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ACMR
ACM Research, Inc. Class A Common Stock
stock NASDAQ

At Close

Jul 28, 2026 3:59:55 PM EDT

72.09USD-9.854%(-7.88)1,370,982

67.00Bid 82.32Ask 15.32Spread

Pre-market

Jul 27, 2026 9:25:30 AM EDT

86.50USD+2.585%(+2.18)0

After-hours

Jul 28, 2026 4:51:30 PM EDT

72.20USD+0.153%(+0.11)110

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Jul 31, 2026 Aug 7, 2026 Aug 14, 2026 Aug 21, 2026 Aug 28, 2026 Sep 18, 2026 Nov 20, 2026 Jan 15, 2027 Feb 19, 2027 Jan 21, 2028

ITM/OTM for Jul 31, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
3	12,399	1,656	805

ACMR Jul 31, 2026 Exp. - Volume by Strike

Puts

Calls

ACMR Jul 31, 2026 Exp. - Open Interest by Strike

Puts

Calls

ACMR Jul 31, 2026 Exp. - Max Pain @ $87.00

Puts

Calls

ACMR Jul 31, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
180 C	0.10	-47.37%	40	44	07-22	ACMR260731C00180000
175 C	0	0%	0			ACMR260731C00175000
170 C	0.06	-98.48%	2	8	07-27	ACMR260731C00170000
165 C	0.06	0%	1	1	07-27	ACMR260731C00165000
160 C	0.06	-99.00%	1	8	07-27	ACMR260731C00160000
155 C	0.10	-60.00%	1	2	07-21	ACMR260731C00155000
150 C	0.06	-96.98%	1	12	07-27	ACMR260731C00150000
145 C	0.30	-80.65%	1	9	07-21	ACMR260731C00145000
140 C	0.41	+105.00%	1	30	07-27	ACMR260731C00140000
135 C	3.70	-9.54%	1	2	07-09	ACMR260731C00135000
130 C	1.05	-92.99%	10	60	07-15	ACMR260731C00130000
129 C	3.85	0%	3	0	07-02	ACMR260731C00129000
128 C	3.86	0%	3	0	07-02	ACMR260731C00128000
127 C	0.10	-89.80%	3	6	07-24	ACMR260731C00127000
126 C	5.36	0%	2	2	07-09	ACMR260731C00126000
125 C	2.00	-66.10%	1	1	07-15	ACMR260731C00125000
124 C	0	0%	0			ACMR260731C00124000
123 C	0	0%	0			ACMR260731C00123000
122 C	0	0%	0			ACMR260731C00122000
121 C	0.90	-66.17%	1	2	07-21	ACMR260731C00121000
120 C	1.30	-92.63%	1	9	07-15	ACMR260731C00120000
119 C	0	0%	0			ACMR260731C00119000
118 C	0	0%	0			ACMR260731C00118000
117 C	3.00	-63.68%	2	3	07-13	ACMR260731C00117000
116 C	1.10	-86.34%	1	2	07-22	ACMR260731C00116000
115 C	1.55	+14.81%	11	315	07-21	ACMR260731C00115000
114 C	4.03	-56.10%	1	0	07-13	ACMR260731C00114000
113 C	0	0%	0			ACMR260731C00113000
112 C	1.00	0%	1	1	07-20	ACMR260731C00112000
111 C	23.80	+105.17%	2	2	06-30	ACMR260731C00111000
110 C	0.06	-83.33%	31	1,312	07-27	ACMR260731C00110000
109 C	1.99	0%	1	1	07-21	ACMR260731C00109000
108 C	2.46	0%	5	5	07-21	ACMR260731C00108000
107 C	0	0%	0			ACMR260731C00107000
106 C	6.59	-47.28%	1	45	07-13	ACMR260731C00106000
105 C	1.80	-37.93%	33	7	07-23	ACMR260731C00105000
104 C	0.23	-55.77%	45	155	07-27	ACMR260731C00104000
103 C	13.00	-12.75%	1	7	06-25	ACMR260731C00103000
102 C	0.29	-93.70%	1	1	07-27	ACMR260731C00102000
101 C	0.30	-74.58%	2	3	07-27	ACMR260731C00101000
100 C	0.40	-66.67%	11	114	07-27	ACMR260731C00100000
99 C	3.80	-57.78%	6	80	07-16	ACMR260731C00099000
98 C	1.50	-58.33%	1	94	07-24	ACMR260731C00098000
97 C	0.20	-88.57%	1	10	07-27	ACMR260731C00097000
96 C	6.69	-7.08%	5	3	07-21	ACMR260731C00096000
95 C	0.74	-76.73%	7	10	07-27	ACMR260731C00095000
