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Versions: 9
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Contents
require 'httparty'
#
# * make calls every once in a while
# * If the option price dips below a threshold, close the position (create the order to buy back the option)
#
# cron job or service? Well, I've historically done service. Cron is easier tho. The wiring should be for both.
# https://developer.tdameritrade.com/option-chains/apis/get/marketdata/chains
# FVRR_082021P200
module Warbler::Ameritrade
CONFIG = {
underlying_downprice_tolerance: 0.14,
}
## AKA stop loss
def self.main_fvrr_2
# @TODO: pass the info on the position in here.
strike_price = 200
# What is my risk tolerance here? 14% down movement of the underlying
response = ::Warbler::Ameritrade::Api.get_quote({ symbol: 'FVRR' })
last_price = response[:lastPrice]
tolerable_price = ( strike_price * (1-CONFIG[:underlying_downprice_tolerance]) )
if last_price < tolerable_price
puts! 'LIMIT TRIGGERED, LETS EXIT' # @TODO: send an email
end
end
end
class ::Warbler::Ameritrade::Api
include ::HTTParty
base_uri 'https://api.tdameritrade.com'
def self.get_quote opts
# validate input
%i| symbol |.each do |s|
if !opts[s]
raise Ish::InputError.new("invalid input, missing #{s}")
end
end
path = "/v1/marketdata/#{opts[:symbol]}/quotes"
out = self.get path, { query: { apikey: ::TD_AME[:apiKey] } }
out = out.parsed_response[out.parsed_response.keys[0]].symbolize_keys
out
end
def self.get_option_chain opts
# validate input
%i| apikey symbol contractType strike fromDate toDate |.each do |s|
if !opts[s]
raise Ish::InputError.new("invalid input, missing #{s}")
end
end
path = '/v1/marketdata/chains'
out = self.get path, { query: opts }
out
end
end
Version data entries
9 entries across 9 versions & 1 rubygems