=== STRUCTURE TABLE EEX_V2_FUTURES ===
Colonnes de la table:
  id                   | int(10) unsigned | NOT NULL
  pricesymbol          | varchar(50)     | NULL
  tradedatetimegmt     | datetime        | NULL
  onexchsingletradevolume | decimal(15,2)   | NULL
  onexchtradevolumeeex | decimal(15,2)   | NULL
  offexchtradevolumeeex | decimal(15,2)   | NULL
  openinterest         | decimal(15,2)   | NULL
  ontradeprice         | varchar(50)     | NULL
  close                | varchar(50)     | NOT NULL
  service_name         | varchar(50)     | NULL
  api_url              | varchar(500)    | NULL
  created_at           | timestamp       | NOT NULL
  updated_at           | timestamp       | NOT NULL

=== ÉCHANTILLON DE DONNÉES ===
Échantillon (3 premiers enregistrements):
  id                  : 1
  pricesymbol         : /E.F7PYF26
  tradedatetimegmt    : 2025-10-24 12:00:00
  onexchsingletradevolume: 3132.00
  onexchtradevolumeeex: 3132.00
  offexchtradevolumeeex: 40716.00
  openinterest        : 3294.00
  ontradeprice        : 62.4
  close               : 61.88
  service_name        : futures_power
  api_url             : https://webservice-eex.gvsi.com/query/json/getChain/gv.pricesymbol/gv.displaydate/gv.expirationdate/tradedatetimegmt/gv.eexdeliverystart/ontradeprice/close/onexchsingletradevolume/onexchtradevolumeeex/offexchtradevolumeeex/openinterest/?expirationdate=2025%2F10%2F23&onDate=2025%2F10%2F24&optionroot=%22%2FE.F7PY%22
  created_at          : 2025-10-25 15:14:33
  updated_at          : 2025-10-28 10:10:24