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Arq, Inc. (ARQ) Stock Price History

Historical prices from 2011 to 2026

Current Price

$2.59

+0.28 (+12.12%)

All-Time High

$29.17

Dec 2, 2013

-91.1% from ATH

All-Time Low

$1.02

Oct 28, 2009

Avg Volume (50D)

959K

Daily average

52-Week Range$1.54 — $7.89

LowCurrent: $2.59High

Loading 10-year price history...

ARQ Historical Performance

1 YearTotal Return

-29.8%

Price: -29.8%

3 YearsTotal Return

+32.1%

CAGR: +9.7%

Price: +32.1%

5 YearsTotal Return

-44.7%

CAGR: -11.2%

Price: -44.7%

YTD

-22.2%

Short-Term Returns

1D+12.1%

1W+14.1%

1M+8.4%

3M-31.1%

6M-32.7%

ARQ Stock Price Trajectory (2011–2026)

As of May 8, 2026, Arq, Inc. (ARQ) trades at $2.59, representing a -29.8% return over the past year. The stock has delivered a -44.7% total return over five years (-11.2% CAGR), reflecting challenging market conditions.

The stock reached its all-time high of $29.17 on December 2, 2013. From this peak, ARQ has corrected -91.1%, currently trading 43% below its 200-day moving average, suggesting potential weakness.

When compared to Industrials sector peers CECO (+220.1% 1Y), MERC (-67.1% 1Y), and CLNE (+44.4% 1Y), ARQ has underperformed the peer group average. Compare ARQ vs CECO →

ARQ Historical Price Data (2025–2026)

Showing 30 of 3,650 records

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Date	Open	High	Low	Close	Volume	Change %
2026-05-07	2.31	2.69	2.31	2.59	668K	+12.12%
2026-05-06	2.35	2.39	2.24	2.31	501K	-2.53%
2026-05-05	2.46	2.50	2.31	2.37	149K	-3.27%
2026-05-04	2.27	2.46	2.27	2.45	267K	+6.99%
2026-05-01	2.26	2.33	2.26	2.29	244K	+0.88%
2026-04-30	2.20	2.31	2.15	2.27	331K	+1.79%
2026-04-29	2.24	2.27	2.19	2.23	150K	-1.76%
2026-04-28	2.27	2.33	2.22	2.27	209K	-0.44%
2026-04-27	2.29	2.31	2.27	2.28	178K	-0.44%
2026-04-24	2.28	2.35	2.26	2.29	205K	-0.43%
2026-04-23	2.21	2.30	2.20	2.30	233K	+3.14%
2026-04-22	2.23	2.26	2.21	2.23	257K	+0.45%
2026-04-21	2.25	2.27	2.19	2.22	235K	-0.89%
2026-04-20	2.19	2.27	2.17	2.24	205K	+0.45%
2026-04-17	2.28	2.32	2.21	2.23	458K	-1.76%
2026-04-16	2.40	2.40	2.26	2.27	414K	-3.81%
2026-04-15	2.28	2.38	2.25	2.36	376K	+5.36%
2026-04-14	2.14	2.25	2.10	2.24	621K	+5.66%
2026-04-13	2.14	2.17	2.10	2.12	432K	-2.30%
2026-04-10	2.13	2.19	2.11	2.17	457K	+1.88%
2026-04-09	2.27	2.32	2.10	2.13	668K	-6.99%
2026-04-08	2.49	2.50	2.29	2.29	351K	-4.18%
2026-04-07	2.43	2.48	2.33	2.39	291K	-3.24%
2026-04-06	2.47	2.54	2.46	2.47	365K	0.00%
2026-04-02	2.33	2.48	2.26	2.47	1.00M	+4.66%
2026-04-01	2.58	2.58	2.32	2.36	619K	-7.81%
2026-03-31	2.51	2.60	2.43	2.56	496K	+2.81%
2026-03-30	2.46	2.56	2.42	2.49	411K	-1.97%
2026-03-27	2.48	2.61	2.37	2.54	543K	+1.60%
2026-03-26	2.50	2.73	2.49	2.50	976K	0.00%

ARQ — Frequently Asked Questions

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

How has ARQ stock performed recently?

