Bitfinex-Perpetual Futures Contracts - Bitfinex blog
21357
attachment,attachment-template-default,single,single-attachment,postid-21357,attachmentid-21357,attachment-png,bridge-core-3.0.6,et_bloom,qode-page-transition-enabled,ajax_fade,page_not_loaded,,qode-title-hidden,qode_grid_1300,footer_responsive_adv,qode-content-sidebar-responsive,qode-child-theme-ver-1.0.0,qode-theme-ver-29.3,qode-theme-bridge,qode_header_in_grid,wpb-js-composer js-comp-ver-6.10.0,vc_responsive