Yes, you may deposit your bullion into your Stacker Market™ Account via the Asset Transfer Service (ATS) provided by Singapore Precious Metals Exchange Pte Ltd. Bullion will be verified before it is credited into your Stacker Market™ Account.
You may request for the transfer using this link:
What is the cost to deposit my own bullion into Stacker Market™?
Are there any storage or maintenance fees for the bullion I had moved to my Stacker Market™ account?
Can I move bullion from another vault to my Stacker Market™ account?