{"tastyworks": {
  "stock_options": {
    "index_option": {
      "open": {
        "commission_per_contract": 0.65,
        "max_commission_per_leg": 0.00,
        "clearing_fee_per_contract": 0.10,
        "orf_fee_per_contract": 0.02135
      },
      "close": {
        "commission_per_contract": 0.65,
        "clearing_fee_per_contract": 0.10,
        "orf_fee_per_contract": 0.02135,
        "finra_taf_per_contract": 0.002,
        "sec_fee_per_contract_wo_trade_price": 0.00051
      }
    },
    "equity_or_etf_option": {
      "open": {
        "commission_per_contract": 1.00,
        "max_commission_per_leg": 10.00,
        "clearing_fee_per_contract": 0.10,
        "orf_fee_per_contract": 0.02135
      },
      "close": {
        "commission_per_contract": 0.00,
        "clearing_fee_per_contract": 0.10,
        "orf_fee_per_contract": 0.02135,
        "finra_taf_per_contract": 0.002,
        "sec_fee_per_contract_wo_trade_price": 0.00051
      }
    }
  }
}}