NotesByLex

Computational Investing Part I (Coursera) - Week 7

Week 7

Module 1

1.1

  • Information feeds -- for event studies
  • Thomson Reuters Machine Readable News
    • Machine readable news feeds
  • StarMine
  • InsiderInsights
  • What to look for
  • Historical data you can back test
  • Survivor bias free
  • Ease of integration with your sys
  • Low latency
    • Get to you quickly so you can act on it.

1.2

  • TA uses historical price and volume data only to compute "indicators"
  • Indicators are calculated from recent price and volume data to predict future price movements
  • Indicators are "heuristics"
  • Discusses the controversial side of technical analysis
  • An information source?
  • Depends on info in historical price and volume
  • "Market physics"
  • Limit to how quickly market can move
  • Tucker's view on Technical Analysis is interesting

1.3

  • How to compute Bollinger Bands
  • Read in historical closing prices
  • mid = "rolling" mean over look back period (average over 5 week period, for example)
  • std = "rolling" STDEV over look back
  • upper = mid + std
  • lower = mid - std
  • Current "value" of Bollinger
  • if current price at Upper band = 1.0
  • if current price at Lower band = -1.0
  • Val = (price - mid / std)