Stock listing

OTC:AILLP Ameren Illinois Company Stock

Home listing (OTC) of Ameren Illinois Company

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Share price · OTC:AILLP

$60.30 USD -0.24 (-0.4%)

Close on Oct 20, 2026

Past year -10.0% · daily closes, Oct 31, 2025 – Oct 20, 2026, adjusted for splits

Day range: $60.30 – $60.30 USDOct 20, 2026
Volume: 110 sharesOct 20, 2026
Market cap: $16.41B USDAt the close on Oct 20, 2026 · price × 272.2M shares outstanding

Prices by listing

Listing	Last	Change	Volume	Open	High	Low	Previous close	Price from
OTC:AILLP · Home	$60.30 USD	-0.238 (-0.4%)	110	$60.30	$60.30	$60.30	$60.54	Close on Oct 20, 2026
OTC:AILIH	$61.25 USD	+0.20 (+0.3%)	200	$61.25	$61.25	$61.25	$61.05	Close on Oct 21, 2026
OTC:AILLN	$75.00 USD	—	105	$75.00	$75.00	$75.00	—	Close on Oct 16, 2026
OTC:AILLM	$76.00 USD	0.00 (0.0%)	—	$76.00	$76.00	$76.00	$76.00	Close on Oct 21, 2026
OTC:AILLO	$65.25 USD	-1.24 (-1.9%)	100	$65.25	$65.25	$65.25	$66.49	Close on Oct 21, 2026
OTC:AILIP	$66.48 USD	0.00 (0.0%)	—	$66.48	$66.48	$66.48	$66.48	Close on Oct 21, 2026
OTC:AILIO	$66.00 USD	0.00 (0.0%)	—	$66.00	$66.00	$66.00	$66.00	Close on Oct 21, 2026
OTC:AILIM	$75.50 USD	0.00 (0.0%)	—	$75.50	$75.50	$75.50	$75.50	Close on Oct 21, 2026
OTC:AILIN	$68.00 USD	-2.35 (-3.3%)	100	$68.00	$68.00	$68.00	$70.35	Close on Oct 21, 2026

Daily closes

Last 3 months, Jul 20, 2026 – Oct 20, 2026 · OTC:AILLP · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Tue, Oct 20	$60.30	-0.238	-0.4%	$60.30	$60.30	$60.30	110
Mon, Oct 19	$60.54	+0.238	+0.4%	$60.54	$60.54	$60.54	150
Fri, Oct 16	$60.30	0.00	0.0%	$60.30	$60.30	$60.30	0
Thu, Oct 15	$60.30	-1.45	-2.3%	$60.30	$60.30	$60.30	300
Wed, Oct 14	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Tue, Oct 13	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Mon, Oct 12	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Fri, Oct 9	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Thu, Oct 8	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Wed, Oct 7	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Tue, Oct 6	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Mon, Oct 5	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Fri, Oct 2	$61.75	0.00	0.0%	$61.75	$61.75	$61.75	0
Thu, Oct 1	$61.75	-0.20	-0.3%	$61.76	$61.76	$61.75	200
Wed, Sep 30	$61.95	0.00	0.0%	$61.95	$61.95	$61.75	300
Tue, Sep 29	$61.95	-0.35	-0.6%	$61.95	$62.59	$61.75	500
Mon, Sep 28	$62.30	+0.05	+0.1%	$63.10	$63.10	$62.30	300
Thu, Sep 24	$62.25	-1.00	-1.6%	$62.95	$62.95	$62.25	200
Wed, Sep 23	$63.25	0.00	0.0%	$62.75	$63.25	$62.75	785
Thu, Sep 17	$63.25	-0.25	-0.4%	$63.25	$63.25	$63.25	106
Wed, Sep 16	$63.50	+0.50	+0.8%	$63.50	$63.50	$63.50	100
Mon, Sep 14	$63.00	+0.25	+0.4%	$62.30	$63.00	$62.00	440
Wed, Sep 2	$62.75	0.00	0.0%	$62.65	$62.75	$62.65	881
Tue, Sep 1	$62.75	0.00	0.0%	$62.75	$62.75	$62.75	175
Wed, Aug 19	$62.75	-0.15	-0.2%	$63.00	$63.00	$62.23	2,286
Thu, Aug 6	$62.90	-0.461	-0.7%	$62.90	$62.90	$62.90	200
Wed, Aug 5	$63.36	+0.861	+1.4%	$63.36	$63.36	$63.36	150
Tue, Aug 4	$62.50	-1.40	-2.2%	$64.00	$64.00	$62.50	1,013
Fri, Jul 31	$63.90	+0.10	+0.2%	$63.90	$63.95	$63.90	4,800
Wed, Jul 29	$63.80	-1.20	-1.8%	$63.80	$63.80	$63.80	600
Thu, Jul 23	$65.00	+1.20	+1.9%	$65.04	$65.04	$65.00	1,100
Tue, Jul 21	$63.80	+0.25	+0.4%	$63.60	$63.80	$63.60	300
Mon, Jul 20	$63.55	-1.45	-2.2%	$63.55	$63.55	$63.55	200

Ticker: OTC:AILLP
Asset type: Stock
Exchange: OTC
Currency: USD

Latest news

OTC Markets Group Welcomes Newly Verified OTCQB Companies – April 28

Apr 28, 2015

AILLM announced a cash dividend of 1.23 with a record date of 4/8/2013. AILLM will not be quoted ex-dividend.

May 6, 2013

AILIH announced a cash dividend of 1.02 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

AILIP announced a cash dividend of 1.05 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

AILIO announced a cash dividend of 1.065 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

AILIN announced a cash dividend of 1.105 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

AILIM announced a cash dividend of 1.175 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

AILNP announced a cash dividend of 1.9375 with a record date of 10/12/2010. The ex-date is today - 10/7/2010.

Oct 7, 2010

All Ameren Illinois Company news

Ameren Illinois Company on 6ix

News releases: 8 in all · newest Apr 28, 2015 · oldest 2010

Where Ameren Illinois Company is listed

Listing	Exchange	Country	Currency
OTC:AILLP · Home listing · This page	OTC	United States	USD
OTC:AILIH	OTC	United States	USD
OTC:AILLN	OTC	United States	USD
OTC:AILLM	OTC	United States	USD
OTC:AILLO	OTC	United States	USD
OTC:AILIP	OTC	United States	USD
OTC:AILIO	OTC	United States	USD
OTC:AILLI	OTC	United States	USD
OTC:AILIM	OTC	United States	USD
OTC:AILIN	OTC	United States	USD