ARQ declined -29.8% over the past year, below its 5-year annualized CAGR of -11.2%. The stock trades below its 200-day moving average, reflecting the downtrend.

What is ARQ's all-time high price?

Arq, Inc. reached $29.17 on 2013-12-02. The 52-week high is $7.89. Current 1-year return of -29.8% places the stock further from historical peaks.

Where can I download ARQ historical price data?

This page provides ARQ daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.

ARQ Stock Price Trajectory (2011–2026)

When compared to Industrials sector peers CECO (+220.1% 1Y), MERC (-67.1% 1Y), and CLNE (+44.4% 1Y), ARQ has underperformed the peer group average. Compare ARQ vs CECO →

Date

Open

High

Low

Volume

Change %

2026-05-07

2.31

2.69

2.31

2.59

668K

+12.12%

2026-05-06

2.35

2.39

2.24

2.31

501K

-2.53%

2026-05-05

2.46

2.50

2.31

2.37

149K

-3.27%

2026-05-04

2.27

2.46

2.27

2.45

267K

+6.99%

2026-05-01

2.26

2.33

2.26

2.29

244K

+0.88%

2026-04-30

2.20

2.31

2.15

2.27

331K

+1.79%

2026-04-29

2.24

2.27

2.19

2.23

150K

-1.76%

2026-04-28

2.27

2.33

2.22

2.27

209K

-0.44%

2026-04-27

2.29

2.31

2.27

2.28

178K

-0.44%

2026-04-24

2.28

2.35

2.26

2.29

205K

-0.43%

2026-04-23

2.21

2.30

2.20

2.30

233K

+3.14%

2026-04-22

2.23

2.26

2.21

2.23

257K

+0.45%

2026-04-21

2.25

2.27

2.19

2.22

235K

-0.89%

2026-04-20

2.19

2.27

2.17

2.24

205K

+0.45%

2026-04-17

2.28

2.32

2.21

2.23

458K

-1.76%

2026-04-16

2.40

2.26

2.27

414K

-3.81%

2026-04-15

2.28

2.38

2.25

2.36

376K

+5.36%

2026-04-14

2.14

2.25

2.10

2.24

621K

+5.66%

2026-04-13

2.14

2.17

2.10

2.12

432K

-2.30%

2026-04-10

2.13

2.19

2.11

2.17

457K

+1.88%

2026-04-09

2.27

2.32

2.10

2.13

668K

-6.99%

2026-04-08

2.49

2.50

2.29

351K

-4.18%

2026-04-07

2.43

2.48

2.33

2.39

291K

-3.24%

2026-04-06

2.47

2.54

2.46

2.47

365K

0.00%

2026-04-02

2.33

2.48

2.26

2.47

1.00M

+4.66%

2026-04-01

2.58

2.32

2.36

619K

-7.81%

2026-03-31

2.51

2.60

2.43

2.56

496K

+2.81%

2026-03-30

2.46

2.56

2.42

2.49

411K

-1.97%

2026-03-27

2.48

2.61

2.37

2.54

543K

+1.60%

2026-03-26

2.50

2.73

2.49

2.50

976K

0.00%

Arq, Inc. (ARQ) Stock Price History

ARQ Historical Performance

Short-Term Returns

Download Historical Data

ARQ Stock Price Trajectory (2011–2026)

ARQ Historical Price Data (2025–2026)

See ARQ's True Return

Is ARQ Undervalued?

Compare ARQ vs SPIR

Arq, Inc. (ARQ) Stock Price History

ARQ Historical Performance

Short-Term Returns

Download Historical Data

ARQ Stock Price Trajectory (2011–2026)

ARQ Historical Price Data (2025–2026)

See ARQ's True Return

Is ARQ Undervalued?

Compare ARQ vs SPIR