According to Florio, most trades will be consummated by tomorrow or Thursday, due to the impact of the COVID rules this year:
https://profootballtalk.nbcsports.co...y-or-thursday/
With regard to Darnold in particular, Sports Illustrated is reporting that the Jets won't trade him until this offseason, at the earliest:
https://www.si.com/nfl/2020/10/25/nf...-during-season