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WebSocket vs REST API for Trading - Speed Comparison 2026

The Numbers

  • REST HTTP polling: 500ms - 3s latency
  • WebSocket: less than 50ms latency
  • During NFP: REST delivers ~30 updates/min, WebSocket delivers ~6000

Read the full comparison: https://blog.quant-view.xyz/tradingview-vs-gfil-boss.html

Try it yourself: https://gfil-intel.xyz

Free tools: https://blog.quant-view.xyz/tools/

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