4
votes
4answers
134 views

Why was NASDAQ(or other index) not fluctuating in 70s and 80s?

Today I have a search of historical NASDAQ back to 70s and noticed the index was slightly increasing in 70s-early 90s and rising up and down in recent decade of years. Why would that happen? The only ...
1
vote
2answers
163 views

constructing best bid/ask from NASDAQ TotalView-ITCH data

anybody know how to construct a intraday stock price from NASDAQ TotalView-ITCH data? I would need to know the price in millisecond, so I would need two rows: timestamp (for every millisecond) and ...