AB=CD

The building block of every harmonic pattern: two equal-length legs around a partial retracement.

Bat

A deep 0.886 completion that lands close to the structure's extreme, letting a trade enter near it with a tight stop just beyond.

Butterfly

An extension pattern that completes beyond the origin, fading exhaustion as price prints a fresh extreme.

Crab

The deepest extension in the family, completing at a 1.618 projection, built for sharp reversals from overshoots.

Cypher

A distinct geometry where C pushes past A, then price retraces 0.786 of that whole move to complete at D.

Deep Crab

A Crab variant with a deeper 0.886 B point, completing at the same 1.618 extension.

Gartley

The original harmonic pattern: a 0.786 retracement completing an XABCD structure, read as an exhausted pullback turning back with the larger trend.

Shark

A five-point structure of two strong extensions into a reaction point where the move is expected to stall.

Three Drives

Three symmetric pushes to a high or low, each separated by a partial pullback, read as a climax.

Bearish Abandoned Baby

Three-candle bearish top: an up candle, a doji that gaps fully above with empty space on both sides, then a down candle that gaps below.

Bearish Advance Block

Three-candle bearish reversal after a rally: three up candles whose upper wicks grow longer each bar, showing buyers running out of steam.

Bearish After Top Gap Down

Five-candle bearish reversal: three rising up candles, the third gapping up, then two down candles with a gap down that breaks the trend.

Bearish Belt Hold

Single-candle bearish reversal after a rally: a candle that gaps up to open and then falls all the way through with no upper wick.

Bearish Breakaway

Five-candle bearish reversal: a long up candle, a gap up, two more bars drifting higher, then one down candle that drops back into the gap.

Bearish Dark Cloud Cover

Two-candle bearish reversal: a down candle opens above a prior up candle but closes back below the middle of its body.

Bearish Deliberation Block

Three-candle bearish reversal after a rally: two strong up candles, then a small gapped-up candle where the advance stalls.

Bearish Descending Hawk

Two-candle bearish reversal: two up candles where the second is small and held entirely inside the first, a fading rally.

Bearish Doji Star

Two-candle bearish reversal: an up candle followed by a doji that gaps higher and stalls, a sign the rally is losing steam.

Bearish Downside Gap Three Methods

Continuation pattern in a downtrend: two long down candles separated by a clean gap, then an up candle that fills the gap before the slide resumes.

Bearish Downside Tasuki Gap

Bearish continuation in a downtrend: two down candles gap apart, then an up candle pushes back into the gap but cannot close it.

Bearish Engulfing

Two-candle bearish reversal: an up candle swallowed by a larger down candle whose body engulfs the prior one.

Bearish Evening Doji Star

Three-candle bearish top: an up candle, a gapped-up doji that stalls, then a down candle that takes price back.

Bearish Evening Star

Three-candle bearish reversal: an up candle, a small gapped-up star, then a strong down candle that gives the ground back.

Bearish Falling Three Methods

Five-candle bearish continuation: a long down candle, three small up candles that drift back inside it, then another long down candle to new lows.

Bearish Hanging Man

Single-candle bearish reversal after a rally: a small body up top with a long lower tail where buyers had to rescue a sharp dip.

Bearish Harami

Two-candle reversal: a small down candle held entirely inside the body of a large prior up candle.

Bearish Harami Cross

Two-candle bearish reversal: a doji held entirely inside the body of a large prior up candle, a sign the rally has stalled.

Bearish Identical Three Crows

Three-candle bearish reversal after a rally: three long down candles in a row, each opening right at the prior candle's close.

Bearish Kicking

Two-candle bearish reversal: a strong up bar followed by a strong down bar that gaps below it, a sharp flip in control.

Bearish Ladder Top

Five-candle bearish reversal: three rising up candles, a fourth up candle with a long lower wick, then a long down candle that opens below it.

Bearish Matching High

Two-candle bearish reversal: two up candles that close at the same price, a ceiling buyers cannot beat.

Bearish Meeting Line

Two-candle bearish reversal: a down candle gaps up above a prior up candle but closes right back at the same price.

Bearish On Neck Line

Two-candle pattern: a down candle gaps up but closes right back at the prior up candle's high, a weak bounce that often gives way.

Bearish One Black Crow

Two-candle bearish reversal: a single down candle that opens inside a prior up candle and closes below its open.

