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
% margin, largely from controlled handset subsidy, improve revenue momentum, and cost efficiency. Service revenue (excluding IC) increased 4.9% YoY supported by both mobile and fixed broadband segments
-value customers, causing the drop in acquisition rate. The growth is expected to gradually improve with long-term targets maintained. On the other hand, existing customers showed a continuing ARPU uplift
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
to the fact that this country has done remarkably well on containing the spread of COVID-19, presales and revenue would improve as expected once the Company’s proactive marketing strategies are
flat QoQ. Average cost of borrowing was maintained at 3.1% per year. Profit In 2Q18, EBITDA continued to improve 11% YoY and 0.5% QoQ to stand to Bt18,998mn, following revenue growth and continuous cost
cities while continued to improve operational efficiency to better target valued customers. 2 3Q18 MD&A Advanced Info Service Plc. Mobile Business 3Q17 4Q17 1Q18 2Q18 3Q18 Subscribers Postpaid 7,226,800
ไดรบัอนุญาต ตองจัดใหมีการเปดเผยขอมูลเพื่อเปรียบเทียบคาความผันผวนแฝง (implied volatility) กับคาความผันผวนในอดีต (historical volatility) บน website ของผูออก DW โดยเปนการเปดเผย อยางตอเนื่อง
launc a significant pla will pursue sele will also put foc while remaining Continue to gro In summary, w subscribers, we recognition of p improve and st for both mobile New dividend p AIS is committ