The role of the Indonesian money market in the economy development is extremely important, taking into consideration of the society funding which can support the economy development of our country. With this reason the money market has taken a great role in financing fresh funds so that it could help companies in need to develop its exertion. With the existence of the Ordinance Number 1 year 1995 concerning Limited Liability Company and The Ordinance Number 8 year 1995 regarding the money market, it gives support for the execution of money market activity with correct order. The society participation in invesment of the financial capital of the money market should obtain government support along with the institute related to money market, so that investors receive security in investing the financial capital. The trust of the society towards the money market will be extremely good if the mentioned company goes public in conducting its public offer of its shares which is done with good intention, honesty and open in accordance with the valid requisite of the money market which is open principle. Having good, honest and sincere open information, will greatly help investors in choosing and buying shares and having a feeling of security.