:27 · Reverse_split
- EZRA1:40 · Reverse_split
- FRGT1:5 · Reverse_split
- MI1:80 · Reverse_split
- PALL5:1 · Forward_split
- PPCB1:25 · Reverse_split
- PPLT10:1 · Forward_split
- RETO1:4 · Reverse_split
- WNFT1:10 · Reverse_split
- YMT1:15 · Reverse_split
- YYAI1:40 · Reverse_split
1904:00–20:00IPOs: JABU (+2)Splits: CNDCF (+4)
IPOs
- JABUJAB Acquisition Corp I · Pending
- PBLSParabilis Medicines Inc. · Pending
- TKDG3 Knights Dynamics Group Ltd · Pending
Splits
- CNDCF1.1:1 · Forward_split
- EZGO1:150 · Reverse_split
- FNNCF1.1:1 · Forward_split
- NCI1:8 · Reverse_split
- ULTHF1:2 · Reverse_split
2004:00–20:00IPOs: FTRAU (+1)Splits: BYOGF (+4)
IPOs
- FTRAUFutureCorp Space Acquisition 1 · Pending
- SPCXSpace Exploration Technologies Corp. · Pending
Splits
- BYOGF1:30 · Reverse_split
- OPTH1:30 · Reverse_split
- OPTHF1:30 · Reverse_split
- TKMO1:1000 · Reverse_split
- ZAAG1:2500 · Reverse_split
2104:00–20:00IPO: BTECHUSplits: CMND (+4)
IPOs
- BTECHUBTECH Corp. · Pending
Splits
- CMND1:10 · Reverse_split
- HAO1:128 · Reverse_split
- HZMXF3:1 · Forward_split
- HZNSF3:1 · Forward_split
- ONCO1:10 · Reverse_split
2204:00–20:00IPOs: CAES (+6)Splits: IPW (+5)
IPOs
- CAESCantor Equity Partners VII Inc. · Pending
- CBAICoolbit Technologies Ltd. · Pending
- FCBMFirst Carolina Financial Services Inc · Pending
- ISNRUSnow Rothschild Acquisition Corp. · Pending
- KPLKepler Group Ltd · Pending
- NEUCNeucleus Group Ltd. · Pending
- RUIHRUI Holdings Inc. · Pending
Splits
- IPW1:8 · Reverse_split
- LNAI1:8 · Reverse_split
- LZMH1:20 · Reverse_split
- NAKA1:40 · Reverse_split
- NBIAY1:10 · Reverse_split
- UBXG1:25 · Reverse_split
23Closed
24Closed
2504:00–20:00
2604:00–20:00IPOs: CCCTU (+5)Splits: ARLYF (+8)
IPOs
- CCCTUColumbus Circle Capital Corp III · Pending
- CSCMCrestone Strategic Capital Acquisition Corp. · Pending
- DPCDPC Holdings Ltd. · Pending
- KARDKardigan Inc. · Pending
- NTMJNintech Mould Factory Inc. · Pending
- VATVarsal Tech Inc · Pending
Splits
- ARLYF1:5 · Reverse_split
- CCWYF1:20 · Reverse_split
- DSEAF2:1 · Forward_split
- HBNNF1:5 · Reverse_split
- HBTPF1:25 · Reverse_split
- PRTS1:10 · Reverse_split
- TJGC1:3 · Reverse_split
- VSA1:10 · Reverse_split
- WGRX1:50 · Reverse_split
2704:00–20:00IPO: PCAISplits: CUPR (+2)
IPOs
- PCAIPowercheck Ai Holdings Ltd · Pending
Splits
- CUPR1:8 · Reverse_split
- HPURF1:10 · Reverse_split
- SDOT1:20 · Reverse_split
2804:00–20:00Splits: BDLNF (+21)
Splits
- BDLNF1:3.5 · Reverse_split
- BIS1:2 · Reverse_split
- BOIL1:2 · Reverse_split
- BZQ1:2 · Reverse_split
- COIA1:2 · Reverse_split
- EFZ1:2 · Reverse_split
- ELVCF2:1 · Forward_split
- EMTY1:2 · Reverse_split
- NOBL2:1 · Forward_split
- REW1:2 · Reverse_split
- RPGL1:40 · Reverse_split
- RXD1:2 · Reverse_split
- SBB1:2 · Reverse_split
- SCO1:4 · Reverse_split
- SDP1:2 · Reverse_split
- SIJ1:2 · Reverse_split
- SLON1:5 · Reverse_split
- SMN1:2 · Reverse_split
- SWQGF10:1 · Forward_split
- SZK1:2 · Reverse_split
- UXRP1:5 · Reverse_split
- WNBD1:1000 · Reverse_split
2904:00–20:00IPO: FISNSplits: HKIT (+1)
IPOs
- FISNDeep Fission Inc. · Pending
Splits
- HKIT1:3 · Reverse_split
- SLXN1:10 · Reverse_split
30Closed
31Closed
Upcoming market events
- IPOFISNDeep Fission Inc. · Pending
- SplitHKIT1:3 · Reverse_split
- SplitSLXN1:10 · Reverse_split
- SplitCDTG1:25 · Reverse_split
- SplitDAIC1:25 · Reverse_split
- SplitHBIA2:1 · Forward_split
- SplitJDZG1:10 · Reverse_split
- SplitSBFM1:10 · Reverse_split
- SplitSCYX1:8 · Reverse_split
- SplitSMX1:2.285 · Reverse_split
- SplitTBH1:8 · Reverse_split
- SplitCOYY1:6 · Reverse_split
- SplitMTYY1:6 · Reverse_split
- SplitPRHI1:7 · Reverse_split
- SplitTSYY1:8 · Reverse_split
- SplitWYHG1:4 · Reverse_split
- SplitAPLZ1:5 · Reverse_split
- SplitBEZ1:10 · Reverse_split
- SplitGEVX3:1 · Forward_split
- SplitNBIZ1:10 · Reverse_split
- SplitNEBX3:1 · Forward_split
- SplitPW1:10 · Reverse_split
- SplitSNXX8:1 · Forward_split
- SplitWDCX3:1 · Forward_split
- SplitSMSI1:5 · Reverse_split
- SplitLGHL1:6 · Reverse_split
- SplitSNDU3:1 · Forward_split
- SplitAIQUF11:10 · Forward_split
- SplitBBVPF1.09911395:1 · Forward_split
- SplitKLAC10:1 · Forward_split
- SplitJZ1:50 · Reverse_split
- SplitWRDLY1:40 · Reverse_split
- HolidayJuneteenthClosed · NASDAQ, NYSE
- SplitMNDR1:6 · Reverse_split
- SplitPOM1:18 · Reverse_split
- SplitSMERY5:1 · Forward_split
- SplitDD1:3 · Reverse_split
- SplitGBCMY1:10 · Reverse_split
- HolidayIndependence DayClosed · NASDAQ, NYSE
- SplitMARUY10:1 · Forward_split