CENX
Century Aluminum Co
stockNASDAQ

At CloseOct 16, 2026 3:59:56 PM EDT

35.03USD+2.412%(+0.83)2,251,333

Pre-marketOct 16, 2026 9:29:59 AM EDT

34.64USD+1.287%(+0.44)

After-hoursOct 16, 2026 4:49:30 PM EDT

35.08USD+0.157%(+0.05)

30.32Bid40.03Ask9.71Spread

CENX Off Exchange & Dark Pool Summary

Today’s Off Exchange & Dark Pool volume is 879,389, which is 39.02% of today’s total volume. Today’s Lit volume is 1,374,289 (60.98%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.51%, and the average Lit volume 56.49%.

CENX Volume Oct 16, 2026

Exchange	Day %	Volume	30D %
Off Exchange¹	39.02%	879,389	43.51%
Nasdaq GSM	37.05%	835,082	38.31%
NYSE Arca	6.62%	149,280	4.43%
IEX	6.45%	145,315	5.17%
Cboe BZX	4.59%	103,546	2.56%
Cboe EDGX	1.91%	43,150	2.01%
NYSE	1.14%	25,672	1.06%
MEMX	0.81%	18,157	0.62%
MIAX Pearl	0.52%	11,809	0.20%
Cboe EDGA	0.44%	9,971	0.54%
Cboe BYX	0.43%	9,661	0.45%
Nasdaq BX	0.25%	5,617	0.34%
Nasdaq PHLX	0.23%	5,104	0.22%
NYSE National	0.19%	4,320	0.20%
TXSE	0.15%	3,402	0.08%
NYSE American	0.09%	2,109	0.11%
24X National	0.05%	1,200	0.02%
CHX	0.04%	824	0.10%
LTSE	0.00%	70	0.07%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

CENX Volume by Exchange

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CENX Volume by Exchange

Price

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CENX Volume by Exchange · History

