+ Time value 𝑆 − 𝐾 for call option 𝑐ℎ𝑎𝑛𝑐𝑒 𝑜𝑓 𝑆 − 𝐾 𝑏𝑒𝑓𝑜𝑟𝑒 𝑒𝑥𝑝𝑖𝑟𝑦 Too complicated for or misunderstood by naive investors. Fixed at issue and then guided when trading by Brokerage

]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

Rules and Appropriate Investment Advisory (3) Knowledge on complex and non-complex capital market products e.g. derivatives, debt securities, and high-risk or complicated mutual funds (4) Investment

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

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

representation, warranty or undertaking, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or the opinions contained

.; (b) the complicated nature of the action or the tools using for such action such as using a disguised name of other person or establishing a company for concealment; (c) the record of behaviour of

.; (b) the complicated nature of the action or the tools using for such action such as using a disguised name of other person or establishing a company for concealment; (c) the record of behaviour of

is so numerous that to conduct a case as an ordinary case shall be complicated and impractical.2 2. The consequence of the judgment The judgment of the Court shall have the consequence of binding the

opportunity to receive an order of sacks, printed sacks or gravure sacks as well, and is a product that is not very complicated. These types of products are regularly produces by the factory which will help in