ACM Research (ACMR) Options Chain

NASDAQ: ACMRTechnologyIndustrial Machinery/ComponentsUSD

71.37+0.57 (+0.81%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $71.37
Put/call ratio (OI): 0.34
Put/call ratio (volume): 1.66
ATM implied volatility: 78.6%
Expected move: ±$63.52
Open interest (C / P): 3.27K / 1.10K

ACMR options summary

The ACMR options chain for the January 21, 2028 expiration lists 46 call and 43 put contracts, with 468 days until expiration. Open interest stands at 3,270 calls and 1,103 puts, a put/call ratio of 0.34, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 78.6%, which implies the market expects a move of about ±$63.52 (89.0%) in ACM Research stock by expiration.

The most open interest sits at the $100.00 call (709 contracts) and the $175.00 put (236 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ACMR options chain · January 21, 2028

ACMR calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
39	8	204.0%	105.60	62.00	66.50	15.00	0.05	2.15	0.95	96.2%	4	8
0	—	—	29.48	0.00	0.00	18.00	0.30	3.00	2.26	94.8%	2	32
21	10	175.5%	102.67	58.50	62.50	20.00	0.05	2.75	1.23	84.0%	5	11
1	—	165.6%	82.78	56.50	60.50	23.00	2.35	4.10	3.48	97.5%	12	47
18	1	129.0%	64.44	51.50	56.00	25.00	0.55	3.50	2.30	78.1%	4	18
0	1	—	64.50	0.00	0.00	27.00	1.20	3.80	2.25	78.0%	1	16
0	10	—	56.99	0.00	0.00	30.00	2.00	4.50	4.20	77.3%	10	30
0	2	—	54.78	0.00	0.00	32.00	2.60	5.00	3.90	76.9%	1	4
0	2	—	58.00	0.00	0.00	35.00	3.80	5.70	4.65	76.6%	2	47
13	1	91.9%	45.16	40.00	44.70	37.00	0.00	0.00	8.00	12.5%	6	0
0	1	—	49.96	0.00	0.00	40.00	5.20	7.60	7.70	75.2%	3	9
9	1	132.5%	69.80	45.00	49.50	42.00	5.90	8.40	8.45	74.8%	1	22
126	1	89.4%	38.80	35.50	40.10	45.00	7.60	9.70	7.81	75.7%	1	44
70	1	86.9%	39.85	33.00	36.90	50.00	9.30	12.00	10.66	73.9%	2	12
281	10	124.5%	53.52	40.00	44.50	52.50	0.00	0.00	23.20	6.3%	1	0
93	1	85.2%	37.00	30.60	34.20	55.00	12.20	14.60	15.23	74.5%	1	3
31	1	84.7%	38.50	29.50	33.00	57.50	13.50	16.00	15.80	74.4%	1	26
81	1	86.3%	39.70	28.50	32.90	60.00	14.20	17.00	17.00	72.2%	6	15
141	2	85.3%	28.00	27.00	30.20	65.00	17.60	20.30	17.20	73.4%	1	99
47	10	86.2%	37.23	25.00	29.40	70.00	19.90	22.90	21.48	71.0%	4	39
ACMR $71.37
99	1	84.3%	30.90	23.60	26.60	75.00	23.30	26.70	24.81	71.9%	6	20
28	25	82.9%	29.00	22.50	25.40	77.50	—	—	—	—	—	—
148	1	83.4%	23.07	22.60	24.20	80.00	26.50	29.60	29.18	70.5%	1	61
1	1	83.7%	31.32	21.30	24.30	82.50	0.00	0.00	33.80	—	2	0
15	1	83.8%	31.30	20.60	23.80	85.00	0.00	0.00	35.10	—	9	0
20	4	83.6%	24.40	20.00	23.00	87.50	0.00	0.00	37.20	—	—	0
113	1	84.7%	22.80	19.40	23.10	90.00	0.00	0.00	38.90	—	2	0
—	—	—	—	—	—	92.50	35.60	39.10	36.50	70.8%	10	16
51	1	82.3%	21.00	18.50	20.20	95.00	0.00	0.00	44.10	—	5	0
14	1	81.7%	17.63	17.50	19.70	97.50	0.00	0.00	44.40	—	20	0
709	8	83.9%	18.50	18.10	19.50	100.00	43.40	46.60	49.73	76.4%	1	1
0	5	6.3%	30.80	0.00	0.00	105.00	45.00	48.10	44.80	68.7%	4	4
56	2	82.8%	20.80	15.00	18.10	110.00	54.30	58.50	58.10	86.6%	—	14
11	1	108.4%	64.75	22.00	25.80	115.00	0.00	0.00	59.10	—	7	0
19	1	81.8%	15.55	13.90	15.30	120.00	61.50	66.20	63.80	83.8%	—	27
34	3	83.2%	13.45	12.80	15.80	125.00	—	—	—	—	—	—
43	1	82.4%	18.70	11.70	15.00	130.00	69.50	74.00	69.50	81.7%	1	8
0	1	12.5%	24.00	0.00	0.00	135.00	—	—	—	—	—	—
16	13	106.6%	39.83	18.00	21.70	140.00	77.50	81.40	73.20	78.3%	—	9
211	1	82.3%	14.30	10.00	13.00	145.00	81.50	86.00	79.10	77.9%	11	49
14	1	82.4%	14.59	9.30	12.70	150.00	82.50	87.50	82.90	66.5%	24	51
10	3	81.8%	11.40	8.70	11.90	155.00	87.00	91.50	85.70	65.2%	—	67
108	2	82.2%	11.66	8.40	11.50	160.00	91.50	96.00	91.10	64.7%	24	24
23	1	82.7%	10.40	8.00	11.30	165.00	95.00	99.00	103.50	58.4%	—	30
47	1	82.4%	8.00	7.60	10.70	170.00	—	—	—	—	—	—
134	1	80.4%	9.12	7.20	9.20	175.00	104.00	108.00	112.40	55.7%	45	236
375	1	82.1%	8.45	7.80	8.80	180.00	109.10	112.50	116.90	55.7%	2	4

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the ACMR put/call ratio?

For the January 21, 2028 expiration, the ACMR put/call ratio based on open interest is 0.34 (1,103 puts vs 3,270 calls), and 1.66 based on today's volume. A ratio above 1 means more puts than calls.

What is ACMR's implied volatility?

At-the-money implied volatility for ACMR options expiring January 21, 2028 is about 78.6%, an annualized estimate of how much the market expects ACM Research stock to move.

How many ACMR option expiration dates are there?

ACMR has 13 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.