AC Immune S.A. (ACIU) Stock Price History

Historical prices from 2016 to 2026

$2.23+0.12 (+5.69%)close Nov 6

Returns

1M: -11.5%
3M: -3.9%
YTD: -33.6%
1Y: -35.4%
3Y: -6.1%
5Y: -21.3%

ATH$19.97Sep 2016-88.8%

ATL$1.43Apr 2025pre-split

Avg Vol (50D)193K/ day

52-Week Range$2.02 — $3.90

LowCurrent: $2.23High

Loading 10-year price history...

ACIU Historical Performance

1 YearTotal Return

-35.4%

Price: -35.4%

3 YearsTotal Return

-17.1%

CAGR: -6.1%

Price: -17.1%

5 YearsTotal Return

-69.7%

CAGR: -21.3%

Price: -69.7%

YTD

-33.6%

ACIU Annual Returns

Year-by-year price performance · 2016–2026

Best+126.2%2023

Worst-60.5%2022

Up years2/11

2016-17.1%

2017-1.6%

2018-29.2%

2019-16.6%

2020-40.3%

2021-7.0%

2022-60.5%

2023+126.2%

2024-42.4%

2025+10.2%

2026-25.6%

2016 annual price return: -17.1%
2017 annual price return: -1.6%
2018 annual price return: -29.2%
2019 annual price return: -16.6%
2020 annual price return: -40.3%
2021 annual price return: -7.0%
2022 annual price return: -60.5%
2023 annual price return: +126.2%
2024 annual price return: -42.4%
2025 annual price return: +10.2%
2026 annual price return: -25.6%

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ACIU Stock Price Trajectory (2016–2026)

As of November 8, 2026, AC Immune S.A. (ACIU) trades at $2.23, representing a -35.4% return over the past year. The stock has delivered a -69.7% total return over five years (-21.3% CAGR), reflecting challenging market conditions.

The stock reached its all-time high of $19.97 on September 28, 2016. From this peak, ACIU has corrected -88.8%, currently trading 17% below its 200-day moving average, suggesting potential weakness.

When compared to Healthcare sector peers PRAX (+61.1% 1Y), FLNA, and ANVS (-58.4% 1Y), ACIU has underperformed the peer group average. Compare ACIU vs PRAX →

