That rarely happens in the NHL draft. Although, 11OV is the most traded slot in the past decade.
History of trading back in the top 20 of the NHL Draft
Hockey Draft Pick Transactions
2023: NONE (First trade up for picks was 43 for 47+147)
2022: SJ traded 11 to Arizona for 27, 34, & 45
2021: Dallas traded 14 to Detroit for 22, 47, & 137
Edmonton traded 19 to Minnesota for 21 & 89
2020: Calgary traded 19 to NYR for 22 & 71
2019: Philadelphia traded 11 to Arizona for 14 & 45
2018: NONE
2017: NONE
2016: NJ traded 11 to Ottawa for 12 & 80
Philadelphia traded 18 & 79 to Winnipeg for 22 & 36
2015: NONE
2014: SJ traded 20 & 179 to Chicago for 27 & 62
2013: Detroit traded 18 to SJ for 20 & 58
Most recent trade back in the top 10 for picks:
2008: NYI traded 5 to Toronto for 7, 68, & ’09 2nd
NYI traded 7 to Nashville for 9 & 40
Most recent trade out of the top 10 for picks:
2007: StL traded 9 to SJ for 13, 44, & ‘08 3rd