Price actionPrice action — reading a chart from price itself (the candles), rather than from calculated indicators layered on top. is the study of raw price movement — candles, ranges, highs and lows — read
without indicatorsIndicators — tools calculated from price (moving averages, RSI, MACD…). Useful, but one step removed from what price is actually doing.. CANDLEWORK is a living atlas where every pattern builds itself in front of you, so you
learn to describe what the market did instead of guessing what it will do.
Never read a candlestick chart before? This is the whole skill in four moves. The rest of the atlas is just
practising them.
1
One bar = one candle
Each candle is a fixed slice of time — a minute, an hour, a day. A chart is just these slices, left to right.
2
Colour is direction
Green closed above where it opened (buyers led); red closed below (sellers led). Colour means up or down — never "good" or "bad".
3
Body vs wick
The thick body is conviction; the thin wicks are prices that were reached, then rejected before the close.
4
Read the sequence
One candle says little. Meaning comes from the story several tell together — and where on the chart they appear.
DefinitionBeginner
A candle is one honest sentence the market speaks
Every candlestickCandlestick — one bar showing four prices for a chosen period: where it opened, its high, its low, and where it closed. reports four prices for one slice of time: open, high, low, and close.
The bodyBody — the thick part, from open to close. A long body means one side won decisively; a short body means a near-draw. runs from open to close — green when price rose, red when it fell — and the thin wicksWicks (or shadows) — the thin lines above and below the body, marking the highest and lowest price reached before the close pulled back. reach the
extremes. Read in sequence, candles become a language: pressure, hesitation, exhaustion, reversal.
This atlas teaches that language pattern by pattern — descriptively and honestly. No pattern
predicts the future; each one names a behaviour and the psychology beneath it.
Motion guideWatch
Watch a candle form, tick by tick
A candle isn't drawn all at once — it's built live as price ticks up and down. The open
locks first; the high and low stretch to the extremes reached along the way; the close is simply wherever price sits
when the period ends. Here it is in motion:
OPEN—HIGH—LOW—CLOSE—forming…
Build oneInteractive
Build a candle, watch it earn its name
Drag the four controls. As the shape changes, so does what the candle is called — and what it means.
This is where the vocabulary finally clicks: a hammer and a doji aren't memorised, they're shapes you can feel.
—
TheoryDeeper
Why raw price action works at all
A chart isn't decoration — it's the footprint of an auctionAuction — a market is a continuous negotiation between buyers and sellers. Price moves to wherever the next trade can happen..
Every candle is real money changing hands: buyers and sellers agreeing, disagreeing, and settling on a price for that slice
of time. Patterns are just the visible shape of that negotiation — hesitation, exhaustion, a sudden shift in who's in control.
Price action reads those footprints directly, one step closer to the action than any
indicatorIndicator — a value calculated from price. Helpful, but always a summary of what price already did. derived from them. It works not because candles are magic, but because
supply and demandSupply & demand — more eager buyers than sellers lifts price; the reverse sinks it. Every candle is that balance, resolved. leave the same marks whenever crowds behave like crowds.
The market can only do four things — rise, fall, range, or reverse. Price action is the grammar for naming which, as it happens.
▲ BUYERS · demanda live negotiation…supply · SELLERS ▼
Featured exhibits
Patterns that build themselves
Hover any exhibit to watch the candles form. Each entry describes behaviour and the psychology
behind it — never a promise of what comes next.
▲▼ Indecision
The Doji
Open and close finish at nearly the same price. Buyers and sellers fought to a draw — the candle is almost all wick, no body.
PSYCHOLOGY ▸ a pause in conviction. Meaningful only in context — after a long trend it can mark hesitation, mid-range it means little.
Go deeper
Confirms when
It appears after a clear trend and the next candle pushes the opposite way.
Invalidated by
Price closing decisively through it, continuing the original trend.
Common mistake
Reading meaning into every doji — most, mid-range, mean nothing.
▲ Bullish engulfing
The Engulfing
A large green candle's body fully covers the prior red one. Buyers didn't just win the period — they erased the last.
