margin_use: Calculate amount of margin in use

In themechanicalbear/tastytrade: A collection of R functions for options trading analysis

Description

Calculate the amount of margin in use each day during the study. Can be used as a decision point on if new positions can be opened

Usage

margin_use(sy, st, en, marg)

Arguments

sy	character string representing stock symbol for group and join later
st	character string understood by lubridate ymd to represent open date of trade
en	character string understood by lubridate ymd to represent closing date of trade
marg	numeric of the margin at open for this position

Value

dataframe of dates when position was open including stock symbol and margin

themechanicalbear/tastytrade documentation built on June 28, 2019, 10:16 p.m.