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CandleCraft Academy
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How Does a Candle Become
Green or Red in Trading?

Every single candlestick on a trading chart is a visual story of a battle between buyers and sellers within a specific timeframe (1 min, 1 hour, or 1 day). Discover exactly how price ticks transform into bodies and wicks.

Bullish Candle 🟢
Close > Open

Buyers won the session. The price ended higher than where it started when the timer rang.

Bearish Candle 🔴
Close < Open

Sellers won the session. The price ended lower than where it started when the timer rang.

Core Foundation

The 4 Data Points: O-H-L-C

Whether a candle is 1-minute long or 1-month long, it records only 4 specific price levels during that interval.

Green (Bullish) Candle
Session Outcome: +GAIN

Price Pushed Upward

Notice that for a Green candle, the OPEN is at the bottom of the body, and the CLOSE is at the top of the body.

$120.00 $112.00 $98.00 $90.00 HIGH (Peak Price) CLOSE (Higher!) Real Body (Gains) OPEN (Start) LOW (Trough)
Upper Wick = Selling rejection at peak Lower Wick = Buying support at bottom
Red (Bearish) Candle
Session Outcome: -LOSS

Price Pushed Downward

Notice that for a Red candle, the OPEN is at the top of the body, and the CLOSE is at the bottom of the body.

$120.00 $112.00 $98.00 $90.00 HIGH (Peak Price) OPEN (Start) Real Body (Loss) CLOSE (Lower!) LOW (Trough)
Upper Wick = Bullish attempt failed Lower Wick = Modest recovery attempt
Step-by-Step Chronology

The 4 Sequential Steps of Every Candle

From the first second the timer starts until the final tick when it expires:

01

The Open (First Tick)

The new time period begins (e.g. 9:15 AM). The very first transaction price establishes the OPEN benchmark. At this exact millisecond, there is no body, just a single horizontal dash.

02

The Struggle (Intra-bar)

Price fluctuates up and down. While price is trading above Open, the candle paints temporarily green. If it sinks below Open, it instantly flips to red.

03

Wick Leaves Its Footprint

If price pushed up to $150 but retreated to $130, the $150 level leaves a thin upper line (wick / shadow). It records how far buyers or sellers ventured before being pushed back.

04

The Close (Color Locked)

The timeframe period ends. The final transaction becomes the CLOSE. The color locks permanently: Green if Close > Open, Red if Close < Open.

Hands-On Practice

Interactive Candle Builder Lab

Adjust the sliders below to dynamically watch the candle transform its body, wicks, and color in real time!

Session Presets:

1. Open Price: $100
2. Highest Price: $135
3. Lowest Price: $80
4. Close Price (Current / Final): $125
Outcome: Green (Bullish) Close ($125) is higher than Open ($100). Buyers dominated the period by pushing the valuation up +$25.00.
Real-time Rendering
$150 $125 $100 $75 $50 O: $100 C: $125
Spread: $55
Body Size: $25
Wick Total: $30
🟢 The Bullish Playbook

3 Classic Green Candlesticks with Real Steps

A green candle doesn't only mean "price went straight up." The internal path taken defines trader psychology.

Example 1 Trend Continuation

Bullish Marubozu

Complete buyer dominance from start to finish. Virtually zero wicks.

Close = High ($150) Open = Low ($100)
1. Open at $100: Right at the opening bell, aggressive buying orders flood the order book.
2. No Dip: Sellers couldn't push the price even 1 cent below the open ($100 = Low).
3. Closes at $150: The candle closes right at its exact peak, creating an unbroken green block.
Signal: High Bullish Momentum ⚡ High Win-rate
Example 2 Reversal Pattern

Bullish Hammer

Sellers attacked hard, but buyers defended and completely reversed the move.

Close ($115) Open ($110) Low ($80)
1. Open at $110: Bears initially panic-sold the asset down drastically toward $80.
2. Rejection: Institutional buyers stepped in at $80, aggressively buying all available volume.
3. Closes at $115: Price climbed all the way back above the Open, creating a huge tail wick.
Signal: Bottom Reversal 🛡️ Strong Support
Example 3 Indecision with Bull Edge

Bullish Spinning Top

A volatile tug-of-war where bulls managed to hold a tiny positive gain.

High ($140) Close ($107) Open ($103) Low ($70)
1. Open at $103: Intense battle erupts with sharp swings in both directions.
2. Extreme Spikes: High reached $140, but low crashed to $70 as neither side held control.
3. Closes at $107: Market settled nearly where it started, but slightly higher (+$4), yielding a green color.
Signal: High Volatility ⚖️ Equilibrium
🔴 The Bearish Playbook

3 Classic Red Candlesticks with Real Steps

A red candle signifies that the session closed beneath its inception point. Here is how sellers construct their victory.

Example 1 Total Dump

Bearish Marubozu

Pure unmitigated selling pressure. Bulls were completely non-existent.

Open = High ($150) Close = Low ($90)
1. Open at $150: The period starts and immediate, relentless sell walls are executed.
2. No Bounces: The price never ticks above the open price for the entirety of the duration.
3. Closes at $90: Period ends at the absolute rock bottom of the session, locking in a huge red block.
Signal: Severe Bearish Dump 📉 Panic Selling
Example 2 Bull Trap Reversal

Shooting Star

Buyers attempted a breakout rally, were rejected aggressively, and lost.

High ($145) Open ($105) Close ($100)
1. Open at $105: Buyers immediately bid price up to $145. At mid-session, the candle looked huge and green.
2. Exhaustion: Big players used this liquidity to short, crashing the price all the way down.
3. Closes at $100: Price sinks beneath Open ($105), turning the whole candle red with a long roof wick.
Signal: Bearish Top Reversal 🪤 Trapped Longs
Example 3 Trend Killer

Bearish Engulfing

Opens higher than the previous session's high, but collapses down to bury it completely.

Open ($130) Close ($85)
1. Gap Open at $130: Price opens above the prior day's close due to overnight hype.
2. Heavy Supply: Intense selling overwhelms buyers, piercing right through multiple price floors.
3. Closes at $85: Closes far beneath the starting level of both this session and the preceding session.
Signal: Major Trend Flip ⚠️ Bearish Power

Summary Cheat Sheet: Green vs Red

Feature Green Candlestick (Bullish) Red Candlestick (Bearish)
Opening Level Located at the bottom of the body Located at the top of the body
Closing Level Located at the top of the body Located at the bottom of the body
Formula Close > Open Close < Open
Market Sentiment Buyers were aggressive; Demand outweighed supply Sellers were aggressive; Supply outweighed demand
Upper Shadow (Wick) High minus Close (How much profit was given back) High minus Open (Where bulls tried to rally but failed)
Lower Shadow (Wick) Open minus Low (Deepest discount that buyers defended) Close minus Low (Slight recovery before bell rang)
Check Your Knowledge

Quick Check: What Color is This Candle?

• Open: $240.00
• High: $255.00
• Low: $232.00
• Close: $236.50