94 C	0	0%	0			ACMR260731C00094000
93 C	2.58	0%	5	5	07-24	ACMR260731C00093000
92 C	0.65	-70.59%	5	7	07-27	ACMR260731C00092000
91 C	4.30	-33.85%	1	6	07-23	ACMR260731C00091000
90 C	1.20	-59.04%	143	4,876	07-27	ACMR260731C00090000
89 C	0	0%	0			ACMR260731C00089000
88 C	1.10	-76.60%	17	22	07-27	ACMR260731C00088000
87 C	1.63	-59.05%	83	4,871	07-27	ACMR260731C00087000
86 C	2.40	0%	3	3	07-27	ACMR260731C00086000
85 C	2.60	-46.39%	32	22	07-27	ACMR260731C00085000
84 C	1.90	-70.36%	15	16	07-27	ACMR260731C00084000
83 C	3.20	0%	84	76	07-27	ACMR260731C00083000
82 C	2.73	-78.71%	2	3	07-27	ACMR260731C00082000
81 C	2.90	0%	35	35	07-27	ACMR260731C00081000
80 C	3.22	-58.56%	140	84	07-27	ACMR260731C00080000
79 C	0	0%	0			ACMR260731C00079000
78 C	37.70	0%	1	1	06-29	ACMR260731C00078000
77 C	5.00	-62.41%	6	6	07-27	ACMR260731C00077000
76 C	0	0%	0			ACMR260731C00076000
75 C	0	0%	0			ACMR260731C00075000
74 C	0	0%	0			ACMR260731C00074000
73 C	0	0%	0			ACMR260731C00073000
72 C	28.16	-8.84%	2	1	06-23	ACMR260731C00072000
71 C	0	0%	0			ACMR260731C00071000
70 C	0	0%	0			ACMR260731C00070000
69 C	0	0%	0			ACMR260731C00069000
68 C	0	0%	0			ACMR260731C00068000
67 C	0	0%	0			ACMR260731C00067000
66 C	0	0%	0			ACMR260731C00066000
65 C	0	0%	0			ACMR260731C00065000
64 C	0	0%	0			ACMR260731C00064000
63 C	0	0%	0			ACMR260731C00063000
62 C	0	0%	0			ACMR260731C00062000
61 C	0	0%	0			ACMR260731C00061000
60 C	0	0%	0			ACMR260731C00060000
59 C	0	0%	0			ACMR260731C00059000
58 C	0	0%	0			ACMR260731C00058000
57 C	0	0%	0			ACMR260731C00057000
56 C	0	0%	0			ACMR260731C00056000
55 C	30.50	-12.96%	1	2	07-17	ACMR260731C00055000
50 C	0	0%	0			ACMR260731C00050000
45 C	0	0%	0			ACMR260731C00045000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
180 P	0	0%	0			ACMR260731P00180000
175 P	57.30	0%	2	2	06-30	ACMR260731P00175000
170 P	74.50	+41.63%	1	1	07-08	ACMR260731P00170000
165 P	0	0%	0			ACMR260731P00165000
160 P	0	0%	0			ACMR260731P00160000
155 P	0	0%	0			ACMR260731P00155000
150 P	0	0%	0			ACMR260731P00150000
145 P	0	0%	0			ACMR260731P00145000
140 P	0	0%	0			ACMR260731P00140000
135 P	0	0%	0			ACMR260731P00135000
130 P	18.70	0%	1	1	06-30	ACMR260731P00130000
129 P	0	0%	0			ACMR260731P00129000
128 P	0	0%	0			ACMR260731P00128000
127 P	0	0%	0			ACMR260731P00127000
126 P	0	0%	0			ACMR260731P00126000
125 P	19.40	0%	7	7	07-01	ACMR260731P00125000
124 P	18.70	0%	4	4	07-01	ACMR260731P00124000
123 P	18.10	0%	1	1	07-01	ACMR260731P00123000
122 P	0	0%	0			ACMR260731P00122000
121 P	16.80	0%	8	8	07-01	ACMR260731P00121000
120 P	41.23	+64.26%	10	10	07-17	ACMR260731P00120000
119 P	0	0%	0			ACMR260731P00119000
118 P	15.10	0%	1	1	07-01	ACMR260731P00118000
117 P	0	0%	0			ACMR260731P00117000
116 P	28.10	+15.88%	7	9	07-23	ACMR260731P00116000
115 P	14.70	+11.87%	30	1	07-02	ACMR260731P00115000
114 P	0	0%	0			ACMR260731P00114000
113 P	21.75	+57.61%	2	2	07-13	ACMR260731P00113000
112 P	0	0%	0			ACMR260731P00112000
111 P	18.91	+2.49%	1	1	07-10	ACMR260731P00111000
110 P	24.00	+69.01%	100	101	07-07	ACMR260731P00110000
