Mo

Market Signal Lab

Live-looking market intelligence, powered by a Go backend.

A recruiter-facing systems demo that normalizes crypto and stock-watch signals, shows provider freshness, exposes backend health, and leaves real observability traces.

Backend repoGrafana soon
Normalized assets5

Crypto-first watchlist with selected stock signals for recruiter-friendly context.

Provider latency37ms

demo-market-provider

Cache statefresh

Rate-limit aware backend boundary.

Quotes

Crypto and stock-watch signals

crypto2.84%
BTC

Bitcoin

$68,420
crypto1.37%
ETH

Ethereum

$3,215
crypto-3.18%
SOL

Solana

$147.26
stock-watch0.94%
NVDA

NVIDIA

$884.12
stock-watch-0.42%
MSFT

Microsoft

$421.48

Source mix

What gets normalized

CryptoBTC / ETH / SOL

Designed for CoinGecko/CoinMarketCap-style providers.

Stock watchNVDA / MSFT

Kept intentionally small because free stock APIs are stricter.

Activity

System trail

10:07:28 PMNormalized provider response into portfolio-safe market signals.success
10:06:43 PMBTC quote updated and scored.success
10:05:58 PMSOL quote updated and scored.success
Next.js PortfolioGo Signal APIProvider AdaptersTTL CacheSupabase-readyGrafana Metrics