期货银期转账签约是指投资者在开展期货投资时，与期货公司和银行签订相关协议，以便能够进行期货交易和银期转账。有时投资者可能会遇到签约不上的问题。本文将从几个方面解释为什么会出现这种情况。

1. 交易资质不符合要求

在进行期货银期转账签约前，投资者需要满足一定的交易资质要求，例如年龄、居民身份等。如果投资者的资质不符合要求，就无法签约成功。

2. 未满足所需资金

进行期货银期转账签约需要支付一定的手续费和保证金。如果投资者未满足所需的资金要求，无法完成签约。

3. 审核不通过

期货公司和银行会对投资者提交的相关资料进行审核，在审核过程中，如果发现投资者提供的资料不合规或存在问题，会导致签约不通过。

4. 系统故障或网络问题

有时，投资者遇到签约不上的问题可能是由于系统故障或网络问题导致的。这种情况下，投资者需要联系期货公司或银行的客服人员，寻求帮助并解决问题。

总结：

期货银期转账签约不上可能是因为投资者的交易资质不符合要求、未满足所需的资金、审核不通过或系统故障等原因。投资者在签约前要了解相关要求，并准备好所需资金和相关资料，以避免出现签约不上的情况。

参考译文：

Why Can\'t You Sign a Contract for Futures and Securities Transfer?

The signing of a contract for futures and securities transfer refers to the agreement between investors, futures companies, and banks in order to carry out futures trading and securities transfer. However, sometimes investors may encounter difficulties in signing the contract. This article will explain why this situation occurs in several aspects.

1. Inadequate trading qualifications

Before signing a contract for futures and securities transfer, investors need to meet certain trading qualification requirements, such as age and residential status. If investors do not meet the qualification requirements, they will not be able to sign the contract successfully.

2. Insufficient funds

Signing a contract for futures and securities transfer requires payment of certain fees and margin. If investors do not have sufficient funds, they will not be able to complete the signing.

3. Failed verification

Futures companies and banks will review the relevant information submitted by investors. During the review process, if the information provided by investors is not compliant or problematic, the signing will not be approved.

4. System failure or network issues

Sometimes, the inability to sign a contract may be due to system failures or network issues. In this case, investors need to contact the customer service of the futures company or bank for assistance and problem resolution.

In summary, the inability to sign a contract for futures and securities transfer may be due to investors\' inadequate trading qualifications, insufficient funds, failed verification, or system failures. Investors should familiarize themselves with the relevant requirements before signing and prepare the required funds and information to avoid difficulties in signing the contract.