Files
OpenBB/openbb_terminal/stocks/quantitative_analysis/qa_controller.py
James Maslek 5aebae4d46 Feature/general improvements (#4213)
* Get rid of required ticker and add -t argument to all of fa

* ta to work without ticker

* Allow bt to be accessed without ticker

* Bt not ticker dependent (last commit was qa)

* Update stock controller

* UPdate tests

* Review changes + update tests
2023-02-13 10:22:29 -05:00

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"""Quantitative Analysis Controller Module"""
__docformat__ = "numpy"
import argparse
import logging
from datetime import datetime
from typing import List
import pandas as pd
from openbb_terminal import feature_flags as obbff
from openbb_terminal.common.quantitative_analysis import qa_view, rolling_view
from openbb_terminal.custom_prompt_toolkit import NestedCompleter
from openbb_terminal.decorators import log_start_end
from openbb_terminal.helper_funcs import (
EXPORT_ONLY_FIGURES_ALLOWED,
EXPORT_ONLY_RAW_DATA_ALLOWED,
check_list_dates,
check_positive,
check_proportion_range,
)
from openbb_terminal.menu import session
from openbb_terminal.parent_classes import StockBaseController
from openbb_terminal.rich_config import MenuText, console
from openbb_terminal.stocks import stocks_helper
from openbb_terminal.stocks.quantitative_analysis.beta_view import beta_view
from openbb_terminal.stocks.quantitative_analysis.factors_view import capm_view
from openbb_terminal.stocks.quantitative_analysis.qa_model import full_stock_df
# pylint: disable=C0302
logger = logging.getLogger(__name__)
def no_data_message():
"""Print message when no ticker is loaded"""
console.print("[red]No data loaded. Use 'load' command to load a symbol[/red]")
class QaController(StockBaseController):
"""Quantitative Analysis Controller class"""
CHOICES_COMMANDS = [
"load",
"pick",
"raw",
"summary",
"line",
"hist",
"cdf",
"bw",
"rolling",
"decompose",
"cusum",
"acf",
"spread",
"quantile",
"skew",
"kurtosis",
"normality",
"qqplot",
"unitroot",
"capm",
"beta",
"var",
"es",
"sh",
"so",
"om",
]
stock_interval = [1, 5, 15, 30, 60]
stock_sources = ["YahooFinance", "AlphaVantage"]
distributions = ["laplace", "student_t", "logistic", "normal"]
FULLER_REG = ["c", "ct", "ctt", "nc"]
KPS_REG = ["c", "ct"]
VALID_DISTRIBUTIONS = ["laplace", "student_t", "logistic", "normal"]
PATH = "/stocks/qa/"
CHOICES_GENERATION = True
def __init__(
self,
ticker: str,
start: datetime,
interval: str,
stock: pd.DataFrame,
queue: List[str] = None,
):
"""Constructor"""
super().__init__(queue)
if not stock.empty:
self.stock = full_stock_df(stock)
else:
self.stock = stock
self.ticker = ticker
self.start = start
self.interval = interval
self.target = "returns" if not stock.empty else ""
if session and obbff.USE_PROMPT_TOOLKIT:
choices: dict = self.choices_default
self.completer = NestedCompleter.from_nested_dict(choices)
def print_help(self):
"""Print help"""
s_intraday = (f"Intraday {self.interval}", "Daily")[self.interval == "1440min"]
if self.start:
stock_str = (
f"{s_intraday} {self.ticker} (from {self.start.strftime('%Y-%m-%d')})"
)
else:
stock_str = f"{s_intraday} {self.ticker}"
mt = MenuText("stocks/qa/")
mt.add_cmd("load")
mt.add_cmd("pick")
mt.add_raw("\n")
mt.add_param("_ticker", stock_str)
mt.add_param("_target", self.target)
mt.add_raw("\n")
mt.add_info("_statistics_")
mt.add_cmd("summary")
mt.add_cmd("normality")
mt.add_cmd("unitroot")
mt.add_info("_plots_")
mt.add_cmd("line")
mt.add_cmd("hist")
mt.add_cmd("cdf")
mt.add_cmd("bw")
mt.add_cmd("acf")
mt.add_cmd("qqplot")
mt.add_info("_rolling_metrics_")
mt.add_cmd("rolling")
mt.add_cmd("spread")
mt.add_cmd("quantile")
mt.add_cmd("skew")
mt.add_cmd("kurtosis")
mt.add_info("_risk_")
mt.add_cmd("var")
mt.add_cmd("es")
mt.add_cmd("sh")
mt.add_cmd("so")
mt.add_cmd("om")
mt.add_info("_other_")
mt.add_cmd("raw")
mt.add_cmd("decompose")
mt.add_cmd("cusum")
mt.add_cmd("capm")
mt.add_cmd("beta")
console.print(text=mt.menu_text, menu="Stocks - Quantitative Analysis")
def custom_reset(self):
"""Class specific component of reset command"""
if self.ticker:
if self.target:
return ["stocks", f"load {self.ticker}", "qa", f"pick {self.target}"]
return ["stocks", f"load {self.ticker}", "qa"]
return []
@log_start_end(log=logger)
def call_pick(self, other_args: List[str]):
