talibcdl

package module
v0.0.0-...-2ed8176 Latest Latest
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 Go to latest Published: Dec 17, 2021 License: BSD-3-Clause Imports: 3 Imported by: 0

README

talib-cdl-go

A pure Go port of ta-lib only in candle recognition module (CDL).

For more information, see test cases and godoc.

Documentation

Index

Constants

View Source 
const DefaultFloat64 = -4e+37

Variables

View Source 
var (
	List = []PatternDefinition{
		{

			Detect:               TwoCrows,
			ShouldApplyOnUptrend: true,
			Behavior:             behavior.RecordLowAndNextSameLowTriggerBear,
			BehaviorRange:        10,
		},
	}
)

Functions

func AbandonedBaby 

func AbandonedBaby(series Series, penetration float64) []int

AbandonedBaby implements ta-lib function TA_CDLABANDONEDBABY. 

|       Up:              70%
▓   |   Down:            30%
▓   ░   Common Rank:     J+
▓   ░   Efficiency Rank: A-
|   ░   Source:          feedroll.com
    |
  +

func AdvanceBlock 

func AdvanceBlock(series Series) []int

AdvanceBlock implements ta-lib function TA_CDLADVANCEBLOCK. 

  | |   Up:              64%
  | ░   Down:            36%
| ░ |   Common Rank:     G
░ |     Efficiency Rank: F
░       Source:          feedroll.com
░

func BeltHold 

func BeltHold(series Series) []int

BeltHold implements ta-lib function TA_CDLBELTHOLD. 

.   Up:              71%
░   Down:            29%
░   Common Rank:     C+
░   Efficiency Rank: G+
    Source:          feedroll.com

func BreakAway 

func BreakAway(series Series) []int

BreakAway implements ta-lib function TA_CDLBREAKAWAY. 

|           Up:              63%
▓       |   Down:            37%
▓       ░   Common Rank:     J-
|       ░   Efficiency Rank: B+
  | | | ░   Source:          feedroll.com
  ▓ ░ ▓ |
  | | |

func ClosingMarubozu 

func ClosingMarubozu(series Series) []int

ClosingMarubozu implements ta-lib function TA_CDLCLOSINGMARUBOZU. 

  |   Continuation:    52%
░ ▓   Reversal:        48%
░ ▓   Common Rank:     B-
░ ▓   Efficiency Rank: E+
|     Source:          feedroll.com

func ConcealBabySwall 

func ConcealBabySwall(series Series) []int

ConcealBabySwall implements ta-lib function TA_CDL2CROWS. 

▓         Up:              25%
▓         Down:            75%
▓ ▓   ▓   Common Rank:     J-
  ▓ | ▓   Efficiency Rank: J-
    ▓ ▓   Source:          feedroll.com

func CounterAttack 

func CounterAttack(series Series) []int

CounterAttack implements ta-lib function TA_CDLCOUNTERATTACK. 

|       Up:              43%
░ |     Down:            57%
| ▓     Common Rank:     F+
  |     Efficiency Rank: C-
        Source:          feedroll.com

can be bullish or bearish bullish occurs during a downtrend bearish occurs during an uptrend

func DarkCloudCover 

func DarkCloudCover(series Series, penetration float64) []int

DarkCloudCover implements ta-lib function TA_CDLDARKCLOUDCOVER. 

  |
| ░     Up:              40%
▓ ░     Down:            60%
▓ ░     Common Rank:     E
▓ |     Efficiency Rank: C+
|       Source:          feedroll.com

close of black candle below the middle of first white candle occurs during an uptrend

func Doji 

func Doji(series Series) []int

Doji implements ta-lib function TA_CDLDOJI.

  • Up: 43% Down: 57% Common Rank: E- Efficiency Rank: J+ Source: feedroll.com

func DojiStar 

func DojiStar(series Series) []int

DojiStart implements ta-lib function TA_CDLDOJISTAR. 

|       Up:              36%
▓       Down:            64%
▓       Common Rank:     F+
|       Efficiency Rank: E-
 +      Source:          feedroll.com

func DragonFlyDoji 

func DragonFlyDoji(series Series) []int

DragonFlyDoji implements ta-lib function TA_CDLDRAGONFLYDOJI. 

---      Continuation:    50%
 |       Reversal:        50%
 |       Common Rank:     E
 |       Efficiency Rank: J-
 |       Source:          feedroll.com

– A Dragonfly Doji has only the Lower Shadow, that is very long, and no Upper Shadow; in fact it has as High, both the Opening Price and Closing Price.

– If it occurs during a Downtrend, especially if near a Low of the Trend, it means a possible bullish reversal.

/!\ do not use for up/down prediction, but only for continuation/reversal prediction /!\

func Engulfing 

func Engulfing(series Series) []int

Engulfing implements ta-lib function TA_CDLENGULFING.

