intermediate8 min

Technical Indicators Explained: MA, RSI, and MACD for Crypto Traders

Moving averages, RSI, and MACD are the three core technical indicators for crypto trading. Learn what they measure, how to read them, and how to combine them to reduce false signals.

Technical Indicators Explained: MA, RSI, and MACD for Crypto Traders

Indicators look at the past. They don't predict the future — but combined with support, resistance, and trend, they become genuinely useful.

TL;DR

  • Indicators only show what has already happened — never use one in isolation
  • Moving averages (MA 50, MA 200) filter out noise to show the underlying trend
  • RSI measures whether an asset is overbought (>70) or oversold (<30)
  • MACD measures momentum — whether a trend is accelerating or slowing down
  • A strong signal requires multiple indicators pointing in the same direction

Before Anything Else

Indicators look at the past. They don't predict the future. A single indicator generates a lot of false signals — it only shows what happened, not what will happen.

Combined with support/resistance levels and trend direction (covered in the trading basics guide), they become much more reliable.


Moving Averages (MA)

A moving average smooths out the price over a given period to filter noise and reveal the underlying trend.

It calculates the average of the last X prices. Example on 5 days:

  • Monday: $2,000
  • Tuesday: $2,200
  • Wednesday: $1,900
  • Thursday: $2,100
  • Friday: $2,300

(2000 + 2200 + 1900 + 2100 + 2300) ÷ 5 = $2,100

Instead of prices zigzagging in every direction, you see a line reflecting the general direction. On a chart, it appears as a line that follows the price without the sharp swings.

The Two Main MAs

  • MA 50 = average of the last 50 candles → short/medium-term trend
  • MA 200 = average of the last 200 candles → long-term trend

How to Read Them

  • Price above the MA → bullish trend ✅
  • Price below the MA → bearish trend ⚠️

The daily MA 200 is a major level watched by professional traders worldwide. When BTC or ETH crosses back above their MA 200, it's a strong signal.


RSI — Relative Strength Index

The RSI measures whether an asset is overbought or oversold. It oscillates between 0 and 100 and appears below the price chart as a separate panel.

| RSI | Signal | |-----|--------| | > 70 | Overbought — price has risen too fast, possible reversal downward | | < 30 | Oversold — price has fallen too fast, possible bounce upward | | 30–70 | Neutral zone |

RSI oversold (< 30) doesn't mean "bad" — it's often a potential buying opportunity when other signals confirm.

Concrete example: ETH rises from $2,000 to $4,000 in two weeks → RSI at 85. Buyers are exhausted, reversal is possible.

Classic mistake: RSI at 80 ≠ "sell now." In a strong bull market, RSI can stay at 80–90 for weeks. That's normal — it just confirms the trend is strong. The RSI indicates extremes, not exact timing.


MACD

The MACD measures momentum — whether the price trend is accelerating or slowing down. It appears below the price chart, separate from the RSI.

The Histogram (Bars) — Start Here

  • 🟢 Green bars = buyers are accelerating, the uptrend is gaining strength
  • 🔴 Red bars = sellers are accelerating, the downtrend is gaining strength
  • Green bars shrinking = the uptrend is slowing → possible reversal downward
  • Red bars shrinking = the downtrend is slowing → possible bounce upward

The Two Lines (Going Further)

  • MACD line crosses above the Signal line → bullish signal
  • MACD line crosses below → bearish signal

In practice: the MACD confirms a trend, it doesn't predict it. Strong support + bullish MACD crossover = a much more reliable signal.


Which Assets to Use These Indicators On

Technical analysis (MA, RSI, MACD, support/resistance) works on any asset with a price history — BTC, ETH, SOL, stocks, forex. The logic is the same everywhere.

But reliability depends on the asset:

BTC/ETH → reliable signals, very liquid market, hard to manipulate. Ideal for beginners.

Small tokens / memecoins → the price can be manipulated by a single large wallet. An RSI at 30 means nothing — the token can keep dropping to zero. Avoid technical analysis on these.

Liquidity pools → different analysis. You look at TVL, APY, and trading volumes — not classic technical indicators.

Simple rule: the smaller and less liquid the market, the less reliable technical analysis is. For beginners: stick to BTC and ETH.


How to Use TradingView

TradingViewtradingview.com

The reference platform, free and used by all professional traders.

Step 1 — Open the ETH chart Go to tradingview.com → search bar → type ETHUSD → select Ethereum / U.S. Dollar

Step 2 — Set the timeframe At the top: 1m 5m 15m 1h 4h 1D 1W → click 1D

Step 3 — Add indicators Click Indicators (fx icon at the top) → search:

  • "Moving Average" → set period to 200
  • "RSI" → select Relative Strength Index
  • "MACD" → select MACD

Step 4 — What you'll see

  • A line following the price = MA 200
  • Below: a line oscillating between 0 and 100 = RSI
  • Below: green/red bars with two lines = MACD

How to Combine Indicators

Never use a single indicator alone — too many false signals.

Example of a strong confluence:

  • The price touches a strong support on the 1D ✅
  • The MA 200 is just below and holding ✅
  • RSI is at 28 (oversold) ✅
  • MACD shows red bars shrinking ✅

→ Multiple indicators pointing in the same direction = a much more reliable signal than any single indicator in isolation.