【中文版】

现货沥青是一种原油相关产品，其交易规则相对较为简单。沥青交易市场的主要交易方式是“T+0”交易，即买卖双方可以在任何时间进行交易，且交易完成后的当日可以进行多次买卖。

沥青交易市场采用的是保证金制度，即买卖双方在交易时需要缴纳一定比例的保证金作为履约保证。保证金比例通常在5%至10%之间，具体比例根据交易所的规定而有所不同。

沥青交易市场还实行价格波动限制制度，即限制买卖双方在一定价格范围内的交易。价格波动限制通常在一定百分比范围内，具体范围根据交易所的规定而有所不同。

此外，沥青交易市场还实行限仓制度，即限制买卖双方的持仓数量。限仓数量通常根据交易所的规定而有所不同，买卖双方需要根据交易所的规定控制持仓数量。

总的来说，现货沥青的交易规则相对较为简单，且具有一定的灵活性和风险性。投资者在进行沥青交易前需要充分了解其交易规则和风险控制方法。

【英文版】

Spot asphalt is an oil-related product, and its trading rules are relatively simple. The main trading method of the asphalt market is "T+0" trading, which means buyers and sellers can trade at any time, and after the transaction is completed, they can trade multiple times on the same day.

The asphalt market uses a margin system, which means buyers and sellers need to pay a certain proportion of margin as performance guarantee when trading. The margin ratio is usually between 5% and 10%, depending on the exchange's rules.

The asphalt market also implements a price fluctuation limit system, which means limiting the trading within a certain price range for buyers and sellers. The price fluctuation limit is usually within a certain percentage range, depending on the exchange's rules.

In addition, the asphalt market also implements a position limit system, which means limiting the position quantity for buyers and sellers. The position limit quantity is usually different depending on the exchange's rules, and buyers and sellers need to control the position quantity in accordance with the exchange's rules.

Overall, the spot asphalt trading rules are relatively simple and have certain flexibility and risk. Investors need to fully understand the trading rules and risk control methods before trading in the asphalt market.