Technical analysis is the disciplined study of price, volume, and open interest together, to spot genuine imbalances between buyers and sellers, confirmed by more than one signal, and held to a standard of testable evidence rather than folklore. That's the short version. Below is where that definition actually comes from, four respected technicians, read directly, not summarized secondhand.
Murphy's definition
And immediately after, he adds something most traders skip past: "The term market action includes the three principal sources of information available to the technician, price, volume, and open interest." Stop here. This is the first correction most people need. Most people say technical analysis studies price. Murphy says it studies market action, which is price plus volume plus open interest, together. Price alone is incomplete, like reading a book with half the pages torn out.
Pring's definition
Pring adds two things Murphy doesn't stress as heavily. First, weight of evidence, not one indicator, not one signal, multiple things agreeing at once before you act. Second, the word art. Not science, not formula. Art, judgment built through study and experience. Two trained technicians can look at the same chart and disagree, and both can be right for their own timeframe and framework.
Grimes' definition
Grimes doesn't define technical analysis the way Murphy and Pring do, he cuts straight to the bone. We don't trade charts. We don't trade indicators. We don't trade patterns. We trade imbalances. Charts, patterns, and indicators are just ways of seeing those imbalances, the imbalance itself is the actual trade. He also writes that most of the time, markets are efficient, meaning all available information is already in the price. Edges exist only at moments of genuine imbalance. Most of the time, there is no edge. The discipline is knowing when it exists and when it doesn't.
Aronson's definition
Then, immediately: "Much of popular or traditional TA stands where medicine stood before it evolved from a faith-based folk art into a practice based on science. Its claims are supported by colorful narratives and carefully chosen anecdotes rather than objective statistical evidence." Aronson is the harshest voice in the library. He isn't saying technical analysis doesn't work. He's saying most people practice it like religion, on faith, not on tested evidence. His real question isn't "is TA an art or a science," he says that's the wrong question entirely. The correct question is: should TA be based on superstition, or on science? His answer is science. Every signal must be testable. Every claim must be verifiable. If two analysts applying the same method to the same chart reach different conclusions, that method isn't testable, and if it isn't testable, it isn't knowledge. It's belief.
Where these four actually stand, together
None of these four contradict each other. Murphy tells you what to look at, market action, not price alone. Pring tells you how to hold your judgment, weight of evidence, not one signal. Grimes tells you what you're actually trading underneath the chart, imbalance, not pattern. Aronson tells you the standard your own beliefs need to survive, testable, not anecdotal. Put together, that's the actual definition this curriculum works from: technical analysis is the disciplined study of market action, price, volume, and open interest, to identify genuine imbalances between buyers and sellers, using multiple confirming signals, held to a standard of testable evidence rather than folklore.
This page carries the real synthesis, the actual comparison, the actual quotes. What it doesn't carry yet is the live drilling, real Nifty scenarios tested against this definition until it's second nature. That part happens in FF Knights, not here, because reading a definition and being able to apply it under real market pressure are two different skills.