OTC:AILLN | Historical Stock Price | Ameren Illinois Co

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2009-02-09 to 2026-08-28
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$67.45$88.75$116.77$153.64$202.16$266.002009-02-092026-08-28

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2021-12-31$103.25$201.170
2021-12-30$103.25$201.170
2021-12-29$103.25$201.170
2021-12-28$103.25$201.17400
2021-12-27$105.95$206.430
2021-12-23$105.95$206.430
2021-12-22$105.95$206.430
2021-12-21$105.95$206.430
2021-12-20$105.95$206.430
2021-12-17$105.95$206.430
2021-12-16$105.95$206.430
2021-12-15$105.95$206.430
2021-12-14$105.95$206.430
2021-12-13$105.95$206.430
2021-12-10$105.95$206.430
2021-12-09$105.95$206.430
2021-12-08$105.95$206.430
2021-12-07$105.95$206.430
2021-12-06$105.95$206.430
2021-12-03$105.95$206.430
2021-12-02$105.95$206.430
2021-12-01$105.95$206.430
2021-11-30$105.95$206.430
2021-11-29$105.95$206.430
2021-11-26$105.95$206.430
2021-11-24$105.95$206.430
2021-11-23$105.95$206.430
2021-11-22$105.95$206.430
2021-11-19$105.95$206.430
2021-11-18$105.95$206.430
2021-11-17$105.95$206.430
2021-11-16$105.95$206.430
2021-11-15$105.95$206.430
2021-11-12$105.95$206.430
2021-11-11$105.95$206.430
2021-11-10$105.95$206.430
2021-11-09$105.95$206.430
2021-11-08$105.95$206.430
2021-11-05$105.95$206.430
2021-11-04$105.95$206.430
2021-11-03$105.95$206.430
2021-11-02$105.95$206.430
2021-11-01$105.95$206.430
2021-10-29$105.95$206.430
2021-10-28$105.95$206.430
2021-10-27$105.95$206.430
2021-10-26$105.95$206.430
2021-10-25$105.95$206.430
2021-10-22$105.95$206.430
2021-10-21$105.95$206.430
2021-10-20$105.95$206.430
2021-10-19$105.95$206.430
2021-10-18$105.95$206.430
2021-10-15$105.95$206.430
2021-10-14$105.95$206.430
2021-10-13$105.95$206.430
2021-10-12$105.95$206.430
2021-10-11$105.95$206.430
2021-10-08$105.95$206.430
2021-10-07$105.95$206.430
2021-10-06$105.95$204.04295
2021-10-05$103.51$199.350
2021-10-04$103.51$199.350
2021-10-01$103.51$199.350
2021-09-30$103.51$199.350
2021-09-29$103.51$199.350
2021-09-28$103.51$199.35225
2021-09-27$103.80$199.90132
2021-09-24$103.10$198.560
2021-09-23$103.10$198.560
2021-09-22$103.10$198.561,522
2021-09-21$104.00$200.29200
2021-09-20$104.75$201.730
2021-09-17$104.75$201.730
2021-09-16$104.75$201.730
2021-09-15$104.75$201.730
2021-09-14$104.75$201.730
2021-09-13$104.75$201.730
2021-09-10$104.75$201.730
2021-09-09$104.75$201.73108
2021-09-08$103.50$199.330
2021-09-07$103.50$199.330
2021-09-03$103.50$199.330
2021-09-02$103.50$199.330
2021-09-01$103.50$199.330
2021-08-31$103.50$199.33100
2021-08-30$103.50$199.33150
2021-08-27$102.50$197.400
2021-08-26$102.50$197.400
2021-08-25$102.50$197.400
2021-08-24$102.50$197.400
2021-08-23$102.50$197.400
2021-08-20$102.50$197.400
2021-08-19$102.50$197.400
2021-08-18$102.50$197.400
2021-08-17$102.50$197.400
2021-08-16$102.50$197.400
2021-08-13$102.50$197.40105
2021-08-12$101.20$194.900
2021-08-11$101.20$194.900
2021-08-10$101.20$194.900
2021-08-09$101.20$194.900
2021-08-06$101.20$194.900
2021-08-05$101.20$194.900
2021-08-04$101.20$194.90225
2021-08-03$102.44$197.290
2021-08-02$102.44$197.290
2021-07-30$102.44$197.290
2021-07-29$102.44$197.290
2021-07-28$102.44$197.290
2021-07-27$102.44$197.290
2021-07-26$102.44$197.290
2021-07-23$102.44$197.290
2021-07-22$102.44$197.29370
2021-07-21$102.00$196.44100
2021-07-20$104.60$201.440
2021-07-19$104.60$201.440
2021-07-16$104.60$201.440
2021-07-15$104.60$201.440
2021-07-14$104.60$201.440
