No one asking them to predict, asking them to publish the data that’s already available or can be calculated.
Index is cash settled , it is a very interesting and tough thing to trade but money can be made if you are sensible about the position size
Yeah, this feature make sense for traders, even we wanted to offer this feature. But there were discussions from last year on changing how close price should be calculated etc hence we never took this up.
Couple of weeks ago new way of calculating close price circular is released. Can check this.
Please reconsider it, as this would definitely be useful.
On expiry days, one can track via ITM CEs, but it can get a bit tricky rest of the time.
In my experience, this won’t be accurate in the last 30m, when ops are trying to “mark the close” away from cmp.
I think, for now you just have to calculate vwap from 3 o clock of constituent stocks and use that with spi to calculate index price.