Utilities GTJAI-Stock Option OTPApp + Apk Download April 17, 2018 12 App Details: Version 1.0.1 Created & Sold by Guotai Junan International Holdings Limited Released on April 17, 2018 File Size: 1 MB Price: Free! Age Rating: 4+ Category Utilities Description:GTJAI-Stock Option OTP is a security code generator for client to operate Stock Option online trading system. Free! iPhone Screenshots: Free! - View in App Store Too few ratings for this version.