Jul 3, 2018 | New York Islanders Acquire:
 Sum: $2,500,000$2,500,000$2,250,000 Change: +$1,575,000+$1,575,000+$1,325,000 |  | Toronto Maple Leafs Acquire:
 Sum: $925,000$925,000$925,000 Change: -$1,575,000-$1,575,000-$1,325,000 |
| Feb 26, 2018 | Anaheim Ducks Acquire:
 Jason Chimera ($1,125,000 retained - 50%) · $1,125,000$1,125,000$1,250,000 Sum: $1,125,000$1,125,000$1,250,000 Change: +$487,500+$487,500+$600,000 | | New York Islanders Acquire:
Sum: $637,500$637,500$650,000 Change: -$487,500-$487,500-$600,000 |
| Feb 24, 2018 | Edmonton Oilers Acquire:
 2019 3rd round pick (NYI - #85) Sum: $0$0$0 Change: -$1,425,000-$1,425,000-$1,550,000 | | New York Islanders Acquire:
Sum: $1,425,000$1,425,000$1,550,000 Change: +$1,425,000+$1,425,000+$1,550,000 |
| Jul 1, 2017 | New York Islanders Acquire:
Sum: $0$650,000$200,000 Change: $0-$128,333+$130,000 | | Tampa Bay Lightning Acquire:
 Sum: $0$778,333$70,000 Change: $0+$128,333-$130,000 |
| Jun 24, 2017 | Calgary Flames Acquire:
 2019 conditional 4th round pick* (NYI - #116) *Conditions: If Calgary sends the Islanders a 2019 2nd round pick, Flames receive the 4th round pick in 2019. If Calgary sends a 2020 2nd round pick, Flames receive the 4th round pick in 2020 instead.
Result: Flames receive a 2019 4th round pick Sum: $3,857,143$3,857,143$4,875,000 Change: +$3,857,143+$3,857,143+$4,875,000 | | New York Islanders Acquire:
2019 conditional 2nd round pick* (CGY - #57) *Conditions: If the Flames miss the playoffs in 2018, Islanders receive a 2019 2nd round pick. If Flames make the playoffs in 2018, Islanders receive a 2020 2nd round pick instead.
Result: Flames missed the playoffs in 2018. Islanders receive a 2019 2nd round pick. Sum: $0$0$0 Change: -$3,857,143-$3,857,143$0 |
| Jun 24, 2017 | Los Angeles Kings Acquire:
 Sum: $0$0$0 Change: $0$0$0 | | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 |
| Jun 22, 2017 | Edmonton Oilers Acquire:
Sum: $2,500,000$2,500,000$3,000,000 Change: -$3,500,000-$3,500,000-$3,000,000 | | New York Islanders Acquire:
Sum: $6,000,000$6,000,000$6,000,000 Change: +$3,500,000+$3,500,000+$3,000,000 |
| Jun 21, 2017 | New York Islanders Acquire:
Expansion Draft Considerations Sum: $0$0$0 Change: -$5,833,750-$5,833,750-$6,742,500 | | Vegas Golden Knights Acquire:
 2019 2nd round pick (NYI - #54) Sum: $5,833,750$5,833,750$6,742,500 Change: +$5,833,750+$5,833,750+$6,742,500 |
| Jun 25, 2016 | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 | | Philadelphia Flyers Acquire:
 Sum: $0$0$0 Change: $0$0$0 |
| Jun 25, 2016 | Chicago Blackhawks Acquire:
 Sum: $0$0$0 Change: $0$0$0 | | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 |
| Feb 29, 2016 | Colorado Avalanche Acquire:
 Sum: $0$875,000$875,000 Change: $0+$175,000+$125,000 | | New York Islanders Acquire:
Sum: $0$700,000$750,000 Change: $0-$175,000-$125,000 |
| Feb 29, 2016 | New York Islanders Acquire:
Sum: $700,000$700,000$700,000 Change: +$700,000+$700,000+$700,000 | | Ottawa Senators Acquire:
 Sum: $0$0$0 Change: -$700,000-$700,000-$700,000 |
| Oct 4, 2014 | Boston Bruins Acquire:
 Sum: $0$0$0 Change: -$6,000,000-$6,000,000$0 | | New York Islanders Acquire:
Sum: $6,000,000$6,000,000$7,500,000 Change: +$6,000,000+$6,000,000+$7,500,000 |
| Sep 17, 2015 | New York Islanders Acquire:
Sum: $0$3,130,833$1,085,000 Change: -$3,000,000+$130,833-$3,915,000 | | Toronto Maple Leafs Acquire:
 Sum: $3,000,000$3,000,000$5,000,000 Change: +$3,000,000-$130,833+$3,915,000 |
| Jun 27, 2015 | Florida Panthers Acquire:
 Sum: $0$0$0 Change: $0$0$0 | | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 |
| Jun 26, 2015 | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 | | Tampa Bay Lightning Acquire:
Sum: $0$0$0 Change: $0$0$0 |
| Jun 26, 2015 | Edmonton Oilers Acquire:
Sum: $0$863,333$70,000 Change: $0+$863,333+$70,000 | | New York Islanders Acquire:
Sum: $0$0$0 Change: $0-$863,333-$70,000 |
| Mar 2, 2015 | Buffalo Sabres Acquire:
 *Conditions: Unknown Sum: $1,300,000$1,300,000$1,000,000 Change: -$1,100,000-$1,100,000-$1,400,000 | | New York Islanders Acquire:
Sum: $2,400,000$2,400,000$2,400,000 Change: +$1,100,000+$1,100,000+$1,400,000 |
| Mar 2, 2015 | Arizona Coyotes Acquire:
 Sum: $0$700,000$175,000 Change: $0+$150,000+$115,000 | | New York Islanders Acquire:
Sum: $0$550,000$60,000 Change: $0-$150,000-$115,000 |
| Mar 2, 2015 | New York Islanders Acquire:
Sum: $2,350,000$2,350,000$2,350,000 Change: +$2,350,000+$2,350,000+$2,350,000 | | San Jose Sharks Acquire:
 Sum: $0$0$0 Change: -$2,350,000-$2,350,000-$2,350,000 |
| Mar 2, 2015 | New York Islanders Acquire:
Sum: $0$600,000$225,000 Change: -$600,000$0-$375,000 | | Vancouver Canucks Acquire:
 Sum: $600,000$600,000$600,000 Change: +$600,000$0+$375,000 |
| Nov 25, 2014 | New York Islanders Acquire:
Sum: $0$684,166$717,500 Change: $0-$108,334+$717,500 | | Vancouver Canucks Acquire:
Sum: $0$792,500$792,500 Change: $0+$108,334+$792,500 |
| Oct 4, 2014 | Chicago Blackhawks Acquire:
Sum: $0$2,156,666$2,165,000 Change: -$2,700,000-$543,334+$2,165,000 | | New York Islanders Acquire:
Sum: $2,700,000$2,700,000$3,400,000 Change: +$2,700,000+$543,334+$3,400,000 |
| Jun 28, 2014 | Florida Panthers Acquire:
Sum: $0$0$0 Change: $0$0$0 | | New York Islanders Acquire:
Sum: $0$0$0 Change: $0$0$0 |
