Sky Blue line - Long , as see this line which was as support line, has now became resistance line hence its Flip line.
Looking at recent prices action prices turn after touching it can be seen in as well.
Level of 775 to 720 are good for entry for target of 850+.
Situation needs to be observed carefully once it break the blue line
As long as prices are supported by 50EMA line and 50EMA pointing upwards one can relax and sit.
Both this lines are comming Closer to each other, will see what will happen when they intersect each other, if with price moving in same direction of line.