Hellenic Telecom Organization SA (OTCMKTS:HLTOY – Get Free Report) was the target of a large growth in short interest in September. Hellenic Telecom Organization Stock Up 0.4%OTCMKTS:HLTOY opened at $9.61 on Wednesday. Get Hellenic Telecom Organization alerts:Hellenic Telecom Organization (OTCMKTS:HLTOY – Get Free Report) last released its quarterly earnings results on Wednesday, August 6th. Hellenic Telecom Organization had a net margin of 12.39% and a return on equity of 26.09%. Recommended StoriesReceive News & Ratings for Hellenic Telecom Organization Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Hellenic Telecom Organization and related companies with MarketBeat.com's FREE daily email newsletter.