PSYCHOLOGY ▸ a shift in control. Strongest after a decline and on real volume; alone it describes, it does not guarantee.
Go deeper
Confirms when
It forms after a decline, at support, on rising volume.
Invalidated by
Price closing back inside the prior candle's body.
Common mistake
Chasing it mid-range with no level behind it.
▲ Hammer
The Hammer
A long lower wick with a small body up top. Price fell hard, then buyers dragged it back before the close.
PSYCHOLOGY ▸ rejection of lower prices. Context is everything — a hammer in a downtrend reads differently than one in chop.
Go deeper
Confirms when
The long lower wick lands at support and the next candle follows through upward.
Invalidated by
The next candle breaking below the hammer's low.
Common mistake
Buying a hammer in a strong downtrend with no support beneath it.
AnatomyBeginner
Every part has a meaning
BodyOpen-to-close range — the settled conviction of the period.
CloseWhere it ended. Above open → green; below → red.
OpenWhere the period began — the first agreed price.
Upper wickThe high buyers reached before being pushed back.
Lower wickThe low sellers reached before buyers recovered.
▸ Hover or tap a part to light it up on the candle.
Look-alikesNuance
Same shape, opposite meaning
Some candles are identical twins — only their location tells them apart. Spotting the shape is
half the skill; reading where it sits is the other half.
Hammer vs Hanging Man
The exact same candle. At the bottom of a decline it's a bullish hammer; at the top of a rally it's a bearish hanging man.
Inverted Hammer vs Shooting Star
Identical long upper wick. After a fall it hints at a bottom; after a rise it warns of a top.
Read it honestlyDeeper
Three truths that keep patterns honest
The patterns are vocabulary. These are the grammar — the difference between reading a chart and
fooling yourself with one.
01 · CONTEXT
A candle is a word, not a sentence
One candle rarely means much. Meaning comes from sequence and location — the same hammer is powerful at the
bottom of a long decline and pure noise in the middle of a range. Always read the neighbours.
02 · TIMEFRAME
The timeframe changes the story
A bullish engulfing on a 5-minute chart and one on the weekly are different-sized events. Zoom out before you
trust a signal — a dramatic move on a small clock can be a rounding error on a large one.
03 · CONFIRMATION
Describe, don't predict
A pattern reports what just happened; it never promises what's next. Disciplined traders wait for the following
candles — or their own written plan — to agree, instead of acting on the pattern alone.
The honest answerEvidence
Do candlestick patterns actually work?
Alone, barely. In context, a little. As a guarantee, never. A pattern on its own sits close to a
coin flip once trading costs are counted. What tilts the odds is everything around it — and even then the edge is
modest and genuinely debated.
Published backtests range from "no better than random" to small single-digit edges, and results swing
widely with the market, the timeframe, and the exact rules tested. Anyone quoting one clean, high win-rate is usually
selling something. Here's what actually moves reliability — the direction of the effect, not a promise:
Pattern alone≈ coin flip
+ with the trenda little better
+ at a key levelbetter still
+ volume confirmsstrongest
▸ These bars show the shape of the effect, not precise probabilities — reliability figures vary by
study and are contested. The one edge that's repeatable for most people isn't the pattern at all: it's risk management
and discipline. That's why this atlas has a whole Risk Room and
Simulator.
Anatomy of a tradeProcess
One trade, start to finish
A pattern is only the setup. A real trade has an entry, a stop that defines
your risk, a target, and an exit — win or lose. Watch a full one play out, then run it
again: sometimes it wins, sometimes it doesn't, and making peace with that is the whole job.
setting up…
The other halfHonest
When patterns fail — and why
Every guide shows the patterns that worked. Here's the half they skip: the same shapes, failing —
because context, not the candle, does the real work. Watch each one play out.
Hammer in a downtrend
A textbook hammer — but no support beneath it and a strong trend against it. Why it failed: a shape without a level is just a shape.
Engulfing in the chop
A clean bullish engulfing — stranded mid-range with nothing to react to. Why it failed: no level, no trend, no volume behind it.
