Draymond Green has the highest plus/minus in a season, at +1070 in 2015-16.

nba best plus minus in a season in history

Interpreted as:

NBA best plus minus by a player in a season in history

NAME	+/-	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Draymond Green	+1070	2015-16	GSW	81	34.7	14.0	9.5	7.4	1.5	1.4	3.2	5.0	10.1	49.0	1.2	3.2	38.8	2.8	4.1	69.6	2,808	1,131	769	598	119	113	259	240
Stephen Curry	+1022	2015-16	GSW	79	34.2	30.1	5.4	6.7	2.1	0.2	3.3	10.2	20.2	50.4	5.1	11.2	45.4	4.6	5.1	90.8	2,700	2,375	430	527	169	15	262	161
Stephen Curry	+1015	2016-17	GSW	79	33.4	25.3	4.5	6.6	1.8	0.2	3.0	8.5	18.3	46.8	4.1	10.0	41.1	4.1	4.6	89.8	2,639	1,999	353	524	142	17	239	183
Stephen Curry	+920	2014-15	GSW	80	32.7	23.8	4.3	7.7	2.0	0.2	3.1	8.2	16.8	48.7	3.6	8.1	44.3	3.9	4.2	91.4	2,613	1,900	341	619	163	16	249	158
LeBron James	+870	2008-09	CLE	81	37.7	28.4	7.6	7.2	1.7	1.1	3.0	9.7	19.9	48.9	1.6	4.7	34.4	7.3	9.4	78.0	3,054	2,304	613	587	137	93	241	139
Draymond Green	+839	2014-15	GSW	79	31.5	11.7	8.2	3.7	1.6	1.3	1.7	4.3	9.7	44.3	1.4	4.2	33.7	1.7	2.5	66.0	2,490	921	647	291	123	99	133	253
Klay Thompson	+836	2015-16	GSW	80	33.3	22.1	3.8	2.1	0.8	0.6	1.7	8.1	17.3	47.0	3.5	8.1	42.5	2.4	2.8	87.3	2,666	1,771	306	166	60	49	138	152
Draymond Green	+820	2016-17	GSW	76	32.5	10.2	7.9	7.0	2.0	1.4	2.4	3.6	8.6	41.8	1.1	3.5	30.8	2.0	2.8	70.9	2,471	776	599	533	154	106	184	217
Michael Jordan	+818	1996-97	CHI	82	37.9	29.6	5.9	4.3	1.7	0.5	2.0	11.2	23.1	48.6	1.4	3.6	37.4	5.9	7.0	83.3	3,106	2,431	482	352	140	44	166	156
Scottie Pippen	+807	1996-97	CHI	82	37.7	20.2	6.5	5.7	1.9	0.5	2.6	7.9	16.7	47.4	1.9	5.2	36.8	2.5	3.5	70.1	3,095	1,656	531	467	154	45	214	213
Klay Thompson	+801	2016-17	GSW	78	34.0	22.3	3.7	2.1	0.8	0.5	1.6	8.3	17.6	46.8	3.4	8.3	41.4	2.4	2.8	85.3	2,649	1,742	285	160	66	40	128	139
Paul Pierce	+785	2007-08	BOS	80	35.9	19.6	5.1	4.5	1.3	0.5	2.8	6.4	13.7	46.4	1.8	4.6	39.2	5.1	6.1	84.3	2,874	1,570	411	363	101	36	221	200
Dirk Nowitzki	+778	2002-03	DAL	80	39.0	25.1	9.9	3.0	1.4	1.0	1.9	8.6	18.6	46.3	1.9	4.9	37.9	6.0	6.9	88.1	3,117	2,011	791	239	111	82	152	206
Klay Thompson	+776	2014-15	GSW	77	31.9	21.7	3.2	2.9	1.1	0.8	1.9	7.8	16.9	46.3	3.1	7.1	43.9	2.9	3.3	87.9	2,455	1,668	247	222	87	60	149	122
Jeff Hornacek	+775	1996-97	UTA	82	31.6	14.5	2.9	4.4	1.5	0.3	1.6	5.0	10.4	48.2	0.9	2.4	36.9	3.6	4.0	89.9	2,592	1,191	241	361	124	26	134	188
Karl Malone	+768	1996-97	UTA	82	36.6	27.4	9.9	4.5	1.4	0.6	2.8	10.5	19.2	55.0	0.0	0.2	0.0	6.4	8.4	75.5	2,998	2,249	809	368	113	48	233	217
Tim Duncan	+748	2006-07	SAS	80	34.1	20.0	10.6	3.4	0.8	2.4	2.8	7.7	14.1	54.6	0.0	0.1	11.1	4.5	7.1	63.7	2,726	1,599	846	273	66	190	224	203
Kevin Garnett	+736	2007-08	BOS	71	32.8	18.8	9.2	3.4	1.4	1.3	1.9	7.5	13.9	53.9	0.0	0.2	0.0	3.8	4.7	80.1	2,328	1,337	655	244	100	89	138	163
Chris Paul	+734	2014-15	LAC	82	34.8	19.1	4.6	10.2	1.9	0.2	2.3	6.9	14.3	48.5	1.7	4.3	39.8	3.5	3.9	90.0	2,857	1,564	376	838	156	15	190	203
Rudy Gobert	+728	2020-21	UTA	71	30.8	14.3	13.5	1.3	0.6	2.7	1.7	5.5	8.2	67.5	0.0	0.1	0.0	3.3	5.3	62.3	2,187	1,015	960	89	40	190	118	163
Kevin Durant	+721	2012-13	OKC	81	38.5	28.1	7.9	4.6	1.4	1.3	3.5	9.0	17.7	51.0	1.7	4.1	41.6	8.4	9.3	90.5	3,119	2,280	640	374	116	105	280	143
LeBron James	+720	2012-13	MIA	76	37.9	26.8	8.0	7.3	1.7	0.9	3.0	10.1	17.8	56.5	1.4	3.3	40.6	5.3	7.0	75.3	2,877	2,036	610	551	129	67	226	110
Kevin Durant	+711	2016-17	GSW	62	33.4	25.1	8.3	4.8	1.1	1.6	2.2	8.9	16.5	53.7	1.9	5.0	37.5	5.4	6.2	87.5	2,070	1,555	513	300	66	99	138	117
Shaquille O'Neal	+706	1999-00	LAL	79	40.0	29.7	13.6	3.8	0.5	3.0	2.8	12.1	21.1	57.4	0.0	0.0	0.0	5.5	10.4	52.4	3,163	2,344	1,078	299	36	239	223	255
Lamar Odom	+694	2008-09	LAL	78	29.7	11.3	8.2	2.6	1.0	1.3	1.8	4.4	9.0	49.2	0.4	1.3	32.0	2.1	3.3	62.3	2,316	885	637	204	77	98	138	235