24X National Exchange
24X National Exchange LLC
SEC-approved national securities exchange (Nov 2024). Stage 1 launch Sep 29, 2025 with 5 symbols (MSFT, AAPL, TSLA, AMZN, NVDA). Designed for 24-hour continuous trading across regular, extended, and overnight sessions. Operator: 24 Exchange Inc.
// CALCGUARD TAXONOMY
STRUCTURAL INNOVATORMARKET STRUCTURE
Limit Order Book
INNOVATION
Tier 1 · Structural Innovation
PRIORITY
Price-Time
TEMPORAL
24-Hour Continuous
// SEGMENTATION & INNOVATION
SEGMENTATION METHODOLOGY
First SEC-approved national securities exchange with overnight trading hours. Stage 1 launched Sep 29 2025 covering 4:00 AM - 8:00 PM ET. Plans phased expansion toward 23-hour continuous trading. CLOB model with maker-taker pricing. Direct competitor to overnight ATSs (Blue Ocean, Bruce) but as a lit exchange with full price transparency and NMS protections.
STRUCTURAL DETAIL
First SEC-approved national securities exchange designed for 24-hour continuous trading (24/5). Stage 1 launched Sep 29, 2025 with 5 mega-cap symbols. Represents temporal innovation beyond any existing ATS overnight venue, operating as a fully regulated exchange rather than an ATS.
// IDENTIFIERS
MIC
24XN
conf: 0.99 · SEC_EDGAR
MIC
XTFX
conf: 1.00 · ISO_10383
MPID
TWFX
conf: 0.99 · SEC_EDGAR
MPID
24EX
conf: 1.00 · SEC_EDGAR
LEI
254900GFXR7VQ7N3QM73
conf: 0.99 · SEC_EDGAR
// NMS VOLUME
SIGINT Processing
Analyzing SEC filing intelligence... stand by for assessment
// AFFILIATE RELATIONSHIPS
OUTBOUND →