Stage 01 · Launch
Start with dependable delayed coverage.
Use Marketstack for licensed equity and ETF history, cache responsibly, and label every delayed figure clearly.
- U.S. equities
- ETF index proxies
- Historical prices
- Previous-close changes
Milestone 27 · Data Strategy
Economical data now. A clean path to real time.
Market Master begins with useful delayed datasets and upgrades only the experiences that genuinely need licensed, low-latency delivery.
Launch providerMarketstackScale providerMassiveKeysServer-side only
Stage 02 · Scale
Upgrade time-sensitive products.
Move intraday U.S. equities and terminal-grade workflows to Massive after licensing, load testing, and commercial demand justify the cost.
- Intraday U.S. equities
- Live trades, quotes, and bars
- WebSocket streams
- Entitlement-aware delivery
Data integrity
Every number carries context.
Identify
Show provider and asset symbol.
Timestamp
Display when the dataset was observed.
Qualify
Mark delayed, stale, or fallback data.
Protect
Keep credentials off the browser and WordPress markup.
Migration gates
Real time is earned by the product—not added as decoration.
- Confirm a feature requires intraday latency.
- Confirm the commercial data license permits the intended display.
- Load-test caching, quotas, and failure handling.
- Enable the feed only for entitled experiences.