Stock listing

NASDAQ:ACYHX American Century California High-Yield Municipal Fund - Y Class Mutual Fund

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Share price · NASDAQ:ACYHX

$9.11 USD +0.02 (+0.2%)

Close on Oct 21, 2026

Past year -5.9% · daily closes, Oct 21, 2025 – Oct 21, 2026, adjusted for splits

Day range: $9.11 – $9.11 USDOct 21, 2026
52-week range: $8.88 – $9.78 USDLowest and highest trades, Oct 22, 2025 – Oct 21, 2026

Daily closes

Last 3 months, Jul 21, 2026 – Oct 21, 2026 · NASDAQ:ACYHX · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low
Wed, Oct 21	$9.11	+0.02	+0.2%	$9.11	$9.11	$9.11
Tue, Oct 20	$9.09	-0.01	-0.1%	$9.09	$9.09	$9.09
Mon, Oct 19	$9.10	-0.01	-0.1%	$9.10	$9.10	$9.10
Fri, Oct 16	$9.11	0.00	0.0%	$9.11	$9.11	$9.11
Thu, Oct 15	$9.11	+0.09	+1.0%	$9.11	$9.11	$9.11
Wed, Oct 14	$9.02	0.00	0.0%	$9.02	$9.02	$9.02
Tue, Oct 13	$9.02	+0.06	+0.7%	$9.02	$9.02	$9.02
Mon, Oct 12	$8.96	0.00	0.0%	$8.96	$8.96	$8.96
Fri, Oct 9	$8.96	+0.06	+0.7%	$8.96	$8.96	$8.96
Thu, Oct 8	$8.90	-0.01	-0.1%	$8.90	$8.90	$8.90
Wed, Oct 7	$8.91	-0.07	-0.8%	$8.91	$8.91	$8.91
Tue, Oct 6	$8.98	-0.01	-0.1%	$8.98	$8.98	$8.98
Mon, Oct 5	$8.99	-0.02	-0.2%	$8.99	$8.99	$8.99
Fri, Oct 2	$9.01	-0.01	-0.1%	$9.01	$9.01	$9.01
Thu, Oct 1	$9.02	+0.05	+0.6%	$9.02	$9.02	$9.02
Wed, Sep 30	$8.97	+0.09	+1.0%	$8.97	$8.97	$8.97
Tue, Sep 29	$8.88	-0.03	-0.3%	$8.88	$8.88	$8.88
Mon, Sep 28	$8.91	-0.12	-1.3%	$8.91	$8.91	$8.91
Fri, Sep 25	$9.03	-0.05	-0.6%	$9.03	$9.03	$9.03
Thu, Sep 24	$9.08	-0.06	-0.7%	$9.08	$9.08	$9.08
Wed, Sep 23	$9.14	-0.09	-1.0%	$9.14	$9.14	$9.14
Tue, Sep 22	$9.23	0.00	0.0%	$9.23	$9.23	$9.23
Mon, Sep 21	$9.23	+0.01	+0.1%	$9.23	$9.23	$9.23
Fri, Sep 18	$9.22	-0.03	-0.3%	$9.22	$9.22	$9.22
Thu, Sep 17	$9.25	+0.04	+0.4%	$9.25	$9.25	$9.25
Wed, Sep 16	$9.21	-0.01	-0.1%	$9.21	$9.21	$9.21
Tue, Sep 15	$9.22	-0.04	-0.4%	$9.22	$9.22	$9.22
Mon, Sep 14	$9.26	-0.01	-0.1%	$9.26	$9.26	$9.26
Fri, Sep 11	$9.27	+0.03	+0.3%	$9.27	$9.27	$9.27
Thu, Sep 10	$9.24	-0.10	-1.1%	$9.24	$9.24	$9.24
Wed, Sep 9	$9.34	-0.05	-0.5%	$9.34	$9.34	$9.34
Tue, Sep 8	$9.39	-0.01	-0.1%	$9.39	$9.39	$9.39
Fri, Sep 4	$9.40	0.00	0.0%	$9.40	$9.40	$9.40
Thu, Sep 3	$9.40	0.00	0.0%	$9.40	$9.40	$9.40
Wed, Sep 2	$9.40	0.00	0.0%	$9.40	$9.40	$9.40
Tue, Sep 1	$9.40	-0.06	-0.6%	$9.40	$9.40	$9.40
Mon, Aug 31	$9.46	-0.03	-0.3%	$9.46	$9.46	$9.46
Fri, Aug 28	$9.49	-0.01	-0.1%	$9.49	$9.49	$9.49
Thu, Aug 27	$9.50	0.00	0.0%	$9.50	$9.50	$9.50
Wed, Aug 26	$9.50	-0.01	-0.1%	$9.50	$9.50	$9.50
Tue, Aug 25	$9.51	+0.01	+0.1%	$9.51	$9.51	$9.51
Mon, Aug 24	$9.50	0.00	0.0%	$9.50	$9.50	$9.50
Fri, Aug 21	$9.50	-0.01	-0.1%	$9.50	$9.50	$9.50
Thu, Aug 20	$9.51	-0.02	-0.2%	$9.51	$9.51	$9.51
Wed, Aug 19	$9.53	+0.03	+0.3%	$9.53	$9.53	$9.53
Tue, Aug 18	$9.50	-0.05	-0.5%	$9.50	$9.50	$9.50
Mon, Aug 17	$9.55	-0.02	-0.2%	$9.55	$9.55	$9.55
Fri, Aug 14	$9.57	-0.03	-0.3%	$9.57	$9.57	$9.57
Thu, Aug 13	$9.60	+0.02	+0.2%	$9.60	$9.60	$9.60
Wed, Aug 12	$9.58	0.00	0.0%	$9.58	$9.58	$9.58
Tue, Aug 11	$9.58	0.00	0.0%	$9.58	$9.58	$9.58
Mon, Aug 10	$9.58	0.00	0.0%	$9.58	$9.58	$9.58
Fri, Aug 7	$9.58	+0.02	+0.2%	$9.58	$9.58	$9.58
Thu, Aug 6	$9.56	+0.01	+0.1%	$9.56	$9.56	$9.56
Wed, Aug 5	$9.55	+0.01	+0.1%	$9.55	$9.55	$9.55
Tue, Aug 4	$9.54	+0.02	+0.2%	$9.54	$9.54	$9.54
Mon, Aug 3	$9.52	0.00	0.0%	$9.52	$9.52	$9.52
Fri, Jul 31	$9.52	-0.01	-0.1%	$9.52	$9.52	$9.52
Thu, Jul 30	$9.53	-0.04	-0.4%	$9.53	$9.53	$9.53
Wed, Jul 29	$9.57	-0.01	-0.1%	$9.57	$9.57	$9.57
Tue, Jul 28	$9.58	+0.02	+0.2%	$9.58	$9.58	$9.58
Mon, Jul 27	$9.56	+0.02	+0.2%	$9.56	$9.56	$9.56
Fri, Jul 24	$9.54	+0.02	+0.2%	$9.54	$9.54	$9.54
Thu, Jul 23	$9.52	-0.07	-0.7%	$9.52	$9.52	$9.52
Wed, Jul 22	$9.59	-0.03	-0.3%	$9.59	$9.59	$9.59
Tue, Jul 21	$9.62	-0.02	-0.2%	$9.62	$9.62	$9.62

Ticker: NASDAQ:ACYHX
Asset type: Fund
Exchange: NASDAQ
Currency: USD

American Century California High-Yield Municipal Fund - Y Class on 6ix

What it is: Mutual fund