The doji everyone traded
A doji read as a top — but it sat mid-trend, meaning nothing. Why it failed: the trend simply carried on.
OriginsHistory
Born in a rice market, three centuries ago
Candlestick charting traces back to 18th-century Japan and the Dōjima Rice Exchange in Osaka —
widely described as one of the world's first organised futures markets. Rice traders needed a way to record not just
the closing price but the whole day's battle: where it opened, how high and low it swung, where it settled.
Tradition credits the legendary rice trader Munehisa Homma with pioneering this way of
reading price as emotion and momentum. The technique stayed largely within Japan until analyst Steve Nison
introduced candlesticks to Western markets in his 1991 book — and today they are the default chart on nearly every screen on Earth.
▸ Historical attributions here follow common accounts and are debated by historians; the lineage is well
established even where specific legends are not. Presented as background, not as investment guidance.
The full atlas
A library that keeps growing
Every pattern earns its own animated, sourced entry — no email wall, no upsell.
Filter the library, and each charted pattern shows its shape at a glance.
TerminalInteractive
Query the atlas like a trading desk
Type a pattern name for its instant read, or a commandTry help, list, a pattern name like hammer, or cheatsheet. to explore.
This is the whole cheat-sheet, on a command line.
CANDLEWORK://price-action v1 · sample data · not advice
❯
Train your eyeGame
Spot the pattern
Reading charts is pattern recognition, and recognition is a trained reflex. Name the highlighted
pattern — instant feedback, endless rounds, and a score that tracks your eye, not your trading.
Which pattern is highlighted?0 / 0 · streak 0
Under the hoodAdvanced
How the market actually works Pro layer
Charts are the surface. Underneath sits the machinery that decides who you trade with, where your
order goes, and what it really costs — the layer most retail traders never see.
// 01 · Liquidity
Who's actually on the other side? Market makers.
When your order fills in an instant, you're usually not trading with another retail trader — you're trading with a market maker.
Market makers are firms that continuously quote both a bid (a price they'll buy at) and an ask (a price they'll sell at), earning the gap between them — the spread. In return they supply the liquidity that lets you get in and out instantly, and they carry the risk of holding inventory that can move against them. On venues like the NYSE, certain firms are designated market makers with a standing obligation to keep quoting.
The key insight: market making is a risk-management business, not a prediction business. Classic academic work — the Glosten–Milgrom model (1985) — shows the spread must be wide enough to cover the losses a maker takes when they unknowingly trade against someone with better information. That "adverse selection" is exactly why spreads widen when uncertainty rises.
// 02 · Routing
Where your order actually goes — payment for order flow
Your "commission-free" trade isn't free. It's paid for by selling your order.
Most retail brokers don't send your order straight to an exchange. They route it to a wholesaler — a large market-making firm such as Citadel Securities or Virtu — that pays the broker for the right to fill it. This is payment for order flow (PFOF), and it's a major reason commissions collapsed to $0.
The wholesaler often fills you at or slightly better than the public best price ("price improvement"), then profits from the spread and its read on the flow. The debate: regulators — including former SEC Chair Gary Gensler — have noted that the large majority of retail orders (by his estimate, roughly 90–95%) never touch a public "lit" exchange, raising questions about whether best execution always beats the payment. Brokers must disclose PFOF; a few refuse it entirely.
// 03 · Visibility
The market you can't see — dark pools & hidden liquidity
A large share of trading happens where you can't see it.
Beyond the visible exchanges lies a world of off-exchange venues — dark pools and broker internalization — where, by common estimates, roughly 40–45% of US equity volume traded off public exchanges in the mid-2020s (figures vary and shift over time). Institutions use them to move huge blocks without tipping their hand and pushing price against themselves.
Even the visible order book can mislead: big players hide their true size with iceberg orders, showing only a sliver while the rest fills quietly. When a level keeps absorbing selling but won't break, hidden demand may be resting there. The trade-off is transparency — dark venues can offer price improvement but thin out the public price discovery everyone else relies on, an active regulatory debate.
