}
'''
Option chain possible fields
symbol:
contractType:
strikeCount:
includeQuotes:
strategy:
interval
strike
range
fromDate
toDate
volatility
underlyingPrice
interestRate
daysToExpiration
expMonth
optionType
'''
# Get Option Chains
option_chains = TDSession.get_options_chain(option_chain = opt_chain)
for key, value in option_chains.items():
with open('option_chain.json', 'w') as outfile:
json.dump(option_chains, outfile, indent=2)
if TD['symbol'] == '':
TD['symbol'] = input('\n\nPlease input the symbol\n\n')
# Create a new session, a local credentials file is required.
TDSession = TDClient(client_id=TD['client_id'],
redirect_uri='http://localhost',
credentials_path=os.path.join(
os.path.dirname(os.path.abspath(__file__)),
'state.json'))
# Login to TDAmertrade to authenticate this app
TDSession.login()
# Get the options chain
option_chain = TDSession.get_options_chain(
option_chain={
# Documentation
# https://developer.tdameritrade.com/option-chains/apis/get/marketdata/chains
'symbol': TD['symbol'],
'contractType': 'CALL',
'strikeCount': 5,
'range': 'OTM',
'fromDate': TD['fromDate'],
'toDate': TD['toDate'],
})
# Print returned json to the screen
print('\n')
pprint.pprint(option_chain)
input('\n\nPress Enter to close\n\n')