Bearish: 

  |
| ░     Up:              21%
| ░     Down:            79%
▓ ░     Common Rank:     B+
▓ ░     Efficiency Rank: J+
| ░     Source:          feedroll.com
  |

– Normally it should be a signal of reversal of the current Trend.

– You can find it in the variants: Bullish and Bearish, depending on the Trend in which is located.

– Is one of the most reliable Candlestick Pattern; very often is not even required a confirmation from the next Candles (Although it should be better).

– If this Pattern is located near an High or Low of the current Trend, it’s more reliable.

Bullish: 

  |
| ▓     Up:              63%
| ▓     Down:            37%
░ ▓     Common Rank:     B+
░ ▓     Efficiency Rank: I
| ▓     Source:          feedroll.com
  |

– As you can see from the previous image, the Bullish Engulfing occurs during a Downtrend; normally it should be a signal of bullish reversal.

– Whereas the Bearish Engulfing occurs during an Uptrend; normally it should be a signal of bearish reversal.

func EveningDojiStar 

func EveningDojiStar(series Series, penetration float64) []int

EveningDojiStar implements ta-lib function TA_CDLEVENINGDOJISTAR.

func EveningStar 

func EveningStar(series Series, penetration float64) []int

EveningStar implements ta-lib function TA_CDLEVENINGSTAR. 

  |     Up:              28%
| ░ |   Down:            72%
░ | ▓   Common Rank:     H+
░   ▓   Efficiency Rank: A
|   ▓   Source:          feedroll.com
    |

func GapSideSideWhite 

func GapSideSideWhite(series Series) []int

GapSideSideWhite implements ta-lib function TA_CDLGAPSIDESIDEWHITE. 

  | |   Up:              66%
  ▓ ▓   Down:            34%
  ▓ ▓   Common Rank:     H+
  | |   Efficiency Rank: E
|       Source:          feedroll.com
▓
▓
|

– Normally it should be a signal of continuation of the current Trend.

– You can find it in the variants: Bullish and Bearish, depending on the Trend in which is located.

func GraveStoneDoji 

func GraveStoneDoji(series Series) []int

GraveStoneDoji implements ta-lib function TA_CDLGRAVESTONEDOJI. 

 |   Continuation:    49%
 |   Reversal:        51%
 |   Common Rank:     E+
 |   Efficiency Rank: H
-+-  Source:          feedroll.com

– A Gravestone Doji has only the Upper Shadow, that is very long, and no Lower Shadow; in fact it has as Low, both the Opening Price and Closing Price.

– If it occurs during an Uptrend, especially if near an High of the Trend, it means a possible bearish reversal.

func Hammer 

func Hammer(series Series) []int

Hammer implements ta-lib function TA_CDLHAMMER. 

|   Up:              60%
░   Down:            40%
|   Common Rank:     D
|   Efficiency Rank: G
|   Source:          feedroll.com

at the end of a downtrend

func HangingMan 

func HangingMan(series Series) []int

HangingMan implements ta-lib function TA_CDLHANGINGMAN.

| | Up: 59% ▓ ░ Down: 41% | O | Common Rank: B | R | Efficiency Rank: I | | Source: feedroll.com

at the end of an uptrend

func Harami 

func Harami(series Series) []int

Harami implements ta-lib function TA_CDLHARAMI. 

|     Up:              53%
░ |   Down:            47%
░ ▓   Common Rank:     C
░ |   Efficiency Rank: D-
|     Source:          feedroll.com

func HaramiCross 

func HaramiCross(series Series) []int

HaramiCross implements ta-lib function TA_CDLHARAMI. 

|     ?:               ?
░ |   ?:               ?
░ +   Common Rank:     ?
░ |   Efficiency Rank: ?
|

func HighWave 

func HighWave(series Series) []int

HighWave implements ta-lib function TA_CDLHIGHWAVE. 

   |    |   Continuation:        49%
   |    |   Reversal:            54%
   ░ OR ▓   Common Rank:         B
   |    |   Efficiency Rank:     G
   |    |   Source:              feedroll.com

– In the case there is more than one High Wave, one after the other, they show the indecision of the Markets.

– If they occur during an Uptrend, they are a signal of a future consolidation of the prices or the beginning of a Downtrend; whereas if they occur during a Downtrend, they are a signal of a future consolidation of the prices or the beginning of an Uptrend.

func Hikkake 

func Hikkake(series Series) []int

Hikkake implements ta-lib function TA_CDLHIKKAKE.