Bearish Separating Lines

Two-candle continuation pattern in a downtrend: an up candle is undercut by a down candle that gaps below it, and selling resumes.

Bearish Shooting Star

Single-candle bearish reversal after a rally: a small body with a long upper wick where buyers were rejected.

Bearish Side By Side White Lines

Bearish continuation in a downtrend: a down candle followed by two matching up candles that both sit in a gap below it.

Bearish Squeeze Alert

Three-candle bearish reversal after a rally: each candle's range fits inside the one before it, coiling into a tighter and tighter squeeze.

Bearish Three Black Crows

Three consecutive long bearish candles, each opening inside the prior body and closing lower, after an uptrend.

Bearish Three Gap Ups

Four-candle exhaustion pattern: three gaps higher in a row, a run-up so steep it often marks where buyers give out.

Bearish Three Inside Down

Three-candle bearish reversal after a rally: a long up candle, a small down candle held inside it, then a third down candle that confirms.

Bearish Three Line Strike

Four-candle pattern in a downtrend: three falling down candles followed by one big up candle that swallows them all.

Bearish Three Outside Down

Three-candle bearish reversal after a rally: an up candle swallowed by a larger down candle, then a third down candle that confirms.

Bearish Thrusting Line

Two-candle pattern: a down candle gaps up and pushes into the prior up candle but stalls below its midpoint, a weak bounce.

Bearish Tri Star

Three-candle bearish reversal after a rally: three small doji candles in a row, the middle one gapped up, signaling indecision at the top.

Bearish Two Crows

Three-candle bearish reversal after a rally: a long up candle, then two down candles that gap up but fade back into the first candle's body.

Bearish Unique Three Mountain Top

Three-candle bearish reversal after a rally: an up candle, a tall up candle with a long upper wick, then a small down candle gapping above it.

Bearish Upside Gap Two Crows

Three-candle bearish reversal after a rally: a strong up candle, then two down candles that gap up but fade, the second swallowing the first.

Bullish Abandoned Baby

Rare three-candle bottom: a doji that gaps fully below a down candle and fully below the up candle that follows, with no overlap.

Bullish After Bottom Gap Up

Five-candle bottom: three heavy down candles into a gap, then a small up bar and a long up candle that gaps higher as buyers take over.

Bullish Belt Hold

Single strong up candle after a fall: it gaps below the prior low, opens at its bottom, and rallies with no lower wick.

Bullish Breakaway

Five-candle bottom: a gapped-down selloff that accelerates, then one strong up candle that rallies back into the gap.

Bullish Concealing Baby Swallow

Four-candle bottom: two strong down candles, a third that gaps lower with a long upper wick, and a fourth that swallows it whole.

Bullish Deliberation Block

Three down candles where the third is small and gaps lower, read as sellers hesitating after a long slide.

Bullish Descent Block

Three falling down candles, each opening inside the last and closing lower, read as selling that is running out of force.

Bullish Doji Star

Two-candle bottom: a down candle, then a doji that gaps below it, hinting selling has stalled.

Bullish Downside Gap Two Rabbits

Three-candle bottom: a down candle, then two small up candles below it, the second reaching back toward the first.

Bullish Engulfing

Two-candle reversal trigger: a bearish candle followed by a bullish candle whose body engulfs the prior bar's body.

Bullish Hammer

Single-candle reversal trigger after a downtrend, with a small body and a long lower wick.

Bullish Harami

Two-candle reversal: a small up candle held entirely inside the body of a large prior down candle.

Bullish Harami Cross

Two-candle bullish reversal after a fall: a doji held entirely inside the body of a large prior down candle.

Bullish Homing Pigeon

Two-candle bottom: a large down candle, then a smaller down candle held entirely inside the first body.

Bullish Inverted Hammer

Two-candle bullish reversal after a fall: a bar with a long upper wick and little or no lower wick, following a down candle.

Bullish Kicking

Two-candle bullish reversal: a full-bodied down candle, then a gap up into a full-bodied up candle with no overlap.

Bullish Ladder Bottom

Five-candle bottom: three long down candles, a fourth with an upper wick hinting at a rally, then a strong up candle that gaps higher.

Bullish Matching Low

Two-candle bullish reversal: two down candles in a row that close at the same price, marking a floor.