// 04 · Cost
The true cost of a trade — spread, slippage & market impact
The price you see is rarely the price you get.
Picture the order book as stacked layers of resting orders. A small order fills at the best price; a large one eats through that layer and fills the rest at worse prices — that's slippage, and the distance you shove price is market impact.
A market order says "fill me now at any price" — fast but exposed. A limit order says "only at my price or better" — protected, but it may never fill. Often, missing a trade is cheaper than a bad fill. Slippage explodes in thin markets and around news, and shrinks when liquidity is deepest — for major FX pairs, that's the London–New York overlap. Costs, not direction, quietly decide many traders' results.
// 05 · Price discovery
How a price is actually set — the NBBO & a fragmented market
There isn't one "market." US stocks trade across dozens of venues at once.
Exchanges, alternative trading systems, and wholesalers all quote the same stock simultaneously. A consolidated feed stitches their best prices into the National Best Bid and Offer (NBBO) — the official best buy and sell available anywhere — and your broker must fill you at or better than it. This fragmentation is why price discovery is a live, competitive process, and why so much quietly depends on which venue your order reaches.
// 06 · Short selling
Selling what you don't own — shorts & the squeeze
You can profit from a fall by borrowing shares, selling them, and buying them back cheaper.
That's short selling: a trader borrows stock (paying a borrow fee), sells it, and hopes to repurchase lower. The risk is asymmetric — a long can only lose 100%, but a short's loss is theoretically unlimited as price climbs. When a crowded short is forced to buy back at once, that buying feeds on itself: a short squeeze (the mechanic behind episodes like GameStop in 2021). Proof that positioning, not just fundamentals, moves price.
// 07 · Leverage
Borrowed size & the liquidation cascade
Leverage lets you control more than your cash — and it's the fastest route to zero.
Trading on margin means borrowing to hold a bigger position. It multiplies gains and losses alike: a move that would sting unlevered can trigger a margin call or a forced liquidation, where your broker closes you out at market. In crowded, highly-leveraged markets these can chain — forced selling drives price down, which trips the next round of liquidations — a cascade that turns an orderly dip into a crash. It's why professionals obsess over size long before they obsess over entries.
▸ Sources & caveats: figures here are estimates from regulators (SEC, FINRA) and academic research (e.g. Glosten & Milgrom, 1985); they vary by market and change over time. This layer is educational — it describes how markets function and is not trading advice. Nothing here is a way to "beat" market makers; the takeaway is the opposite — understand the machinery, respect your costs, and manage risk.
The network
Seven rooms in the same building
CANDLEWORK is the atlas. The rest of the world extends it — context, history, psychology, risk, practice, and reference. Explore the map, or take a card below.
The study of raw price movement — candles, ranges, highs and lows — read without indicators. It describes what buyers and sellers actually did, so you can read behaviour instead of guessing.
What is a candlestick?
A picture of four prices for one period: open, high, low, close. The body spans open to close (green up, red down); the wicks reach the high and low.
Do patterns predict the market?
No. Patterns describe what already happened and the psychology behind it. In context they can tilt odds, but none guarantees a future move. Treat them as vocabulary, not signals.
Is CANDLEWORK financial advice?
No. It's educational only. Nothing here is investment advice, and trading involves substantial risk of loss. Never trade money you cannot afford to lose.
How we teach
The rules this atlas holds itself to
Most of this field is a funnel — free cheat-sheet, paid course, broker link. CANDLEWORK isn't. Here's the standard, in plain sight.
No signals, no calls. We teach you to read a chart; we never tell you what to buy or sell.
No affiliates, no ads. Nothing here is placed to earn a commission or a click.
No predictions. Patterns describe what already happened; we never claim they foresee the future.
No fake numbers. Every chart is labelled simulated, and every reliability claim is hedged, not sold.
Risk first. We'd rather you size a trade well than spot a pattern perfectly — hence the Risk Room.
Plain language. If a term isn't obvious, it's defined in place and in the Glossary. No gatekeeping.
Learn to read what the market already said
Start with three patterns. Let the candles teach you the rest.