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
-year guidance, underpinned by improved 4G network and larger AIS Fibre coverage. QoQ, revenue slightly dropped by 0.8%. The handset campaigns were more selective, resulting in lower marketing expense
, blended APRU rose 0.6% QoQ to Bt256, driven by growing data usage (VoU) at 6.7GB/data sub/month and a larger proportion of postpaid subscribers which represented 18% of total subscribers from 16% in 4Q16
continued to increase to Bt257 or +0.4% QoQ following the larger postpaid base and VOU growth. AIS Fibre continued to ramp up with a net addition of 50,600 in 1Q18, compared to 39,700 in 4Q17. Focusing on
) postpaid segm Bt30,715mn in regulatory fee and bad debt. the FY17 guida 2Q17 Fina Revenue In 2Q17, AIS’ t and 0.6% QoQ both mobile a Service revenu YoY and 2.5% larger subscri (excluding IC) higher
increasing 13% YoY and 5.3% QoQ from shop expansion and renovation. Bad debt was Bt551mn, increasing 57% YoY in accordance with larger revenue contribution from postpaid segment. QoQ, bad debt dropped 2.6
between postpaid and prepaid from 17% vs 83% in 2Q17 to 19% vs 81% in 2Q18. Following the larger postpaid base, blended ARPU continued to increase by 0.3% QoQ, supported by higher data consumption on 4G
assets were Bt34,905mn stable from 2017 as higher account receivables, following a larger base of postpaid customers, was offset by lower cash. Total non- current assets were Bt255,600mn increasing 2.6
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