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MKSI
MKS Inc. Common Stock
stock NASDAQ

At Close

Sep 21, 2026 3:59:58 PM EDT

256.74USD+1.849%(+4.66)946,074

242.65Bid 269.60Ask 26.95Spread

Pre-market

Sep 21, 2026 8:47:30 AM EDT

260.93USD+3.510%(+8.85)504

After-hours

Sep 21, 2026 4:49:30 PM EDT

256.24USD-0.195%(-0.50)1,549

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

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

ITM/OTM for Nov 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
88	187	31	39

MKSI Nov 19, 2027 Exp. - Volume by Strike

Puts

Calls

MKSI Nov 19, 2027 Exp. - Open Interest by Strike

Puts

Calls

MKSI Nov 19, 2027 Exp. - Max Pain @ $210.00

Puts

Calls

MKSI Nov 19, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
620 C	31.90	-39.81%	1	10	07-28	MKSI271119C00620000
600 C	52.80	-46.67%	3	7	07-24	MKSI271119C00600000
580 C	87.73	0%	1	1	06-22	MKSI271119C00580000
560 C	53.90	0%	4	4	07-24	MKSI271119C00560000
540 C	25.50	-71.35%	17	19	08-26	MKSI271119C00540000
520 C	0	0%	0			MKSI271119C00520000
500 C	19.22	-78.25%	4	4	09-02	MKSI271119C00500000
490 C	86.90	0%	1	1	06-15	MKSI271119C00490000
480 C	0	0%	0			MKSI271119C00480000
470 C	0	0%	0			MKSI271119C00470000
460 C	0	0%	0			MKSI271119C00460000
450 C	60.00	-20.32%	1	14	08-17	MKSI271119C00450000
440 C	0	0%	0			MKSI271119C00440000
430 C	54.50	0%	2	0	05-18	MKSI271119C00430000
420 C	85.54	+20.48%	2	3	06-11	MKSI271119C00420000
410 C	0	0%	0			MKSI271119C00410000
400 C	36.60	+10.91%	1	5	09-11	MKSI271119C00400000
390 C	81.26	+9.07%	2	3	08-05	MKSI271119C00390000
380 C	33.38	-70.33%	3	3	09-02	MKSI271119C00380000
370 C	32.68	-63.01%	2	3	09-18	MKSI271119C00370000
360 C	91.83	-30.95%	1	2	08-05	MKSI271119C00360000
350 C	55.74	-44.04%	1	1	08-26	MKSI271119C00350000
340 C	89.30	-17.85%	5	2	08-03	MKSI271119C00340000
330 C	108.13	+1.65%	1	3	08-04	MKSI271119C00330000
320 C	54.34	-51.31%	2	3	09-08	MKSI271119C00320000
310 C	70.20	-39.14%	1	2	08-25	MKSI271119C00310000
300 C	62.80	-39.95%	14	18	08-28	MKSI271119C00300000
290 C	66.20	0%	1	1	08-28	MKSI271119C00290000
280 C	69.00	-58.31%	15	27	08-28	MKSI271119C00280000
270 C	60.00	-11.37%	2	20	09-03	MKSI271119C00270000
260 C	66.00	+4.76%	1	31	09-02	MKSI271119C00260000
250 C	69.34	+4.27%	1	17	09-02	MKSI271119C00250000
240 C	77.50	0%	12	12	08-28	MKSI271119C00240000
230 C	81.90	0%	4	4	08-28	MKSI271119C00230000
220 C	87.00	0%	3	3	08-31	MKSI271119C00220000
210 C	75.09	-17.30%	1	17	09-16	MKSI271119C00210000
200 C	168.00	0%	1	1	05-26	MKSI271119C00200000
195 C	0	0%	0			MKSI271119C00195000
190 C	0	0%	0			MKSI271119C00190000
185 C	0	0%	0			MKSI271119C00185000
180 C	0	0%	0			MKSI271119C00180000
