Sometimes you see extremely big buy orders for coins with scanty buy orders. With this, you can easily know that whales are doing what they know best especially for coins which have gone through significant dump.
Yes that is right and probably this is what has been happening with BNB lately due to which the price of the coins is rising high and this is going more and quicker. This is the sign of the involvements of whales in the market and such opportunities are cashed by the investors with low capital for the price gets significantly pushed up by the whales.