i added some scripts to market watch,But some are not able to purchase.Example GVK power.
I tried when it was 12.35 .now it is 16.30 still I could not purchase.
And Another Example is AIMCOPEST in bse.
GVK Power has been opening and staying at its upper circuit limit for the past few trading days. That’s why you’re unable to purchase it because when a stock hits upper circuit, there will be only buyers in that stock and no sellers will be present. If you place a buy order, it will remain open but it will not execute as there is no seller to match your order.