175 C	212.65	-17.74%	15	15	07-02	MKSI271119C00175000
170 C	189.00	+2.18%	15	15	07-16	MKSI271119C00170000
165 C	174.42	-2.42%	2	2	07-27	MKSI271119C00165000
160 C	0	0%	0			MKSI271119C00160000
155 C	0	0%	0			MKSI271119C00155000
150 C	170.75	0%	1	1	05-18	MKSI271119C00150000
145 C	0	0%	0			MKSI271119C00145000
140 C	0	0%	0			MKSI271119C00140000
135 C	0	0%	0			MKSI271119C00135000
130 C	199.00	0%	1	1	08-03	MKSI271119C00130000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
620 P	0	0%	0			MKSI271119P00620000
600 P	0	0%	0			MKSI271119P00600000
580 P	0	0%	0			MKSI271119P00580000
560 P	0	0%	0			MKSI271119P00560000
540 P	0	0%	0			MKSI271119P00540000
520 P	0	0%	0			MKSI271119P00520000
500 P	0	0%	0			MKSI271119P00500000
490 P	0	0%	0			MKSI271119P00490000
480 P	0	0%	0			MKSI271119P00480000
470 P	0	0%	0			MKSI271119P00470000
460 P	0	0%	0			MKSI271119P00460000
450 P	0	0%	0			MKSI271119P00450000
440 P	0	0%	0			MKSI271119P00440000
430 P	0	0%	0			MKSI271119P00430000
420 P	0	0%	0			MKSI271119P00420000
410 P	0	0%	0			MKSI271119P00410000
400 P	0	0%	0			MKSI271119P00400000
390 P	0	0%	0			MKSI271119P00390000
380 P	0	0%	0			MKSI271119P00380000
370 P	0	0%	0			MKSI271119P00370000
360 P	0	0%	0			MKSI271119P00360000
350 P	0	0%	0			MKSI271119P00350000
340 P	0	0%	0			MKSI271119P00340000
330 P	0	0%	0			MKSI271119P00330000
320 P	0	0%	0			MKSI271119P00320000
310 P	97.40	0%	14	14	09-01	MKSI271119P00310000
300 P	84.30	+11.04%	1	2	08-21	MKSI271119P00300000
290 P	83.40	0%	13	13	09-01	MKSI271119P00290000
280 P	0	0%	0			MKSI271119P00280000
270 P	0	0%	0			MKSI271119P00270000
260 P	63.00	-10.00%	1	2	09-17	MKSI271119P00260000
250 P	0	0%	0			MKSI271119P00250000
240 P	50.80	0%	2	1	05-18	MKSI271119P00240000
230 P	41.51	0%	1	1	07-16	MKSI271119P00230000
220 P	36.46	-13.19%	2	11	09-08	MKSI271119P00220000
210 P	0	0%	0			MKSI271119P00210000
200 P	33.00	+50.00%	1	2	08-24	MKSI271119P00200000
195 P	0	0%	0			MKSI271119P00195000
190 P	0	0%	0			MKSI271119P00190000
185 P	0	0%	0			MKSI271119P00185000
180 P	0	0%	0			MKSI271119P00180000
175 P	0	0%	0			MKSI271119P00175000
170 P	21.00	+10.53%	5	7	09-14	MKSI271119P00170000
165 P	0	0%	0			MKSI271119P00165000
160 P	19.00	+0.32%	2	3	09-14	MKSI271119P00160000
155 P	0	0%	0			MKSI271119P00155000
150 P	14.20	0%	10	10	09-16	MKSI271119P00150000
145 P	10.85	0%	1	1	09-11	MKSI271119P00145000
140 P	11.55	-21.69%	1	1	08-12	MKSI271119P00140000
135 P	9.64	-7.75%	1	1	09-11	MKSI271119P00135000
130 P	12.50	0%	1	1	08-03	MKSI271119P00130000

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MKSI Nov 19, 2027 Exp. - Open Interest by Strike

MKSI Nov 19, 2027 Exp. - Max Pain @ $210.00

MKSI
MKS Inc. Common Stock
stock NASDAQ