Most crypto charts display the same handful of elements, but reading them well means knowing which question each one answers. A candlestick tells you who won a single period. Volume tells you whether a move had conviction. Moving averages describe the trend. Support and resistance mark where buyers and sellers keep stepping in. RSI measures speed. None of these, on its own, is a buy or sell signal.
Read the candle before the trend
Each candle encodes four prices for one period: the open, the high, the low and the close. The body runs from open to close, and the wicks show how far price travelled beyond them. A green body means the close beat the open; a red body means it did not. On September 21, 2026, Bitcoin opened at $81,160.33, peaked at $87,397.00 and closed at $86,594.94 — a green candle in which buyers held most of the day’s move into the close.
Volume separates conviction from noise
Volume is how much actually traded, and a price move on thin volume deserves less trust than the same move on heavy volume. Between August 19 and August 21, 2026, Bitcoin climbed from a close of $64,681.33 to $78,325.54, a 21.1% move, on volume that ran well above the recent average. One caveat: the volume a chart shows usually comes from a single exchange, so it is useful for comparing days with each other, not as the market total.
Moving averages confirm a trend after the fact
A 50-day moving average is the average close of the last 50 days; a 200-day does the same over 200 days. When the shorter line crosses above the longer one, traders call it a golden cross. The catch is timing: because these lines are averages, they confirm a trend only after much of the move has already happened. Treat them as a description of direction, not a way to catch the start of one.
Levels are zones, not lines
Support is a zone where buying keeps halting the fall; resistance is where selling keeps halting the rise. In October 2026, Bitcoin’s daily low of $79,676.02 on October 15 came with a close of $82,131.46, and on October 2 it reached $87,249.05, just under the September 21 high of $87,397.00. Prices routinely poke through these levels for a few hours, so it is more useful to read them as ranges than as exact numbers.
RSI measures speed, not direction
The relative strength index runs from 0 to 100 and compares recent gains with recent losses. Readings above 70 are called overbought and below 30 oversold, but in a strong trend RSI can stay at an extreme for weeks. A trader who treated overbought as a sell signal would have missed the rest of the August 2026 advance. Use RSI as a gauge of how fast price has moved, alongside other evidence.
Put the signals together
A single candle, a single moving-average cross or one RSI reading means little by itself. The useful habit is to check the timeframe first, then look for several signals that agree — a close through a level on rising volume, with momentum supporting it — and to remember that a pattern on a 15-minute chart is often just noise on a daily one.
Adapted from How to Read Crypto Charts: A Real Bitcoin Example.