Just so you get a feel for some of the expert TA you are missing out on. Learn about the fear and greed in a trading setup and each trade experience becomes infinitely more valuable.
Trading flow analysis is the way to calculate buyer transactions versus sellers. As you guess, the only real method to measure buyer interest in security.
As the most recent example Shire Pharmaceuticals PLC (SHPGY) climbed 7% after the recent divergency between the price and the orders flow, when the price of the stock absorbed some losses. However, the number of shares traded in buyer-initiated trades exceeded the number of shares traded in seller-initiated trades by 45%. Learn how to apply Trading Flow analysis to give you advanced clues of stock moves here http://yatuc.com/22i