Activate the `verify` plugin to use this feature
require 'ib-api' ib= IB::Connection.new # Connect to the TWS ib.activate_plugin 'verify' # Activate the Plugin ib.try_connection! puts IB::Stock.new( symbol: 'T' ).verify.as_table ┌───────┬────────┬──────────┬──────────┬───────────────┬──────────┐ │ │ symbol │ con_id │ exchange │ trading-class │ currency │ ╞═══════╪════════╪══════════╪══════════╪═══════════════╪══════════╡ │ Stock │ T │ 37018770 │ SMART │ T │ USD │ └───────┴────────┴──────────┴──────────┴───────────────┴──────────┘
Contract#verify
To ease the process of verification of given contract-attributes, a handy verify method is provided.
w = IB::Symbols::Stocks.wfc
w.con_id => 0
ww = w.verify.first
ww.con_id => 10375
ww.contract_detail.long_name => "WELLS FARGO & CO"
IB::Contract.verify sends a :RequestContractData-Message, fetches the response and extracts IB::Contracts.
It returns an array of qualified IB::Contracts.
::
Contract#verify queries the TWS for a valid contract and returns the response as new object.Manipulations of the response
Contract#verify accepts a block to to manipulate the received contract.
f = IB::Symbols::Options.stoxx.mini_dax.merge expiry: 0 # unset expiry
dax_con_ids = f.verify do |c|
{ c.expiry => c.con_id } if c.last_trading_day =~ /#{Date.today.year}/
end.compact
=> [{"20240920"=>540729524}, {"20241220"=>540729531}]