This can not be answered precisely right now as it depends on many factors like the type of node you run, your PRO score (proof of reputable observation) which itself is affected by many factors such as uptime and most significantly it depends on the total number of nodes (as a fixed amount is split between all nodes). "ekthelius_the_accumulator" has done a great job on a spread sheet which he is updating regularly (just use the search function in DAG traders telegram and search for "speculative income calculator"). You can play with the numbers there and calculate your potential rewards based on price, number of total nodes and number of nodes you are running yourself.