"""Process pick command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="pick",
description="""
Change target variable
""",
)
parser.add_argument(
"-t",
"--target",
dest="target",
type=str.lower,
choices=list(self.stock.columns),
help="Select variable to analyze",
)
if other_args and "-" not in other_args[0][0]:
other_args.insert(0, "-t")
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
self.target = ns_parser.target
@log_start_end(log=logger)
def call_raw(self, other_args: List[str]):
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="raw",
description="""
Print raw data to console
""",
)
parser.add_argument(
"-l",
"--limit",
help="Number to show",
type=check_positive,
default=20,
dest="limit",
)
parser.add_argument(
"-r",
"--reverse",
action="store_true",
dest="reverse",
default=False,
help=(
"Data is sorted in descending order by default. "
"Reverse flag will sort it in an ascending way. "
"Only works when raw data is displayed."
),
)
parser.add_argument(
"-s",
"--sortby",
help="The column to sort by",
choices=stocks_helper.format_parse_choices(self.stock.columns),
type=str.lower,
dest="sortby",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_raw(
data=self.stock,
limit=ns_parser.limit,
sortby=ns_parser.sortby,
ascend=ns_parser.reverse,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_summary(self, other_args: List[str]):
"""Process summary command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="summary",
description="""
Summary statistics
""",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_summary(
data=self.stock,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_line(self, other_args: List[str]):
"""Process line command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="line",
description="Show line plot of selected data or highlight specific datetimes.",
)
parser.add_argument(
"--log",
help="Plot with y on log scale",
dest="log",
action="store_true",
default=False,
)
parser.add_argument(
"--ml",
help="Draw vertical line markers to highlight certain events",
dest="ml",
type=check_list_dates,
default="",
)
parser.add_argument(
"--ms",
help="Draw scatter markers to highlight certain events",
dest="ms",
type=check_list_dates,
default="",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_FIGURES_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_line(
self.stock[self.target],
title=f"{self.ticker} {self.target}",
log_y=ns_parser.log,
markers_lines=ns_parser.ml,
markers_scatter=ns_parser.ms,
)
@log_start_end(log=logger)
def call_hist(self, other_args: List[str]):
"""Process hist command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="hist",
description="""
Histogram with density and rug
""",
)
parser.add_argument(
"-b", "--bins", type=check_positive, default=15, dest="n_bins"
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_hist(
symbol=self.ticker,
data=self.stock,
target=self.target,
bins=ns_parser.n_bins,
)
@log_start_end(log=logger)
def call_cdf(self, other_args: List[str]):
"""Process cdf command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="cdf",
description="""
Cumulative distribution function
""",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_cdf(
data=self.stock,
symbol=self.ticker,
target=self.target,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_bw(self, other_args: List[str]):
"""Process bwy command"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
add_help=False,
prog="bw",
description="""
Box and Whisker plot
""",
)
parser.add_argument(
"-y",
"--yearly",
action="store_true",
default=False,
dest="year",
help="Flag to show yearly bw plot",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_bw(
data=self.stock,
symbol=self.ticker,
target=self.target,
yearly=ns_parser.year,
)
@log_start_end(log=logger)
def call_decompose(self, other_args: List[str]):
"""Process decompose command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="decompose",
description="""
Decompose time series as:
- Additive Time Series = Level + CyclicTrend + Residual + Seasonality
- Multiplicative Time Series = Level * CyclicTrend * Residual * Seasonality
""",
)
parser.add_argument(
"-m",
"--multiplicative",
action="store_true",
default=False,
dest="multiplicative",
help="decompose using multiplicative model instead of additive",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_seasonal(
