Investment Studio > Expressions > Functions > Lookup
| Result type | Function name | Arguments |
| float | asset_ask | (integer asset_index, date quote_date) |
| float | asset_ask_size | (integer asset_index, date quote_date) |
| float | asset_bid | (integer asset_index, date quote_date) |
| float | asset_bid_size | (integer asset_index, date quote_date) |
| float | asset_close | (integer asset_index, date quote_date) |
| string | asset_currency | (integer asset_index) |
| float array[*][2] | asset_fee_flows | (integer asset_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float | asset_fees | (integer asset_index, date start_date, date end_date) |
| float | asset_first_trade | (integer asset_index) |
| string | asset_flag | (integer asset_index, date quote_date) |
| float array[*][2] | asset_flows | (integer asset_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float | asset_high | (integer asset_index, date quote_date) |
| float | asset_investment | (integer asset_index, date start_date, date end_date) |
| float | asset_last_trade | (integer asset_index) |
| float | asset_low | (integer asset_index, date quote_date) |
| string | asset_name | (integer asset_index) |
| float | asset_nav | ((integer asset_index, date quote_date, boolean allow_old = FALSE) |
| float | asset_open | (integer asset_index, date quote_date) |
| float | asset_open_interest | (integer asset_index, date quote_date) |
| float | asset_percent_bonds | (integer asset_index) |
| float | asset_percent_cash | (integer asset_index) |
| float | asset_percent_other | (integer asset_index) |
| float | asset_percent_stocks | (integer asset_index) |
| float | asset_principal | (integer asset_index, date start_date, date end_date) |
| float array[*][2] | asset_principal_flows | (integer asset_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float array[*][*] | asset_quotes | (integer asset_index, string fields, date start_date, date end_date = start_date, integer max_quotes = -1) |
| float array[*][2] | (integer asset_index, date start_date, date end_date) | |
| string | asset_symbol | (integer asset_index) |
| float | asset_units | (integer asset_index, date quote_date) |
| float array[*][2] | (integer asset_index, date start_date, date end_date) | |
| float | asset_volume | (integer asset_index, date quote_date) |
| float | portfolio_converted_currency_part | (string currency_code, integer porfolio_index, date quote_date, boolean allow_old = FALSE) |
| string | portfolio_currency | (integer porfolio_index) |
| float | portfolio_currency_part | (string currency_code, integer porfolio_index, date quote_date, boolean allow_old = FALSE) |
| float array[*][2] | portfolio_fee_flows | (integer portfolio_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float | portfolio_fees | (integer portfolio_index, date start_date, date end_date) |
| float | portfolio_first_trade | (integer porfolio_index) |
| array[*][2] | portfolio_flags | (integer portfolio_index, date quote_date) |
| float array[*][2] | portfolio_flows | (integer portfolio_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float | portfolio_investment | (integer portfolio_index, date start_date, date end_date) |
| float | portfolio_last_trade | (integer porfolio_index) |
| string | portfolio_name | (integer porfolio_index) |
| float | portfolio_nav | (integer portfolio_index, date quote_date, boolean allow_old = FALSE) |
| float | portfolio_percent_bonds | (integer portfolio_index, date quote_date, boolean allow_old = FALSE) |
| float | portfolio_percent_cash | (integer portfolio_index, date quote_date, boolean allow_old = FALSE) |
| float | portfolio_percent_other | (integer portfolio_index, date quote_date, boolean allow_old = FALSE) |
| float | portfolio_percent_stocks | (integer portfolio_index, date quote_date, boolean allow_old = FALSE) |
| float | portfolio_principal | (integer portfolio_index, date start_date, date end_date) |
| float array[*][2] | portfolio_principal_flows | (integer portfolio_index, date start_date, date end_date, float start_flow = 0, float end_flow = 0) |
| float array[*][2] | portfolio_quotes | (integer portfolio_index, date start_date, date end_date = start_date, integer max_quotes = -1) |
| string | portfolio_symbol | (integer porfolio_index) |
| integer | transaction_asset | (integer transaction_number) |