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tastylive

Build Your Own Trading App, Starting With Live Market Data

NowPress play to follow along0:00 / 6:59
Chapters8 segments · tap to seek
ticker lesson

Breakdown

0:00lesson

Tasty Trade API market data overview

  • Introduces Tasty Trade API for market data
  • Discusses streaming and REST capabilities
  • Explains creating a watch list via API
2:11lesson

OCC vs DXlink symbol formats

  • OCC format for options
  • DXlink streamer symbols
  • Difference in complexity
4:37lesson

Order of operations for DXlink

  • Connect, setup, O, channel request
  • Subscribe to get events
  • Order of operations is key
6:52lesson

DXlink demo and authentication

  • Demo app used for authentication
  • Obtaining DXlink token
  • Subscribing to DXlink URL
6:53lesson

Streaming vs REST market data

  • DXlink streamer for live data
  • REST endpoint for market data
  • Query parameters for symbols
6:54lesson

Option chains and market metrics

  • Three chain endpoints: nested, compact, full
  • Market metrics: IV rank, IV percentile, liquidity
  • Tools for options analysis
6:55lesson

Building a watch list via API

  • POST request to create watch list
  • Integration with Tasty Trade platform
  • Real-time watch list creation
6:56lesson

Common issues with quotes and streaming

  • Subscription limits on DXlink
  • Incorrect symbol usage
  • Session not found errors

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