Date	Off Exchange¹	Nasdaq GSM	NYSE Arca	IEX	Cboe BZX	Cboe EDGX	NYSE	MEMX	MIAX Pearl	Cboe EDGA	Cboe BYX	Nasdaq BX	Nasdaq PHLX	NYSE National	TXSE	NYSE American	24X National	CHX	LTSE
2026-10-16	39.02	37.05	6.62	6.45	4.59	1.91	1.14	0.81	0.52	0.44	0.43	0.25	0.23	0.19	0.15	0.09	0.05	0.04	0.00
2026-10-15	66.14	20.89	3.34	4.42	1.64	1.18	0.95	0.27	0.09	0.29	0.26	0.09	0.18	0.06	0.01	0.08	0.00	0.11	0.00
2026-10-14	42.82	34.62	4.70	7.90	3.06	3.04	1.18	0.69	0.24	0.54	0.28	0.36	0.21	0.13	0.07	0.12	0.00	0.03	0.00
2026-10-13	49.14	30.87	3.94	6.45	2.22	2.29	1.03	0.59	0.26	0.96	0.58	0.43	0.41	0.33	0.12	0.23	0.00	0.15	0.01
2026-10-12	35.04	40.62	5.13	7.94	2.46	2.36	1.30	1.01	0.31	0.90	0.93	0.67	0.29	0.57	0.11	0.25	0.00	0.11	0.00
2026-10-09	43.83	30.56	3.50	11.28	2.12	2.31	1.52	0.62	0.42	0.97	0.74	0.48	0.99	0.21	0.09	0.32	0.00	0.04	0.00
2026-10-08	29.24	54.67	4.62	5.21	1.78	1.56	0.80	1.01	0.06	0.20	0.19	0.13	0.28	0.05	0.04	0.11	0.00	0.03	0.00
2026-10-07	63.80	24.42	3.28	3.57	1.47	1.20	0.59	0.36	0.06	0.26	0.26	0.23	0.16	0.06	0.08	0.04	0.15	0.01	0.00
2026-10-06	49.63	30.85	5.37	4.28	2.91	2.04	1.45	0.60	0.34	0.50	0.45	0.30	0.35	0.68	0.16	0.02	0.02	0.05	0.00
2026-10-05	43.87	37.64	4.75	4.96	2.75	1.73	1.28	0.87	0.17	0.49	0.30	0.33	0.17	0.25	0.08	0.25	0.00	0.11	0.00
2026-10-02	45.01	36.85	3.34	7.32	2.35	1.17	0.65	0.59	0.25	0.84	0.33	0.55	0.21	0.14	0.08	0.16	0.00	0.17	0.00
2026-10-01	48.41	31.08	4.87	5.54	2.99	1.65	1.69	0.87	0.20	0.46	0.45	0.40	0.23	0.40	0.04	0.29	0.01	0.40	0.03
2026-09-30	35.22	46.75	4.69	4.59	2.80	1.59	0.79	0.45	0.18	0.57	0.51	0.22	0.46	0.20	0.19	0.06	0.00	0.64	0.12
2026-09-29	34.09	45.09	4.51	7.33	2.34	2.04	1.66	0.55	0.10	0.68	0.42	0.43	0.22	0.19	0.05	0.12	0.00	0.11	0.07
2026-09-28	54.99	26.46	4.54	4.51	2.59	2.88	1.19	0.78	0.18	0.64	0.35	0.27	0.12	0.11	0.07	0.04	0.00	0.10	0.17
2026-09-25	42.76	38.00	3.84	6.65	2.41	2.36	1.22	0.71	0.11	0.39	0.59	0.18	0.24	0.06	0.08	0.14	0.00	0.10	0.17
2026-09-24	41.16	36.61	4.98	7.19	3.63	2.38	1.02	0.47	0.21	0.49	0.52	0.55	0.11	0.20	0.13	0.12	0.00	0.08	0.15
2026-09-23	35.91	41.61	7.26	4.05	3.08	3.77	1.26	0.76	0.20	0.46	0.31	0.67	0.23	0.06	0.12	0.16	0.00	0.01	0.10
2026-09-22	40.27	43.76	3.40	4.53	1.90	2.12	1.34	0.42	0.12	0.42	0.58	0.31	0.18	0.09	0.01	0.12	0.02	0.11	0.29
2026-09-21	40.95	43.94	4.15	4.02	1.89	2.05	1.02	0.63	0.18	0.28	0.39	0.12	0.07	0.12	0.06	0.07	0.00	0.05	0.02
2026-09-18	27.07	65.64	2.16	1.86	1.04	0.69	0.35	0.21	0.10	0.27	0.11	0.28	0.06	0.05	0.02	0.04	0.00	0.05	0.03
2026-09-17	46.84	32.14	6.74	3.77	3.58	2.20	1.47	0.78	0.15	0.47	0.59	0.30	0.18	0.31	0.07	0.16	0.06	0.13	0.07
2026-09-16	35.20	46.06	3.93	3.49	3.63	2.04	1.15	0.73	0.31	1.76	0.52	0.20	0.19	0.15	0.13	0.18	0.07	0.08	0.17
2026-09-15	45.61	33.38	3.50	7.66	2.87	2.88	0.81	0.85	0.25	0.47	0.96	0.24	0.19	0.09	0.06	0.04	0.00	0.01	0.15
2026-09-14	43.62	33.06	6.14	4.15	4.56	2.49	1.10	0.69	0.24	0.58	1.15	0.98	0.20	0.69	0.04	0.11	0.01	0.07	0.12

CENX Dark Pool Levels

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Level	Trades	Volume	Premium ▼

CENX Dark Pool Prints

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	Date	Time	Price	Size	Premium ▼	Side	Exchange	Conditions

CENXCentury Aluminum CostockNASDAQ

CENX Volume Oct 16, 2026

CENX Volume by Exchange

CENX Volume by Exchange

CENX Volume by Exchange · History

CENX
Century Aluminum Co
stockNASDAQ