symbol=self.ticker,
data=self.stock,
target=self.target,
multiplicative=ns_parser.multiplicative,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_cusum(self, other_args: List[str]):
"""Process cusum command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="cusum",
description="""
Cumulative sum algorithm (CUSUM) to detect abrupt changes in data
""",
)
parser.add_argument(
"-t",
"--threshold",
dest="threshold",
type=float,
default=(
max(self.stock[self.target].values)
- min(self.stock[self.target].values)
)
/ 40
if not self.stock.empty
else 0,
help="threshold",
)
parser.add_argument(
"-d",
"--drift",
dest="drift",
type=float,
default=(
max(self.stock[self.target].values)
- min(self.stock[self.target].values)
)
/ 80
if not self.stock.empty
else 0,
help="drift",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_cusum(
data=self.stock,
target=self.target,
threshold=ns_parser.threshold,
drift=ns_parser.drift,
)
@log_start_end(log=logger)
def call_acf(self, other_args: List[str]):
"""Process acf command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="acf",
description="""
Auto-Correlation and Partial Auto-Correlation Functions for diff and diff diff stock data
""",
)
parser.add_argument(
"-l",
"--lags",
dest="lags",
type=check_positive,
default=15,
help="maximum lags to display in plots",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
if self.target != "adjclose":
console.print(
"Target not adjclose. For best results, use `pick adjclose` first."
)
qa_view.display_acf(
data=self.stock,
symbol=self.ticker,
target=self.target,
lags=ns_parser.lags,
)
@log_start_end(log=logger)
def call_rolling(self, other_args: List[str]):
"""Process rolling command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="rolling",
description="""
Rolling mean and std deviation
""",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="n_window",
type=check_positive,
default=14,
help="Window length",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
rolling_view.display_mean_std(
symbol=self.ticker,
data=self.stock,
target=self.target,
window=ns_parser.n_window,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_spread(self, other_args: List[str]):
"""Process spread command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="spread",
description="""Shows rolling spread measurement
""",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="n_window",
type=check_positive,
default=14,
help="Window length",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
rolling_view.display_spread(
data=self.stock,
symbol=self.ticker,
target=self.target,
window=ns_parser.n_window,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_quantile(self, other_args: List[str]):
"""Process quantile command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="quantile",
description="""
The quantiles are values which divide the distribution such that
there is a given proportion of observations below the quantile.
For example, the median is a quantile. The median is the central
value of the distribution, such that half the points are less than
or equal to it and half are greater than or equal to it.
By default, q is set at 0.5, which effectively is median. Change q to
get the desired quantile (0<q<1).
""",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="n_window",
type=check_positive,
default=14,
help="window length",
)
parser.add_argument(
"-q",
"--quantile",
action="store",
dest="f_quantile",
type=check_proportion_range,
default=0.5,
help="quantile",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
rolling_view.display_quantile(
data=self.stock,
symbol=self.ticker,
target=self.target,
window=ns_parser.n_window,
quantile=ns_parser.f_quantile,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_skew(self, other_args: List[str]):
"""Process skew command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="skew",
description="""
Skewness is a measure of asymmetry or distortion of symmetric
distribution. It measures the deviation of the given distribution
of a random variable from a symmetric distribution, such as normal
distribution. A normal distribution is without any skewness, as it is
symmetrical on both sides. Hence, a curve is regarded as skewed if
it is shifted towards the right or the left.