2021-07-13$104.60$201.440
2021-07-12$104.60$201.440
2021-07-09$104.60$201.440
2021-07-08$104.60$199.090
2021-07-07$104.60$199.090
2021-07-06$104.60$199.090
2021-07-02$104.60$199.090
2021-07-01$104.60$199.090
2021-06-30$104.60$199.090
2021-06-29$104.60$199.090
2021-06-28$104.60$199.090
2021-06-25$104.60$199.090
2021-06-24$104.60$199.090
2021-06-23$104.60$199.090
2021-06-22$104.60$199.090
2021-06-21$104.60$199.090
2021-06-18$104.60$199.090
2021-06-17$104.60$199.090
2021-06-16$104.60$199.09200
2021-06-15$133.10$253.330
2021-06-14$133.10$253.330
2021-06-11$133.10$253.330
2021-06-10$133.10$253.330
2021-06-09$133.10$253.330
2021-06-08$133.10$253.330
2021-06-07$133.10$253.330
2021-06-04$133.10$253.330
2021-06-03$133.10$253.330
2021-06-02$133.10$253.330
2021-06-01$133.10$253.330
2021-05-28$133.10$253.330
2021-05-27$133.10$253.330
2021-05-26$133.10$253.330
2021-05-25$133.10$253.330
2021-05-24$133.10$253.330
2021-05-21$133.10$253.330
2021-05-20$133.10$253.330
2021-05-19$133.10$253.33200
2021-05-18$105.05$199.940
2021-05-17$105.05$199.94100
2021-05-14$105.11$200.060
2021-05-13$105.11$200.060
2021-05-12$105.11$200.06150
2021-05-11$103.15$196.330
2021-05-10$103.15$196.330
2021-05-07$103.15$196.330
2021-05-06$103.15$196.330
2021-05-05$103.15$196.330
2021-05-04$103.15$196.330
2021-05-03$103.15$196.330
2021-04-30$103.15$196.330
2021-04-29$103.15$196.330
2021-04-28$103.15$196.330
2021-04-27$103.15$196.330
2021-04-26$103.15$196.330
2021-04-23$103.15$196.330
2021-04-22$103.15$196.330
2021-04-21$103.15$196.330
2021-04-20$103.15$196.330
2021-04-19$103.15$196.330
2021-04-16$103.15$196.330
2021-04-15$103.15$196.330
2021-04-14$103.15$196.330
2021-04-13$103.15$196.330
2021-04-12$103.15$196.330
2021-04-09$103.15$196.330
2021-04-08$103.15$193.990
2021-04-07$103.15$193.990
2021-04-06$103.15$193.990
2021-04-05$103.15$193.990
2021-04-01$103.15$193.99100
2021-03-31$102.52$192.810
2021-03-30$102.52$192.810
2021-03-29$102.52$192.810
2021-03-26$102.52$192.810
2021-03-25$102.52$192.810
2021-03-24$102.52$192.810
2021-03-23$102.52$192.81176
2021-03-22$103.00$193.71110
2021-03-19$102.75$193.240
2021-03-18$102.75$193.240
2021-03-17$102.75$193.240
2021-03-16$102.75$193.240
2021-03-15$102.75$193.240
2021-03-12$102.75$193.24100
2021-03-11$102.50$192.770
2021-03-10$102.50$192.77500
2021-03-09$104.25$196.060
2021-03-08$104.25$196.060
2021-03-05$104.25$196.060
2021-03-04$104.25$196.060
2021-03-03$104.25$196.060
2021-03-02$104.25$196.060
2021-03-01$104.25$196.060
2021-02-26$104.25$196.060
2021-02-25$104.25$196.060
2021-02-24$104.25$196.060
2021-02-23$104.25$196.060
2021-02-22$104.25$196.060
2021-02-19$104.25$196.060
2021-02-18$104.25$196.060
2021-02-17$104.25$196.060
2021-02-16$104.25$196.060
2021-02-12$104.25$196.060
2021-02-11$104.25$196.060
2021-02-10$104.25$196.060
2021-02-09$104.25$196.060
2021-02-08$104.25$196.060
2021-02-05$104.25$196.060
2021-02-04$104.25$196.060
2021-02-03$104.25$196.060
2021-02-02$104.25$196.060
2021-02-01$104.25$196.060
2021-01-29$104.25$196.060
2021-01-28$104.25$196.060
2021-01-27$104.25$196.060
2021-01-26$104.25$196.060
2021-01-25$104.25$196.060
2021-01-22$104.25$196.060
2021-01-21$104.25$196.060
2021-01-20$104.25$196.060
2021-01-19$104.25$196.060
2021-01-15$104.25$196.060
2021-01-14$104.25$196.060
2021-01-13$104.25$196.060
2021-01-12$104.25$196.060
2021-01-11$104.25$196.060
2021-01-08$104.25$196.060
2021-01-07$104.25$193.760
2021-01-06$104.25$193.760
2021-01-05$104.25$193.760
2021-01-04$104.25$193.760