HNT Perpetual Futures is currently undergoing a maintenance and upgrade period. This was started at 16:05 PM on October 14, 2022 (UTC).
All HNT futures-related functions will be unavailable during this update i.e. order placement, order cancellation, and margin calls. All other trading functions will be available on poloniex.com including spot trading and other futures trading.
Thank you for your patience. We will issue another announcement as soon as the maintenance is completed.
Poloniex Team
October 14, 2022