Options Brief: JA Solar Holdings Co.

Shares of JA Solar Holdings Co. JASO are lower on the session by 3.39%, trading at $4.98. Overall call volume is now running at 2.31x the daily average, with 89% of all calls traded being purchases on the offer. 4,079 contracts have traded on the session so far. JA Solar Holdings Co., Ltd. is a manufacturer of high-performance solar cells based in People's Republic of China. The company produces and sells both monocrystalline and multicrystalline solar cells.