""",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="n_window",
type=check_positive,
default=14,
help="window length",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
rolling_view.display_skew(
symbol=self.ticker,
data=self.stock,
target=self.target,
window=ns_parser.n_window,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_kurtosis(self, other_args: List[str]):
"""Process kurtosis command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="kurtosis",
description="""
Kurtosis is a measure of the "tailedness" of the probability distribution
of a real-valued random variable. Like skewness, kurtosis describes the shape
of a probability distribution and there are different ways of quantifying it
for a theoretical distribution and corresponding ways of estimating it from
a sample from a population. Different measures of kurtosis may have different
interpretations.
""",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="n_window",
type=check_positive,
default=14,
help="window length",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
rolling_view.display_kurtosis(
symbol=self.ticker,
data=self.stock,
target=self.target,
window=ns_parser.n_window,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_normality(self, other_args: List[str]):
"""Process normality command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="normality",
description="""
Normality tests
""",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_normality(
data=self.stock, target=self.target, export=ns_parser.export
)
@log_start_end(log=logger)
def call_qqplot(self, other_args: List[str]):
"""Process qqplot command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="qqplot",
description="""
Display QQ plot vs normal quantiles
""",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_qqplot(
symbol=self.ticker, data=self.stock, target=self.target
)
@log_start_end(log=logger)
def call_unitroot(self, other_args: List[str]):
"""Process unitroot command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="unitroot",
description="""
Unit root test / stationarity (ADF, KPSS)
""",
)
parser.add_argument(
"-r",
"--fuller_reg",
help="Type of regression. Can be ‘c’,’ct’,’ctt’,’nc’ 'c' - Constant and t - trend order",
choices=self.FULLER_REG,
default="c",
type=str,
dest="fuller_reg",
)
parser.add_argument(
"-k",
"--kps_reg",
help="Type of regression. Can be ‘c’,’ct'",
choices=self.KPS_REG,
type=str,
dest="kpss_reg",
default="c",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, export_allowed=EXPORT_ONLY_RAW_DATA_ALLOWED
)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_unitroot(
data=self.stock,
target=self.target,
fuller_reg=ns_parser.fuller_reg,
kpss_reg=ns_parser.kpss_reg,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_capm(self, other_args: List[str]):
"""Process capm command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="capm",
description="""
Provides detailed information about a stock's risk compared to the market risk.
""",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if not self.ticker:
no_data_message()
return
capm_view(self.ticker)
@log_start_end(log=logger)
def call_beta(self, other_args: List[str]):
"""Call the beta command on loaded ticker"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="beta",
description="""
Displays a scatter plot demonstrating the beta of two stocks or ETFs.
""",
)
parser.add_argument(
"-r",
"--ref",
action="store",
dest="ref",
type=str,
default="SPY",
help="""
Reference ticker used for beta calculation.
""",
)
ns_parser = self.parse_known_args_and_warn(
parser, other_args, EXPORT_ONLY_RAW_DATA_ALLOWED
)
# This assumes all intervals convert from string to int well
# This should handle weekly and monthly because the merge would only
# Work on the intersections
interval = "".join(c for c in self.interval if c.isdigit())
if ns_parser:
if self.stock.empty:
no_data_message()
return
beta_view(
symbol=self.ticker,
ref_symbol=ns_parser.ref,
data=self.stock,
interval=interval,
export=ns_parser.export,
sheet_name=" ".join(ns_parser.sheet_name)
if ns_parser.sheet_name
else None,
)
@log_start_end(log=logger)
def call_var(self, other_args: List[str]):
"""Process var command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="var",
description="""
Provides value at risk (short: VaR) of the selected stock.