Bullish Meeting Line

Two-candle bullish reversal: a down candle, then an up candle that gaps lower but closes at the same price as the first.

Bullish Morning Doji Star

Three-candle bottom: a down candle, a doji that gaps lower, then an up candle that turns the trend.

Bullish Morning Star

Three-candle bullish reversal: a down candle, a small gapped-down star, then a strong up candle that reclaims the lost ground.

Bullish On Neck Line

Two-candle pattern: a down candle, then a weak up candle that gaps lower and only claws back to the first candle's low.

Bullish One White Soldier

Two-candle bottom: a down candle, then a strong up candle that gaps higher and engulfs the prior body.

Bullish Piercing Line

Two-candle bullish reversal: a down candle, then an up candle that gaps lower but closes back above the midpoint of the first.

Bullish Rising Three Methods

Five-candle continuation: a long up candle, three small down candles that drift inside its range, then a long up candle to a new high.

Bullish Separating Lines

Two-candle continuation in an uptrend: a counter down candle, then an up candle that gaps above it and resumes the climb.

Bullish Side By Side White Lines

Three-candle continuation in an uptrend: an up candle, a gap up to a second up candle, then a matching third up candle beside it.

Bullish Squeeze Alert

Three-candle bottom: each candle's range tucked inside the last, a tightening coil read as a wind-up before a bounce.

Bullish Stick Sandwich

Three-candle bottom: a down candle, an up candle above it, then a down candle that closes at the exact same price as the first.

Bullish Three Gap Downs

Four candles falling with a gap before each of the last three, read as a selling climax stretched too far to last.

Bullish Three Inside Up

Three-candle bottom: a bullish harami, then a third up candle that closes above the second, confirming the turn.

Bullish Three Line Strike

Four-candle shape: three rising up candles, then one big down candle that erases all three in a single bar.

Bullish Three Outside Up

Three-candle bottom: a bullish engulfing, then a third up candle that closes higher, confirming the reversal.

Bullish Three Stars In The South

Three shrinking down candles after a decline, each making a higher low, read as selling that is fading toward a bottom.

Bullish Three White Soldiers

Three-candle bullish reversal: three rising up candles in a row, each opening inside the prior body and closing higher.

Bullish Thrusting Line

Two-candle pattern: a down candle, then an up candle that gaps lower and closes up into the first body but stays below its midpoint.

Bullish Tri Star

Three-candle bottom: three small dojis in a row after a decline, the middle one gapping down and the last gapping back up.

Bullish Two Rabbits

Three-candle bottom: a long down candle, an up candle that gaps below it, then an up candle that climbs back into the first candle's body.

Bullish Unique Three River Bottom

Three-candle bottom: a down candle, a hammer-like down candle that pokes to a new low, then a small up candle holding above.

Bullish Upside Gap Three Methods

Two-candle continuation: two long up candles with a gap between them, then a down candle that fills the gap.

Bullish Upside Tasuki Gap

Three-candle continuation in an uptrend: two up candles with a gap up between them, then a down candle that fills part of the gap but leaves it open.

Day-of-Week Bias

How RTH close-to-close returns differ by weekday and whether any specific day pulls above or below the all-session average.

Inside Day

How often a session contained inside the prior session's range produces a directional breakout the next day.

January Effect

Whether the first five trading sessions of January lean up more than a normal stretch of the year.

NR7

How often the narrowest-range session in seven days resolves into a directional breakout the next day.

Opening Drive Failure

A strong directional move early in the session, traded as a continuation. How much room the drive tends to offer.

Outside Day

A session that engulfs the prior day's range, read by its close direction. How much room it tends to offer next.

Pre-Holiday Effect

Whether the session right before a US market holiday produces different RTH returns than a normal day.

Range Breakout Failure

Price breaks a rolling range, then closes back inside it. How much room fading that false break tends to offer.

Santa Rally

Whether the last five trading sessions of December lean up more than a normal stretch of the year.

Three-Bar Reversal

A reversal bar after three bars of run, read as the turn. How much room that turn tends to offer.

Turn-of-Month Effect

Whether the recurring window around month boundaries produces different RTH returns than the rest of the month.

Volatility Squeeze Break

A quiet, compressed stretch of price that then breaks out of its channel. How much room the break tends to offer in the break direction.

Gap Fill Rate

An overnight gap, traded as a fade back toward the prior close. How much room that fade tends to offer.