In the local Turkish steel plate spot market, traders' prices for stock material St37 grade 15-40 mm x 1,500 mm steel plate in Turkey's Gebze region have increased by $20/mt over the past month to $490-510/mt ex-warehouse, while prices for the same grade in the Eregli region have moved up by $20/mt in the same period to $480-500/mt ex-warehouse. Both price ranges are for advance payments and excluding 18 percent VAT, for November deliveries.