finance

Describe your context
Please provide us your environment, so we can easily reproduce the issue.

• replace the result of pip list | grep dash below

dash                      2.0.0
dash-bootstrap-components 1.0.0

• if frontend related, tell us your Browser, Version and OS

  • OS: [e.g. iOS] Windows
  • Browser [e.g. chrome, safari]: Chrome 96.0x, Edge 96.0x, Firefox

🌟 Feature Description

Motivation

Qlib has integrated pylint and flake8 to automatically detect the problem of coding style

But some errors are not fixed due to the limited bandwidth of the maintainers.
It will be very helpful if the commun

Expected Behavior

We can update the trigger price of limit if touched orders with an UpdateTriggerPrice method, just like we can use UpdateTag, UpdateQuantity, UpdateLimitPrice, `UpdateS

Description

Google colab and local environnement give different output for same code.
That makes some code can't work properly, like in #396 (I have the same issue).

Reproduce bug

Code to run in notebook

DP = DataProcessor('yahoofinance')
data = DP.download_data(config_tickers.DOW_30_TICKER, '2014-01-01', '2020-07-30', '1D')

run code above in local notebook give:

.

Reading currencies, alphavantage returns a greeting note ("welcome") and this note raises an error in alphavantage.py line 363.

            elif "Note" in json_response and self.treat_info_as_error:
                raise ValueError(json_response["Note"])

For this reason, alphavantage does not work in home assistant.

Heston model has accurate density approximations for European option prices, which are of interest.

The module implementing this method should live under tf_quant_finance/volatility/heston_approximation.py. It should support both European option puts and calls approximations. Tests should be in heston_approximation_test.py in the same folder.

According to @rspadim, functions in entropy.py could use numpy array instead of strings, as it's better to numba.

Guide on how to implement this is available in the comments in PR #311 .

Can we display an asset name in https://pyportfolioopt.readthedocs.io/en/latest/_images/ef_plot.png ?

Hi,

So first off this problem persists across multiple plugins and code. I love the pandas_ta library thus was hoping we could find a solution here.

First off here is the difference in values:

![image](https://user-images.githubusercontent.com/104263942/164912536-3a72976a-c630-