The bidding ladder "1234" refers to the bidding ladder established in units of natural numbers, such as every 100 yuan or every 1000 yuan.
The bidding ladder can also take the form of "2468", that is, one is set up for every even number of units, such as every 200 yuan, or 2000 yuan, or 20000 yuan as a bidding ladder, and so on.
When the bidding ladder adopts the "5050" method, it is established in integer and semi-integer units, such as "2000 yuan, 2500 yuan, 3000 yuan, 3500 yuan" or "30000 yuan, 35000 yuan, 40000 yuan, 45000 yuan".
The "2580" bidding ladder is often used in art auctions at home and abroad. For example, in the price range from 1000 yuan to 10000 yuan, adopting "2580" generally means that the quotation can be 1200 yuan, 1800 yuan, 2000 yuan.
Extended data:
In asset auction, if the price difference between auction items is great, different auction items can use different bidding ladders. For example, in an auction, there is a house worth 1 ten thousand yuan and a TV set worth 1 ten thousand yuan. The former bidding ladder can be set to "1 234" when it is 1 10,000 yuan, that is, the bidding ladder is 1 10,000 yuan; The bidding ladder of the latter is set to "2468" in ten yuan, that is, the bidding ladder is 20 yuan.
In the actual auction, every auction, even every item in the asset auction may have a different bidding ladder. The auctioneer should adapt to changing the bidding ladder at any time in the auction, and use the bidding ladder as a very important skill in the auctioneer's presiding.