ta issues

Getting error when working with a dataframe with zeros

I'm initializing a dataframe with zeros to then progressively adding data to it. While calling ema_indicator() at each iteration ``` zeros = np.zeros(1000) df = pd.DataFrame(zeros) ema_indicator(df, 1000) ``` This...

Karlheinzniebuhr

adding laggin span line to ta.momentum.IchimokuIndicator

1

Lagging span line will be useful if added to library. thanks Lagging span is described here: https://www.investopedia.com/terms/c/chikouspan.asp#:~:text=The%20Chikou%20span%20is%20a,closing%20price%20of%20an%20asset.&text=Many%20traders%20watch%20for%20the,signal%20a%20potential%20trend%20change.

payamt007

New indicator request

4

You already have ATR calculator in this library. How hard would it be to use this to calculate the Supertrend indicator?

AshwinTayson

next version

RuntimeWarning

30

```sh trend.py:170: RuntimeWarning: invalid value encountered in double_scalars dip[i] = 100 * (dip_mio[i]/trs[i]) trend.py:174: RuntimeWarning: invalid value encountered in double_scalars din[i] = 100 * (din_mio[i]/trs[i]) ```

bukosabino

good first issue

next version

STOCH smooth window issue

Hello, I have noticed that there is an issue with the K% smooth window after comparing it with the trading view 14 3 3 settings. The argument is set as...

ghaithAlMasri

`fillna = False` of ATR not work?

The code below returns dataframe filled with 0, not `NaN`. ``` df["atr"] = ta.volatility.AverageTrueRange( df["High"], df["Low"], df["Close"], window = 14, fillna = False ).average_true_range() ```

KagenoMoheji

KAMA indicator suddenly stops working

2

The kama indicator works halfway through my data set then suddenly stops giving only NaNs afterwords. I am using it as: ``` ta_kama = KAMAIndicator(close=df['close']) df['kama'] = ta_kama.kama() ``` The...

spitzbubchen

ADX slow, can be vectorized

1

I notice the ADX indicator is very slow (~1s to calculate for a df with ~200k rows), and I'm noticing the implementation uses several for loops. I'm not exactly sure...

jaymegordo