Live stream · Prod MVP

The market, instant

Twelve Data over a single WebSocket → prices refreshed once a second via SSE. A symbol drops out of the stream when you stop watching it.

Operations panel

ConnectionClosed

Active connections—

Active symbols—

TD socketidle

Uptime—

Last event—

Watched10/10

Stale0

Market hours

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US market hours (America/New_York)

While the session is closed the last close is shown and rows are marked stale .

Live prices

AssetLastChangeUpdated

QQQ

Nasdaq-100 · QQQ

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SPY

S&P 500 · SPY

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TSLA

Tesla

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IREN

IREN Ltd

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RKLB

Rocket Lab

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NASA

Tema Space ETF

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MSFT

Microsoft

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ASTS

AST SpaceMobile

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SPCX

SpaceX

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SMH

VanEck Semis

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