[//]:content-type-MARKDOWN-DONOT-DELETE Gate.io is going to upgrade and optimize the storage of historical data for USDT margin perpetual contracts from 06:00 - 06:30 UTC on 08 March, 2023. The upgrade will take about 30 minutes and partial service will be unavailable during the process. There might be minimal trading interruption and query interruption on all affected contracts during the process. If you are an affected trader and API user, please adjust your strategies beforehand. Affected services: All USDT margined perpetual contracts This upgrade will bring you improved user experience.Thank you for your understanding and continued support. Gateway to Crypto Trade over 1,400 cryptocurrencies safely, quickly and easily on Gate.io [Sign up](https://www.gate.io/signup "Sign up") to enter the crypto gateway and get 40% commission from [referrals](https://www.gate.io/referral "referrals") [Download iOS/Android App](https://www.gate.io/mobileapp?ch=ann27560 "Download iOS/Android App") right now. Reach out to us! Twitter: https://twitter.com/gate_io GateVIP Twitter: https://twitter.com/GateioVIP Telegram: https://t.me/gate_io API Telegram: https://t.me/gateioapi Instagram: https://www.instagram.com/gateioglobal Medium: https://gateio.medium.com/ Podcast: https://gateio.buzzsprout.com/?ch=buzzs Gate.io Team March 8, 2023