ChainFrag

message ChainFrag {
  string option_symbol = 1;
  int64 start_time = 2;
  int64 tape_time = 3;
  int64 volume = 4;
  int64 total_volume = 5;
  int32 open_interest = 6;
  string premium = 7;
  int32 ask_side_volume = 8;
  int32 bid_side_volume = 9;
  int32 floor_volume = 10;
  string high = 11;
  string low = 12;
  string open = 13;
  string close = 14;
  string iv = 15;
  int32 trades = 16;
  string avg_price = 17;
  int32 mid_volume = 18;
  int32 sweep_volume = 19;
  int32 cross_volume = 20;
  int32 stock_multi_leg_volume = 21;
  int32 no_side_vol = 22;
  int32 multileg_volume = 23;
  string underlying_price = 24;
  string total_premium = 25;
  int32 total_ask_side_volume = 26;
  int32 total_bid_side_volume = 27;
  int32 total_mid_volume = 28;
  int32 total_stock_multi_leg_volume = 29;
  int32 total_neutral_volume = 30;
  int32 total_multileg_volume = 31;
  string delta = 32;
  string gamma = 33;
  string theta = 34;
  string vega = 35;
  string iv_start = 36;
  string iv_end = 37;
  string bid = 38;
  string ask = 39;
}