firms Unlike the other Greeks, implied volatility was unknown. 6 t Implied volatility Realized volatility t + 1 • It was calculated by reverse engineer process from the option price at time t. • Implied

]St0 HC = Ct1−[Delta]St1 DeltaBS = f ( St0, K, T, r, σ ) Historical statistic : Standard deviation Implied statistic : Min ∑ (Cmarket – C theoretical) 2 DeltaWM = f ( St0, K, T, r, μ, σ* ) σ* = f (r, μ

ไดรบัอนุญาต ตองจัดใหมีการเปดเผยขอมูลเพื่อเปรียบเทียบคาความผันผวนแฝง (implied volatility) กับคาความผันผวนในอดีต (historical volatility) บน website ของผูออก DW โดยเปนการเปดเผย อยางตอเนื่อง

established Saha Advance Network Co., Ltd. (SAN), a joint venture with Saha Pathana Inter-Holding Plc, with investment of Bt21mn for 70% stake. SAN will provide fibre optics infrastructure service for SPI’s

advance, as from 30 November 2017 until 31 January 2018. The criteria have already been placed on the Company’s website http://www.vinythai.co.th. Please be informed accordingly. Sincerely yours, (Mr

result, sales expenses was higher than the same quarter in 2016 at Baht 11.16 million. Advance Prefab Co., Ltd., the precast concrete products manufacturer, completely established its plant and has started

, while maximising their durability and lifecycles. Deeper knowledge of specific sustainability challenges is needed to help advance solutions and CHANEL is investing in scientific research, as well as the

banks - 59.18 (59.18) n.a. Trade and other payables 233.68 286.57 (52.89) (18.46) Details 31 Mar 2018 31 Dec 2018 Increased (Decreased) % Service income received in advance 356.83 422.43 (65.60) (15.53

เพิ่มเติม เพื่อใหตลาดซื้อขาย DW มีประสิทธิภาพยิ่งขึ้น (market efficient) กลาวคือ จากการศึกษาขอมูลพบวา ในทางปฏิบัติที่ผานมา ผูออก DW บางราย มีการกําหนดราคา DW โดยคิดคา Implied Volatility2 ไวคอนข

: ............................ Remark: The applicant is required to notify the SEC Office in advance at least five business days before the opening of the representative office abroad.