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
1 1Q18 MD&A Advanced Info Service Plc. Executive Summary Expand into potential growth areas of enterprise and mobile money AIS has executed two strategic deals totaling Bt4.2bn of cash transactions
]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
1 2Q20 MD&A Advanced Info Service Plc. Executive Summary 2Q20 reflected the full effect of COVID-19 The effect from COVID-19 pandemic which had begun since Feb- 20 continued to fully develop in 2Q20
1 2017 MD&A Advanced Info Service Plc. Executive Summary In 2017, mobile business improved from stronger 4G positioning amidst competitive environment. Competitive landscape remained challenging in
1 2Q19 MD&A Advanced Info Service Plc. Executive Summary Competition in mobile saw an improvement In 2Q19 the price competition in mobile industry had improved with fixed speed unlimited data pricing
without AIS PLAYBOX (Video service). Fixed broadband ARPU continued to improve to Bt541 as existing subscription with aggressive discounts gradually expired. 1Q17 MD&A Advanced Info Service Plc. 1Q17 MD&A
1 3Q17 MD&A Advanced Info Service Plc. Executive Summary AIS continued revenue growth momentum in 3Q17, attributed to both mobile and fixed broadband businesses. 3Q17 service revenue (excluding IC
1 1Q19 MD&A Advanced Info Service Plc. Executive Summary Mobile growth remained soft from ongoing price competition Overall mobile market in 1Q19 reflected industry's effort in gradually
1 2Q18 MD&A Advanced Info Service Plc. Executive Summary AIS continued to deliver revenue growth in all segments. In 2Q18, core service revenue, which excluded IC and equipment rental, was Bt33,464mn