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Tradelink Electronic Commerce Limited
Interim Report 2017
54
Notes to the Unaudited Interim Financial Report
(Continued)
未經審核中期財務報告附註
（續）
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
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 assumption
2017
2016
二零一七年
二零一六年
Fair value at measurement date
於計量日期的公允價值
HK$0.205
港幣
0.205
元
HK$0.180
港幣
0.180
元
Share price
股價
HK$1.59
港幣
1.59
元
HK$1.57
港幣
1.57
元
Exercise price
行使價
HK$1.592
港幣
1.592
元
HK$1.57
港幣
1.57
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）
31.0%
30.0%
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
6.6%
6.7%
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）
1.149%
0.589%
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.
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。