Computational Investing Part I (Coursera) - Week 7
Lex Toumbourou ·
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)