ACIU Historical Price Data · from 2016

Rows 1–50 of 2,545

Date	Open	High	Low	Close	Volume	Change %
2026-11-06	2.10	2.25	2.10	2.23	180K	+5.69%
2026-11-05	2.26	2.26	2.02	2.11	302K	-7.86%
2026-11-04	2.18	2.29	2.13	2.29	325K	+9.57%
2026-11-03	2.06	2.16	2.06	2.09	134K	+1.46%
2026-11-02	2.23	2.32	2.02	2.06	471K	-7.21%
2026-10-30	2.37	2.37	2.21	2.22	105K	-6.33%
2026-10-29	2.34	2.43	2.32	2.37	105K	0.00%
2026-10-28	2.21	2.39	2.19	2.37	227K	+5.33%
2026-10-27	2.31	2.36	2.03	2.25	469K	-2.60%
2026-10-26	2.41	2.42	2.29	2.31	398K	-4.55%
2026-10-23	2.46	2.48	2.40	2.42	140K	-3.20%
2026-10-22	2.45	2.52	2.45	2.50	73K	+1.21%
2026-10-21	2.46	2.52	2.46	2.47	89K	-0.80%
2026-10-20	2.41	2.53	2.40	2.49	140K	+2.05%
2026-10-19	2.38	2.44	2.37	2.44	89K	+2.09%
2026-10-16	2.45	2.47	2.38	2.39	127K	-2.45%
2026-10-15	2.43	2.46	2.38	2.45	87K	+2.08%
2026-10-14	2.37	2.41	2.35	2.40	210K	0.00%
2026-10-13	2.43	2.44	2.39	2.40	195K	-2.04%
2026-10-12	2.50	2.50	2.42	2.45	149K	-2.00%
2026-10-09	2.55	2.59	2.48	2.50	271K	-1.96%
2026-10-08	2.57	2.61	2.50	2.55	232K	-0.78%
2026-10-07	2.52	2.59	2.50	2.57	125K	+1.98%
2026-10-06	2.72	2.72	2.51	2.52	278K	-7.01%
2026-10-05	2.68	2.75	2.65	2.71	221K	-0.73%
2026-10-02	2.84	2.88	2.69	2.73	320K	-2.85%
2026-10-01	2.64	2.84	2.57	2.81	353K	+7.25%
2026-09-30	2.63	2.75	2.61	2.62	200K	+0.77%
2026-09-29	2.65	2.66	2.56	2.60	139K	-0.38%
2026-09-28	2.52	2.62	2.40	2.61	189K	+3.57%
2026-09-25	2.66	2.66	2.45	2.52	324K	-5.26%
2026-09-24	2.85	2.85	2.66	2.66	265K	-6.01%
2026-09-23	2.90	2.91	2.67	2.83	493K	+3.66%
2026-09-22	2.69	2.75	2.66	2.73	78K	+2.63%
2026-09-21	2.63	2.72	2.57	2.66	109K	+1.14%
2026-09-18	2.69	2.81	2.63	2.63	69K	-1.87%
2026-09-17	2.71	2.74	2.66	2.68	93K	+1.13%
2026-09-16	2.68	2.73	2.61	2.65	124K	-1.12%
2026-09-15	2.65	2.70	2.59	2.68	94K	+0.75%
2026-09-14	2.69	2.75	2.66	2.66	112K	-3.62%
2026-09-11	2.70	2.78	2.68	2.76	105K	+2.60%
2026-09-10	2.74	2.77	2.68	2.69	158K	-2.54%
2026-09-09	2.78	2.81	2.73	2.76	147K	-0.72%
2026-09-08	2.82	2.85	2.77	2.78	101K	-2.80%
2026-09-04	2.91	2.94	2.82	2.86	156K	-2.39%
2026-09-03	2.85	3.00	2.85	2.93	172K	+3.17%
2026-09-02	2.70	2.87	2.70	2.84	257K	+5.97%
2026-09-01	2.62	2.68	2.58	2.68	103K	+1.52%
2026-08-31	2.67	2.74	2.61	2.64	133K	-0.38%
2026-08-28	2.73	2.77	2.65	2.65	106K	-2.21%

Consensus & Technical Research Suite

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ACIU Chart Terminal

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High-probability breakout stocks crossing their pivot across 5 pattern engines.

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Intrinsic Valuation

DCF models, multiple analysis, and analyst estimates.

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Historical Returns

10-year return with dividends reinvested.

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Peer Comparison

Compare growth, multiples, and margins vs sector.

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ACIU — Frequently Asked Questions

Quick answers to the most common questions about buying ACIU stock.

How has ACIU stock performed recently?

ACIU declined -35.4% over the past year, below its 5-year annualized CAGR of -21.3%. The stock trades below its 200-day moving average, reflecting the downtrend.

What is ACIU's all-time high price?

AC Immune S.A. reached $19.97 on 2016-09-28. The 52-week high is $3.90. Current 1-year return of -35.4% places the stock further from historical peaks.

Where can I download ACIU historical price data?

This page provides ACIU daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2016-2026, downloadable in CSV format.

ACIU Stock Price Trajectory (2016–2026)

When compared to Healthcare sector peers PRAX (+61.1% 1Y), FLNA, and ANVS (-58.4% 1Y), ACIU has underperformed the peer group average. Compare ACIU vs PRAX →

