Most traders learn candlesticks wrong: memorizing names — Doji, Hammer, Engulfing — and scanning charts for those shapes, as if pattern matching equals understanding the market. It doesn't. A candlestick is a record of a battle between buyers and sellers, and reading it correctly means understanding what that battle reveals about the balance of power at that moment.
WHAT A CANDLE ACTUALLY RECORDS
Every candle contains four data points: open, high, low, close. The body shows the net result of buying and selling pressure. A large body means decisive directional commitment. A small body means neither side won convincingly.
The wicks are where most traders miss critical information. The upper wick shows how far buyers pushed before sellers forced price back down. A long lower wick doesn't automatically mean "buy" — it means sellers dominated part of the session, drove price to a low, and were completely overwhelmed by buying strong enough to close near the high. Wick magnitude directly reflects rejection magnitude.
CONTEXT, NOT ISOLATED PATTERN
According to CFA Institute research, pin bar setups achieve 54-58% reliability when aligned with support/resistance and trend context. Remove that context — the same pin bar mid-range with no structural significance — and reliability falls near random. This is the central lesson: the pattern isn't the signal. The pattern in context is the signal.
READING BODIES FOR MOMENTUM
The relative size of candle bodies across a sequence reveals trend health. In a healthy uptrend, bullish candles should have larger bodies than bearish ones. As a trend exhausts, you see bullish bodies shrinking, then indecision candles, then dominant bearish bodies — the candlestick narrative of a reversal, without needing a specific pattern name to read it.
Practical action: manually identify 20 pin bar or engulfing candles on a historical chart and classify them "at a significant level" or "without context," before checking the actual outcome.