Annual Report 2017

93 (Unit: THB million) Dec 31, 2017 Dec 31, 2016 Increase /(Decrease) Amount % Cash and cash equivalents 1,261 717 544 75.87 Cash at banks for financial benefits payable 68 66 2 3.03 Investment portfolio 15,128 18,489 (3,361) (18.18) Trading 3,351 7,828 (4,477) (57.19) Available-for-sale 9,965 8,521 1,444 16.95 Held-to-maturity 1,792 2,103 (311) (14.79) General investments 20 37 (17) (45.95) Total 16,457 19,272 (2,815) (14.61) (Unit: THB million) Dec 31, 2017 Dec 31, 2016 Increase /(Decrease) Amount % Total assets 45,196 39,539 5,657 14.31 Total liabilities 17,821 14,141 3,680 26.02 Fund balances 27,375 25,398 1,977 7.78 2. Analysis of financial position 2.1 Analysis of assets As at December 31, 2017, total assets of the SET group amounted to THB 45,196 million, an increase of THB 5,657 million or 14.31%, in comparison with the balance as at December 31, 2016. Significant details are as follows: 2.1.1 Cash and cash equivalents, cash at banks for financial benefits payable and investments were THB 16,457 million or 36.41% of total assets, a THB 2,815 million or 14.61% decreases, categorized as follows: Significant movements in assets, liabilities and funds of the SET group as at December 31, 2017 when compared with the balance as at December 31, 2016, were as follows: The value of trading securities in 2017 decreased by THB 4,477 million, mainly from the transfer of the SET Reserve Fund, totaling THB 5,047 million to “Reserve fund for clearing and settlement” under Thailand Clearing House Co., Ltd., with the objectives to strengthen the security of both the securities settlement and delivery system and the derivatives contracts settlement system as well as to comply with international standards, according to the resolution of the Board of Directors. 2.1.2 Assets for margin deposits and benefits, and assets for clearing system protection and benefits recorded as THB 15,300 million or 33.85% of total assets, up by THB 3,419 million or 28.78%. This margin deposits and benefits of Thailand Clearing House Co., Ltd. increased in accordance with the increase in trading volume of derivatives. Members of the clearing house are obliged to place the required margin deposits as a guarantee according to the specified rate, and also to