How much can you make staking Casper?

Could you elaborate on the potential earnings one could achieve by staking Casper? Given the current market conditions and staking reward mechanisms, is there a general range or estimation of the potential returns? Are there any specific factors that influence these earnings, such as the amount of Casper staked, the staking duration, or the overall network usage? Additionally, are there any risks or considerations one should take into account before deciding to stake Casper?