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MKSI
MKS Inc. Common Stock
stock NASDAQ

Market Open

Aug 7, 2026 10:31:37 AM EDT

305.08USD+4.664%(+13.60)338,513

291.30Bid 319.69Ask 28.39Spread

Pre-market

Aug 6, 2026 9:28:30 AM EDT

290.51USD-7.215%(-22.59)0

After-hours

Aug 6, 2026 4:19:30 PM EDT

291.67USD+0.063%(+0.19)0

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027 Feb 19, 2027 May 21, 2027 Aug 20, 2027 Nov 19, 2027

ITM/OTM for Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
499	1,165	557	1,316

MKSI Sep 18, 2026 Exp. - Volume by Strike

Puts

Calls

MKSI Sep 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

MKSI Sep 18, 2026 Exp. - Max Pain @ $310.00

Puts

Calls

MKSI Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
510 C	1.85	-49.59%	1	2	08-06	MKSI260918C00510000
500 C	2.10	0%	1	1	08-06	MKSI260918C00500000
490 C	12.50	0%	35	35	07-21	MKSI260918C00490000
480 C	2.65	-50.47%	1	21	08-06	MKSI260918C00480000
470 C	0	0%	0			MKSI260918C00470000
460 C	8.60	-35.82%	28	123	08-04	MKSI260918C00460000
450 C	3.91	-48.21%	1	56	08-06	MKSI260918C00450000
440 C	8.39	0%	6	6	08-05	MKSI260918C00440000
430 C	9.77	0%	6	6	08-05	MKSI260918C00430000
420 C	6.50	0%	1	1	08-06	MKSI260918C00420000
410 C	17.00	+117.95%	52	61	08-04	MKSI260918C00410000
400 C	18.40	+46.50%	71	82	08-04	MKSI260918C00400000
390 C	15.80	-0.63%	159	234	08-05	MKSI260918C00390000
380 C	10.23	-27.34%	2	2	08-06	MKSI260918C00380000
370 C	22.00	-18.22%	35	67	08-05	MKSI260918C00370000
360 C	17.69	-24.72%	2	57	08-06	MKSI260918C00360000
350 C	31.00	+16.98%	22	98	08-04	MKSI260918C00350000
340 C	22.60	+21.90%	3	6	07-30	MKSI260918C00340000
330 C	24.09	-58.82%	1	47	07-30	MKSI260918C00330000
320 C	37.60	-2.69%	23	94	08-03	MKSI260918C00320000
310 C	30.50	-18.16%	8	166	08-06	MKSI260918C00310000
300 C	33.69	-39.11%	8	7	08-06	MKSI260918C00300000
290 C	36.60	-12.65%	4	205	08-06	MKSI260918C00290000
280 C	0	0%	0			MKSI260918C00280000
270 C	0	0%	0			MKSI260918C00270000
260 C	70.12	-11.46%	1	206	08-05	MKSI260918C00260000
250 C	61.00	+7.21%	15	62	08-06	MKSI260918C00250000
240 C	0	0%	0			MKSI260918C00240000
230 C	0	0%	0			MKSI260918C00230000
220 C	0	0%	0			MKSI260918C00220000
210 C	88.80	0%	1	1	07-30	MKSI260918C00210000
200 C	97.00	0%	1	1	07-30	MKSI260918C00200000
195 C	0	0%	0			MKSI260918C00195000
190 C	0	0%	0			MKSI260918C00190000
185 C	162.30	0%	1	1	07-24	MKSI260918C00185000
180 C	0	0%	0			MKSI260918C00180000
175 C	0	0%	0			MKSI260918C00175000
170 C	0	0%	0			MKSI260918C00170000
165 C	127.50	0%	1	1	08-06	MKSI260918C00165000
160 C	138.30	0%	15	15	08-06	MKSI260918C00160000
155 C	0	0%	0			MKSI260918C00155000
150 C	0	0%	0			MKSI260918C00150000
145 C	0	0%	0			MKSI260918C00145000
140 C	0	0%	0			MKSI260918C00140000
135 C	0	0%	0			MKSI260918C00135000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
510 P	0	0%	0			MKSI260918P00510000
500 P	0	0%	0			MKSI260918P00500000
490 P	0	0%	0			MKSI260918P00490000
480 P	0	0%	0			MKSI260918P00480000
470 P	0	0%	0			MKSI260918P00470000
460 P	142.00	-18.16%	52	9	08-04	MKSI260918P00460000
450 P	161.50	+27.67%	1	45	08-06	MKSI260918P00450000
440 P	0	0%	0			MKSI260918P00440000
430 P	0	0%	0			MKSI260918P00430000
420 P	0	0%	0			MKSI260918P00420000
410 P	0	0%	0			MKSI260918P00410000
400 P	85.00	0%	2	1	07-24	MKSI260918P00400000
390 P	106.50	-17.38%	1	50	08-06	MKSI260918P00390000
380 P	113.50	0%	89	89	07-29	MKSI260918P00380000
370 P	64.60	0%	8	8	07-23	MKSI260918P00370000
360 P	77.20	0%	2	2	07-27	MKSI260918P00360000
350 P	93.50	+74.44%	1	9	07-29	MKSI260918P00350000
340 P	61.00	0%	2	2	07-27	MKSI260918P00340000
330 P	54.30	+23.41%	2	192	08-06	MKSI260918P00330000
320 P	46.70	+13.63%	1	81	08-06	MKSI260918P00320000
310 P	40.35	-25.42%	3	69	08-03	MKSI260918P00310000
300 P	36.25	+2.92%	11	282	08-06	MKSI260918P00300000
290 P	32.30	+38.03%	141	151	07-31	MKSI260918P00290000
280 P	27.92	+26.33%	2	11	07-27	MKSI260918P00280000
270 P	19.62	+13.74%	2	83	08-06	MKSI260918P00270000
260 P	14.10	-29.15%	1	81	08-05	MKSI260918P00260000
250 P	14.11	+18.57%	1	123	08-06	MKSI260918P00250000
240 P	12.19	+28.99%	2	147	08-06	MKSI260918P00240000
230 P	8.50	+11.55%	201	344	08-06	MKSI260918P00230000
220 P	6.46	+5.90%	1	7	08-06	MKSI260918P00220000
210 P	0	0%	0			MKSI260918P00210000
200 P	2.95	-57.86%	8	59	08-06	MKSI260918P00200000
195 P	0	0%	0			MKSI260918P00195000
190 P	2.70	0%	3	3	07-23	MKSI260918P00190000
185 P	5.65	0%	10	10	07-28	MKSI260918P00185000
180 P	2.00	-60.78%	1	11	08-05	MKSI260918P00180000
175 P	2.50	0%	2	2	07-28	MKSI260918P00175000
170 P	0	0%	0			MKSI260918P00170000
165 P	2.50	0%	1	1	07-30	MKSI260918P00165000
160 P	0	0%	0			MKSI260918P00160000
155 P	1.80	0%	1	1	07-30	MKSI260918P00155000
150 P	0	0%	0			MKSI260918P00150000
145 P	0	0%	0			MKSI260918P00145000
140 P	0	0%	0			MKSI260918P00140000
135 P	0	0%	0			MKSI260918P00135000

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MKSI Sep 18, 2026 Exp. - Open Interest by Strike

MKSI Sep 18, 2026 Exp. - Max Pain @ $310.00

MKSI
MKS Inc. Common Stock
stock NASDAQ