Notable deals
| New Jersey Devils acquire | Date | Columbus Blue Jackets acquire | ||
|---|---|---|---|---|
 | Ryan Murray | October 8, 2020 | 2021 5th round pick |  |
| Ottawa Senators acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Matt Murray | October 7, 2020 | Jonathan Gruden |  |
| 2020 2nd round pick | ||||
| Minnesota Wild acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
 | Nick Bonino | October 7, 2020 | Luke Kunin |  |
| 2020 2nd round pick | 2020 3rd round pick | |||
| 2020 4th round pick | ||||
| Montreal Canadiens acquire | Date | Columbus Blue Jackets acquire | ||
|---|---|---|---|---|
 | Josh Anderson | October 6, 2020 | Max Domi | |
| 2020 3rd round pick | ||||
| San Jose Sharks acquire | Date | Minnesota Wild acquire | ||
|---|---|---|---|---|
 | 2022 7th round pick | October 5, 2020 | 2022 5th round pick | |
| Devan Dubnyk | ||||
| Pittsburgh Penguins acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
| Colton Sceviour | September 24, 2020 | Patric Hornqvist |  |
| Mike Matheson | ||||
| Minnesota Wild acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Marcus Johansson | September 16, 2020 | Eric Staal |  |
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Jake Allen | September 2, 2020 | 2020 3rd round pick |  |
| 2022 7th round pick | 2020 7th round pick | |||
| Pittsburgh Penguins acquire | Date | Toronto Maple Leafs acquire | ||
|---|---|---|---|---|
| Kasperi Kapanen | August 25, 2020 | 2020 1st round pick |  |
| Pontus Aberg | Evan Rodrigues | |||
| Jesper Lindgren | Filip Hallander | |||
| David Warsofsky | ||||
| Columbus Blue Jackets acquire | Date | Anaheim Ducks acquire | ||
|---|---|---|---|---|
| Devin Shore | February 24, 2020 | Sonny Milano |  |
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Jean-Gabriel Pageau | February 24, 2020 | 2020 conditional 1st round pick | |
| 2020 2nd round pick | ||||
| 2022 conditional 3rd round pick | ||||
| Comment: The 2020 1st round pick shifts to a 2021 1st round pick if the Islanders' pick is in the top three this year. The 2022 3rd round pick will only transfer to the Senators if the Islanders win the Stanley Cup this year. | ||||
| Vegas Golden Knights acquire | Date | Montreal Canadiens acquire | ||
|---|---|---|---|---|
 | Nick Cousins | February 24, 2020 | 2021 4th round pick | |
| Carolina Hurricanes acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
 | Vincent Trocheck | February 24, 2020 | Erik Haula | |
| Lucas Wallmark | ||||
| Eetu Luostarinen | ||||
| Chase Priskie | ||||
| Calgary Flames acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Erik Gustafsson | February 24, 2020 | 2020 3rd round pick |  |
| Comment: Chicago Blackhawks will receive the earlier of Calgary Flames two 3rd round picks in 2020. | ||||
| Edmonton Oilers acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
 | Andreas Athanasiou | February 24, 2020 | Sam Gagner |  |
| Ryan Kuffner | 2020 2nd round pick | |||
| 2021 2nd round pick | ||||
| Carolina Hurricanes acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Brady Skjei | February 24, 2020 | 2020 1st round pick |  |
| Comment: Carolina Hurricanes will have the option of deciding which of their own or the Toronto Maple Leafs' 1st round pick they give New York Rangers before the draft. | ||||
| Carolina Hurricanes acquire | Date | New Jersey Devils acquire | ||
|---|---|---|---|---|
| Sami Vatanen | February 24, 2020 | Janne Kuokkanen | |
| Fredrik Claesson | ||||
| 2020 conditional 4th round pick | ||||
| Comment: The conditional 4th rounder is conditioned on how many games Vatanen plays. If he hits a certain amount, then it becomes a 3rd round pick. | ||||
| Tampa Bay Lightning acquire | Date | San Jose Sharks acquire | ||
|---|---|---|---|---|
 | Barclay Goodrow | February 24, 2020 | Anthony Greco | |
| 2020 3rd round pick | 2020 1st round pick | |||
| Comment: The 3rd round pick is the Flyers pick. | ||||
| Vegas Golden Knights acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| Robin Lehner | February 24, 2020 | Malcom Subban | |
| Slava Demin | ||||
| 2020 2nd round pick | ||||
| Comment: The 2nd round pick is the Penguins pick. | ||||
| Pittsburgh Penguins acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Conor Sheary | February 24, 2020 | Dominik Kahun | |
| Evan Rodrigues | ||||