Table 3 Concentration of stocks (HHI)... | Emerald Publishing

Table 3

Concentration of stocks (HHI)

	Total market				KOSPI				KOSDAQ
	Internal		External		Internal		External		Internal		External
Year	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy
2005	411	978	216	231	426	978	251	271	2,843		233	170
2006	344	268	174	175	345	273	200	199	6,482	9,965	254	310
2007	205	243	120	128	207	246	135	144	3,545	4,858	343	319
2008	198	351	141	152	199	357	154	166	4,541	3,411	512	592
2009	223	192	111	105	226	201	125	120	2,418	3,665	200	189
2010	245	264	121	116	251	266	138	134	6,495	4,756	219	211
2011	186	247	124	120	189	249	138	135	4,849	3,445	271	222
2012	211	331	122	117	216	340	143	139	1,334	1,995	209	173
2013	168	203	116	126	174	205	143	153	2,638	2,637	161	138
2014	152	176	120	105	154	177	144	125	2,703	2,433	203	232
2015	126	239	95	102	128	242	119	129	1,875	3,394	181	177
2016	392	130	103	128	396	131	124	152	5,347	1,923	169	151
2017	845	211	144	110	846	214	176	133	10,000	9,400	177	155
2018	303	653	115	103	304	510	141	128	2,315	9,799	166	170
2019	154	354	135	143	154	355	176	188	10,000	4,570	145	123
2020	624	305	120	152	626	306	162	204	895	1,358	128	107
2021	1,112	227	138	75	1,112	227	182	103			122	123
2022	1,137	883	132	209	1,137	883	171	276			178	243

	Total market				KOSPI				KOSDAQ
	Internal		External		Internal		External		Internal		External
Year	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy	Sell	Buy
2005	411	978	216	231	426	978	251	271	2,843		233	170
2006	344	268	174	175	345	273	200	199	6,482	9,965	254	310
2007	205	243	120	128	207	246	135	144	3,545	4,858	343	319
2008	198	351	141	152	199	357	154	166	4,541	3,411	512	592
2009	223	192	111	105	226	201	125	120	2,418	3,665	200	189
2010	245	264	121	116	251	266	138	134	6,495	4,756	219	211
2011	186	247	124	120	189	249	138	135	4,849	3,445	271	222
2012	211	331	122	117	216	340	143	139	1,334	1,995	209	173
2013	168	203	116	126	174	205	143	153	2,638	2,637	161	138
2014	152	176	120	105	154	177	144	125	2,703	2,433	203	232
2015	126	239	95	102	128	242	119	129	1,875	3,394	181	177
2016	392	130	103	128	396	131	124	152	5,347	1,923	169	151
2017	845	211	144	110	846	214	176	133	10,000	9,400	177	155
2018	303	653	115	103	304	510	141	128	2,315	9,799	166	170
2019	154	354	135	143	154	355	176	188	10,000	4,570	145	123
2020	624	305	120	152	626	306	162	204	895	1,358	128	107
2021	1,112	227	138	75	1,112	227	182	103			122	123
2022	1,137	883	132	209	1,137	883	171	276			178	243

Source(s): Table by authors