Date

Open

High

Low

Volume

Change %

2026-11-06

2.10

2.25

2.10

2.23

180K

+5.69%

2026-11-05

2.26

2.02

2.11

302K

-7.86%

2026-11-04

2.18

2.29

2.13

2.29

325K

+9.57%

2026-11-03

2.06

2.16

2.06

2.09

134K

+1.46%

2026-11-02

2.23

2.32

2.02

2.06

471K

-7.21%

2026-10-30

2.37

2.21

2.22

105K

-6.33%

2026-10-29

2.34

2.43

2.32

2.37

105K

0.00%

2026-10-28

2.21

2.39

2.19

2.37

227K

+5.33%

2026-10-27

2.31

2.36

2.03

2.25

469K

-2.60%

2026-10-26

2.41

2.42

2.29

2.31

398K

-4.55%

2026-10-23

2.46

2.48

2.40

2.42

140K

-3.20%

2026-10-22

2.45

2.52

2.45

2.50

73K

+1.21%

2026-10-21

2.46

2.52

2.46

2.47

89K

-0.80%

2026-10-20

2.41

2.53

2.40

2.49

140K

+2.05%

2026-10-19

2.38

2.44

2.37

2.44

89K

+2.09%

2026-10-16

2.45

2.47

2.38

2.39

127K

-2.45%

2026-10-15

2.43

2.46

2.38

2.45

87K

+2.08%

2026-10-14

2.37

2.41

2.35

2.40

210K

0.00%

2026-10-13

2.43

2.44

2.39

2.40

195K

-2.04%

2026-10-12

2.50

2.42

2.45

149K

-2.00%

2026-10-09

2.55

2.59

2.48

2.50

271K

-1.96%

2026-10-08

2.57

2.61

2.50

2.55

232K

-0.78%

2026-10-07

2.52

2.59

2.50

2.57

125K

+1.98%

2026-10-06

2.72

2.51

2.52

278K

-7.01%

2026-10-05

2.68

2.75

2.65

2.71

221K

-0.73%

2026-10-02

2.84

2.88

2.69

2.73

320K

-2.85%

2026-10-01

2.64

2.84

2.57

2.81

353K

+7.25%

2026-09-30

2.63

2.75

2.61

2.62

200K

+0.77%

2026-09-29

2.65

2.66

2.56

2.60

139K

-0.38%

2026-09-28

2.52

2.62

2.40

2.61

189K

+3.57%

2026-09-25

2.66

2.45

2.52

324K

-5.26%

2026-09-24

2.85

2.66

265K

-6.01%

2026-09-23

2.90

2.91

2.67

2.83

493K

+3.66%

2026-09-22

2.69

2.75

2.66

2.73

78K

+2.63%

2026-09-21

2.63

2.72

2.57

2.66

109K

+1.14%

2026-09-18

2.69

2.81

2.63

69K

-1.87%

2026-09-17

2.71

2.74

2.66

2.68

93K

+1.13%

2026-09-16

2.68

2.73

2.61

2.65

124K

-1.12%

2026-09-15

2.65

2.70

2.59

2.68

94K

+0.75%

2026-09-14

2.69

2.75

2.66

112K

-3.62%

2026-09-11

2.70

2.78

2.68

2.76

105K

+2.60%

2026-09-10

2.74

2.77

2.68

2.69

158K

-2.54%

2026-09-09

2.78

2.81

2.73

2.76

147K

-0.72%

2026-09-08

2.82

2.85

2.77

2.78

101K

-2.80%

2026-09-04

2.91

2.94

2.82

2.86

156K

-2.39%

2026-09-03

2.85

3.00

2.85

2.93

172K

+3.17%

2026-09-02

2.70

2.87

2.70

2.84

257K

+5.97%

2026-09-01

2.62

2.68

2.58

2.68

103K

+1.52%

2026-08-31

2.67

2.74

2.61

2.64

133K

-0.38%

2026-08-28

2.73

2.77

2.65

106K

-2.21%

AC Immune S.A. (ACIU) Stock Price History

ACIU Historical Performance

ACIU Annual Returns

Download Historical Data

ACIU Stock Price Trajectory (2016–2026)

ACIU Historical Price Data · from 2016

ACIU Chart Terminal

Live Breakouts Feed

Intrinsic Valuation

Historical Returns

Peer Comparison

AC Immune S.A. (ACIU) Stock Price History

ACIU Historical Performance

ACIU Annual Returns

Download Historical Data

ACIU Stock Price Trajectory (2016–2026)

ACIU Historical Price Data · from 2016

ACIU Chart Terminal

Live Breakouts Feed

Intrinsic Valuation

Historical Returns

Peer Comparison