TODO

func InvertedHammer 

func InvertedHammer(series Series) []int

InvertedHammer implements ta-lib function TA_CDLINVERTEDHAMMER. 

|   Up:              35%
|   Down:            65%
|   Common Rank:     G+
░   Efficiency Rank: A
|   Source:          feedroll.com

only to be considered when in downtrend (at the end of a downtrend)

func MatchingLow 

func MatchingLow(series Series) []int

MatchingLow implements ta-lib function TA_CDLMATCHINGLOW. 

|     Up:              39%
▓ |   Down:            61%
▓ ▓   Common Rank:     F-
▓ ▓   Efficiency Rank: A-
▓ ▓   Source:          feedroll.com
| |

func MorningStar 

func MorningStar(series Series, penetration float64) []int

MorningStar implements ta-lib function TA_CDLMORNINGSTAR. 

|   |    Up:              78%
░   ▓    Down:            22%
░   ▓    Common Rank:     G
| | ▓    Efficiency Rank: B+
  ░ |    Source:          feedroll.com
  |

func Piercing 

func Piercing(series Series) []int

Piercing implements ta-lib function TA_CDLPIERCING. 

|     Up:              64%
▓ |   Down:            39%
▓ ░   Common Rank:     D-
▓ ░   Efficiency Rank: B+
| ░   Source:          feedroll.com
  |

func StickSandwich 

func StickSandwich(series Series) []int

StickSandwich implements ta-lib function TA_CDLBREAKAWAY. 

    |       Up:              38%
  | ▓       Down:            62%
| ░ ▓       Common Rank:     F-
▓ ░ ▓       Efficiency Rank: B
▓ ░ ▓       Source:          feedroll.com
▓ | ▓
    |

func ThreeBlackCrows 

func ThreeBlackCrows(series Series) []int

ThreeBlackCrows implements ta-lib function TA_CDL3BLACKCROWS. 

▓       Up:              22%
▓ ▓     Down:            78%
  ▓ ▓   Common Rank:     F-
    ▓   Efficiency Rank: A+
        Source:          feedroll.com

func ThreeInside 

func ThreeInside(series Series) []int

ThreeInside implements ta-lib function TA_CDL3INSIDE. 

|       Up:              40%
░ | |   Down:            60%
░ ▓ ▓   Common Rank:     D+
░ | ▓   Efficiency Rank: F
|   ▓   Source:          feedroll.com
    |

func ThreeLineStrike 

func ThreeLineStrike(series Series) []int

ThreeLineStrike implements ta-lib function TA_CDL3LINESTRIKE. 

    | |   Up:              35%
  | ░ ▓   Down:            65%
| ░ ░ ▓   Common Rank:     J
░ ░ | ▓   Efficiency Rank: A+
░ |   ▓   Source:          feedroll.com
|     ▓
      |

func ThreeOutside 

func ThreeOutside(series Series) []int

ThreeOutside implements ta-lib function TA_CDL3OUTSIDE. 

  |     Up:              31%
| ▓ |   Down:            69%
░ ▓ ▓   Common Rank:     C+
░ ▓ ▓   Efficiency Rank: D-
| ▓ ▓   Source:          feedroll.com
  | ▓
    |

func ThreeStarsInSouth 

func ThreeStarsInSouth(series Series) []int

ThreeStarsInSouth implements ta-lib function TA_CDL3STARSINSOUTH. 

▓       Up:              86%
▓ ▓     Down:            14%
▓ ▓ ▓   Common Rank:     J-
| |     Efficiency Rank: J-
|       Source:          feedroll.com

func ThreeWhiteSoldiers 

func ThreeWhiteSoldiers(series Series) []int

ThreeWhiteSoldiers implements ta-lib function TA_CDL3WHITESOLDIERS. 

    ░   Up:              82%
  ░ ░   Down:            18%
░ ░     Common Rank:     G
░       Efficiency Rank: D+
        Source:          feedroll.com

func TwoCrows 

func TwoCrows(series Series) []int

TwoCrows implements ta-lib function TA_CDL2CROWS. 

  |     Up:              46%
  ▓ |   Down:            54%
  ▓ ▓   Common Rank:     G
  | ▓   Efficiency Rank: G+
|   ▓   Source:          feedroll.com
░   |
░
░
|

Types

type Pattern 

type Pattern func(Series) []int

type PatternDefinition 

type PatternDefinition struct {
	Detect func(series Series) []int

	ShouldApplyOnUptrend   bool
	ShouldApplyOnDowntrend bool

	Behavior behavior.Behavior

	BehaviorRange int
}

type PatternPenetration 

type PatternPenetration func(Series, float64) []int

type Series 

type Series interface {
	Len() int
	High(i int) float64
	Open(i int) float64
	Close(i int) float64
	Low(i int) float64
}

type SimpleSeries 

type SimpleSeries struct {
	Highs   []float64
	Opens   []float64
	Closes  []float64
	Lows    []float64
	Volumes []float64
	Rands   []float64
}

func (SimpleSeries) Close 

func (s SimpleSeries) Close(i int) float64

func (SimpleSeries) High 

func (s SimpleSeries) High(i int) float64

func (SimpleSeries) Len 

func (s SimpleSeries) Len() int

func (SimpleSeries) Low 

func (s SimpleSeries) Low(i int) float64

func (SimpleSeries) Open 

func (s SimpleSeries) Open(i int) float64

Source Files

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