the same period of the year earlier and has gross profit margin of 31.89%. because the company has improved the structure within the organization. The company has administrative expenses of THB 3.56
study tests for the improved performance of the Wilmott (1994) model over that of the Black-and-Scholes (1973) model in hedging effectiveness of SET 50 Index options being traded on Thailand Futures
more than its target, which reflected in 2019 gross margin increase by 250 bps YoY to 34.9%. Q4’19 Gross margin was slightly improved 50 bps YoY and recorded at 35.0%, despite the impact of new sugar tax
Coefficient of variation = Standard deviation/Mean, higher the coefficient of variation, higher the variability in the data Note: IVL NAM Spreads over raw material based on 100% PET integration from Ethane
– σ2)]. The Analysis of Hedging Error • The analysis of the hedging error have considered the problem of reducing the deviations or spread of the hedging error. Usually the root mean squared error (RMSE
Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s
margin of (11.49%). because the company has improved the structure within the organization The company has administrative expenses of THB 7.62 million, increase of THB 1.17 million or 18.03% compared to
individual listed companies. Thailand’s rating according to the ASEAN Corporate Governance Scorecard has improved, and 522 Thai companies have signed the “clean business commitment”. Nonetheless, challenges
., 2018; CALISKAN et al., 2020) •Naive Portfolio •Minimizes risk without sacrificing expected returns(Tang, 2003) •Optimal strategy(Bock, 2018;Brown et al., 2013;li, 2018) 6 Background(Cont.) •Mean variance
decreased year-on-year, attributable to improved efficiency as well as on-going cost reduction and cost control. Hence, gross profit margin improved from 7.0% of sales in Q1 2016 to 7.7% of sales in Q1 2017