with futures you make 12.50 per .25 (tick) move in ES, so a 10 point move is $500, assuming you have one contract. If you have a 100 point move in the index that is worth $5000. the math is simple 100 divided by .25 = 400. Then... 400 X $12.50 = $5000. the contract varies, but it costs about 1400 to 1600