109 P	0	0%	0			ACMR260731P00109000
108 P	0	0%	0			ACMR260731P00108000
107 P	0	0%	0			ACMR260731P00107000
106 P	17.10	0%	15	15	07-13	ACMR260731P00106000
105 P	21.00	+90.91%	1	1	07-16	ACMR260731P00105000
104 P	8.48	+4.05%	4	5	07-01	ACMR260731P00104000
103 P	0	0%	0			ACMR260731P00103000
102 P	0	0%	0			ACMR260731P00102000
101 P	0	0%	0			ACMR260731P00101000
100 P	23.40	+24.80%	50	58	07-17	ACMR260731P00100000
99 P	15.99	+160.00%	1	2	07-24	ACMR260731P00099000
98 P	14.38	+5.97%	1	5	07-24	ACMR260731P00098000
97 P	15.90	+36.25%	4	6	07-16	ACMR260731P00097000
96 P	20.10	+97.06%	3	3	07-27	ACMR260731P00096000
95 P	9.03	-38.99%	20	24	07-21	ACMR260731P00095000
94 P	18.25	+100.55%	3	3	07-27	ACMR260731P00094000
93 P	8.80	0%	37	36	07-13	ACMR260731P00093000
92 P	8.40	-49.09%	2	10	07-23	ACMR260731P00092000
91 P	6.52	+40.22%	3	2	07-21	ACMR260731P00091000
90 P	6.00	-41.29%	1	582	07-22	ACMR260731P00090000
89 P	11.60	+110.91%	1	2	07-27	ACMR260731P00089000
88 P	0	0%	0			ACMR260731P00088000
87 P	8.84	-7.92%	1	3	07-20	ACMR260731P00087000
86 P	5.10	+96.15%	3	4	07-24	ACMR260731P00086000
85 P	5.90	+12.81%	1	49	07-27	ACMR260731P00085000
84 P	5.20	+30.00%	2	4	07-24	ACMR260731P00084000
83 P	3.50	0.00%	1	2	07-22	ACMR260731P00083000
82 P	4.04	+15.43%	18	12	07-24	ACMR260731P00082000
81 P	3.58	+25.61%	18	4	07-24	ACMR260731P00081000
80 P	6.00	+73.41%	2	67	07-27	ACMR260731P00080000
79 P	2.95	+6.88%	1	3	07-24	ACMR260731P00079000
78 P	4.60	+15.00%	1	2	07-16	ACMR260731P00078000
77 P	2.63	+36.98%	4	6	07-02	ACMR260731P00077000
76 P	3.82	+85.44%	6	13	07-27	ACMR260731P00076000
75 P	2.98	+59.36%	617	570	07-27	ACMR260731P00075000
74 P	1.62	+12.50%	3	5	07-24	ACMR260731P00074000
73 P	2.62	+114.75%	22	9	07-27	ACMR260731P00073000
72 P	2.00	+100.00%	1	4	07-27	ACMR260731P00072000
71 P	1.73	+116.25%	2	3	07-27	ACMR260731P00071000
70 P	1.76	+81.44%	14	34	07-27	ACMR260731P00070000
69 P	1.41	+67.86%	5	5	07-27	ACMR260731P00069000
68 P	1.00	+31.58%	28	32	07-27	ACMR260731P00068000
67 P	1.36	-7.48%	1	2	07-09	ACMR260731P00067000
66 P	1.00	+100.00%	2	5	07-27	ACMR260731P00066000
65 P	0.74	+27.59%	14	40	07-27	ACMR260731P00065000
64 P	0.43	-10.42%	1	8	07-27	ACMR260731P00064000
63 P	0.60	-36.17%	26	45	07-27	ACMR260731P00063000
62 P	0.50	+11.11%	126	109	07-27	ACMR260731P00062000
61 P	0.26	-52.73%	2	3	07-27	ACMR260731P00061000
60 P	0.40	+100.00%	23	27	07-27	ACMR260731P00060000
59 P	0.88	+17.33%	2	421	07-24	ACMR260731P00059000
58 P	0.35	0%	13	13	07-20	ACMR260731P00058000
57 P	0.55	0%	21	21	07-17	ACMR260731P00057000
56 P	0.40	0%	14	15	07-27	ACMR260731P00056000
55 P	0.30	0.00%	14	16	07-27	ACMR260731P00055000
50 P	0	0%	0			ACMR260731P00050000
45 P	0.06	0%	1	2	07-27	ACMR260731P00045000

.dark-mode .YsGcMd{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .YsGcMd{ color: #333333; background-color: white; border: 2px solid #333333; }ACMRACM Research, Inc. Class A Common Stockstock NASDAQ

ACMR Jul 31, 2026 Exp. - Open Interest by Strike

ACMR Jul 31, 2026 Exp. - Max Pain @ $87.00

ACMR
ACM Research, Inc. Class A Common Stock
stock NASDAQ