""",
)
parser.add_argument(
"-m",
"--mean",
action="store_true",
default=False,
dest="use_mean",
help="If one should use the mean of the stocks return",
)
parser.add_argument(
"-a",
"--adjusted",
action="store_true",
default=False,
dest="adjusted",
help="""
If the VaR should be adjusted for skew and kurtosis (Cornish-Fisher-Expansion)
""",
)
parser.add_argument(
"-s",
"--student",
action="store_true",
default=False,
dest="student_t",
help="""
If one should use the student-t distribution
""",
)
parser.add_argument(
"-p",
"--percentile",
action="store",
dest="percentile",
type=float,
default=99.9,
help="""
Percentile used for VaR calculations, for example input 99.9 equals a 99.9 Percent VaR
""",
)
parser.add_argument(
"-d",
"--datarange",
action="store",
dest="data_range",
type=int,
default=0,
help="""
Number of rows you want to use VaR over,
ex: if you are using days, 30 would show VaR for the last 30 TRADING days
""",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if ns_parser.adjusted and ns_parser.student_t:
console.print("Select the adjusted or the student_t parameter.\n")
else:
if self.stock.empty:
no_data_message()
return
qa_view.display_var(
self.stock,
self.ticker,
ns_parser.use_mean,
ns_parser.adjusted,
ns_parser.student_t,
ns_parser.percentile,
ns_parser.data_range,
False,
)
@log_start_end(log=logger)
def call_es(self, other_args: List[str]):
"""Process es command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="es",
description="Provides Expected Shortfall (short: ES) of the selected stock.",
)
parser.add_argument(
"-m",
"--mean",
action="store_true",
default=False,
dest="use_mean",
help="If one should use the mean of the stocks return",
)
parser.add_argument(
"-d",
"--dist",
dest="distributions",
type=str.lower,
choices=self.distributions,
default="normal",
help="Distribution used for the calculations",
)
parser.add_argument(
"-p",
"--percentile",
action="store",
dest="percentile",
type=float,
default=99.9,
help="""
Percentile for calculations, i.e. input 99.9 equals a 99.9 Percent Expected Shortfall
""",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
qa_view.display_es(
self.stock,
self.ticker,
ns_parser.use_mean,
ns_parser.distributions,
ns_parser.percentile,
False,
)
@log_start_end(log=logger)
def call_sh(self, other_args: List[str]):
"""Process sh command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="sh",
description="""
Provides the sharpe ratio of the selected stock.
""",
)
parser.add_argument(
"-r",
"--rfr",
action="store",
dest="rfr",
type=float,
default=0,
help="Risk free return",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="window",
type=int,
default=252,
help="Rolling window length",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
data = self.stock["adjclose"]
qa_view.display_sharpe(data, ns_parser.rfr, ns_parser.window)
@log_start_end(log=logger)
def call_so(self, other_args: List[str]):
"""Process so command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="so",
description="""
Provides the sortino ratio of the selected stock.
""",
)
parser.add_argument(
"-t",
"--target",
action="store",
dest="target_return",
type=float,
default=0,
help="Target return",
)
parser.add_argument(
"-a",
"--adjusted",
action="store_true",
default=False,
dest="adjusted",
help="If one should adjust the sortino ratio inorder to make it comparable to the sharpe ratio",
)
parser.add_argument(
"-w",
"--window",
action="store",
dest="window",
type=int,
default=252,
help="Rolling window length",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
data = self.stock["returns"]
qa_view.display_sortino(
data, ns_parser.target_return, ns_parser.window, ns_parser.adjusted
)
@log_start_end(log=logger)
def call_om(self, other_args: List[str]):
"""Process om command"""
parser = argparse.ArgumentParser(
add_help=False,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prog="om",
description="""
Provides omega ratio of the selected stock.
""",
)
parser.add_argument(
"-s",
"--start",
action="store",
dest="start",
type=float,
default=0,
help="""
Start of the omega ratio threshold
""",
)
parser.add_argument(
"-e",
"--end",
action="store",
dest="end",
type=float,
default=1.5,
help="""
End of the omega ratio threshold
""",
)
ns_parser = self.parse_known_args_and_warn(parser, other_args)
if ns_parser:
if self.stock.empty:
no_data_message()
return
data = self.stock["returns"]
qa_view.display_omega(
data,
ns_parser.start,
ns_parser.end,
)