貿易通2019年中報

54 Tradelink Electronic Commerce Limited  Interim Report 2019 Notes to the Unaudited Interim Financial Report (Continued) 未經審核中期財務報告附註 （續） For the six months ended 30 June 2019 截至二零一九年六月三十日止六個月 17 以股權結算並以股份為基礎的交易 （續） (b) 購股權的公允價值及假設 作為授出購股權代價而獲得的服務的公允 價值，乃參照已授出購股權的公允價值計 量。已授出購股權的估計公允價值乃根據 柏力克舒爾斯模式計量。此模式亦會計及 購股權的合約年期。 購股權的公允價值及假設 預期波幅參考本公司與預期購股權有效期 長度相同之期間的每日歷史波幅作出。預 期股息按過往股息而定。用作計算的主觀 假設如有更改，可能重大影響公允價值的 估計。 購股權是基於已提供服務的條件授出。計 算所獲提供服務於授出日期的公允價值 時，並無考慮該項條件。授出購股權與市 況無關。 17 Equity-settled share-based transactions (Continued) (b) Fair value of share options and assumptions The fair value of services received in return for share options granted is measured by reference to the fair value of share options granted. The estimate of the fair value of the share options granted is measured based on Black Scholes Model. The contractual life of the share option is used as an input into this model. Fair value of share options and assumptions 2019 2018 二零一九年 二零一八年 Fair value at measurement date 於計量日期的公允價值 HK$0.113 港幣 0.113 元 HK$0.169 港幣 0.169 元 Share price 股價 HK$1.406 港幣 1.406 元 HK$1.34 港幣 1.34 元 Exercise price 行使價 HK$1.406 港幣 1.406 元 HK$1.34 港幣 1.34 元 Expected volatility (expressed as weighed average volatility used in the modelling under Black Scholes Model) 預期波幅（按柏力克舒爾斯 模式所用之加權平均波幅 呈列） 23.2% 28.7% Option life (expressed as weighed average life used in the modelling under Black Scholes Model) 購股權年期（按柏力克舒爾斯 模式所用之加權平均年期 呈列） 5 years 5 年 5 years 5 年 Expected dividends 預期股息 6.7% 6.6% Risk-free interest rate (based on the yield of Hong Kong Government Bonds) 無風險利率（按香港政府債券 收益率計算） 1.628% 2.199% The expected volatility is made with referenced to the daily historical volatilities of the Company with period commensurate to the expected option life. Expected dividends are based on historical dividends. Changes in the subjective input assumptions could materially affect the fair value estimate. Share options were granted under a service condition. This condition has not been taken into account in the grant date fair value measurement of the services received. There were no market conditions associated with the share option grants.