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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 ChainMax PainOption ChainPrice & VolumeDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Oct 16, 2026Nov 20, 2026Dec 18, 2026Jan 15, 2027Feb 19, 2027Apr 16, 2027May 21, 2027Aug 20, 2027Nov 19, 2027

ITM/OTM for Oct 16, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
1,2024,2761,6881,830


MKSI Oct 16, 2026 Exp. - Volume by Strike
Puts
Calls

MKSI Oct 16, 2026 Exp. - Open Interest by Strike

Puts
Calls

MKSI Oct 16, 2026 Exp. - Max Pain @ $270.00

Puts
Calls


MKSI Oct 16, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
620 C1.45-74.56%1608-07MKSI261016C00620000
600 C1.81-49.72%2408-07MKSI261016C00600000
580 C00%0MKSI261016C00580000
560 C9.10-46.47%1707-20MKSI261016C00560000
540 C31.19+45.07%2406-29MKSI261016C00540000
520 C4.00-83.40%1308-06MKSI261016C00520000
500 C2.93-44.72%10116108-10MKSI261016C00500000
490 C19.30-10.65%34107-21MKSI261016C00490000
480 C11.30-50.87%11008-05MKSI261016C00480000
470 C0.10-81.82%21509-08MKSI261016C00470000
460 C4.30-81.30%38508-12MKSI261016C00460000
450 C0.08-94.59%127009-15MKSI261016C00450000
440 C26.90-7.24%38307-21MKSI261016C00440000
430 C1.12-6.67%18209-09MKSI261016C00430000
420 C2.25-93.06%28108-21MKSI261016C00420000
410 C1.18-42.44%120909-09MKSI261016C00410000
400 C0.25-52.83%118809-14MKSI261016C00400000
390 C0.10-83.33%88509-15MKSI261016C00390000
380 C0.70-89.06%142909-01MKSI261016C00380000
370 C17.94-16.56%111208-17MKSI261016C00370000
360 C1.25+47.06%44309-10MKSI261016C00360000
350 C2.56-51.24%510208-31MKSI261016C00350000
340 C2.35-62.40%318108-31MKSI261016C00340000
330 C0.65-84.52%112409-15MKSI261016C00330000
320 C1.25-75.00%258109-17MKSI261016C00320000
310 C1.30-80.12%24009-18MKSI261016C00310000
300 C2.30+64.29%217609-18MKSI261016C00300000
290 C1.85-30.97%12609-15MKSI261016C00290000
280 C4.40+13.99%361409-18MKSI261016C00280000
270 C7.60+58.33%106509-18MKSI261016C00270000
260 C11.56+60.33%1644909-18MKSI261016C00260000
250 C14.00+25.00%1630809-18MKSI261016C00250000
240 C19.04+29.44%121209-18MKSI261016C00240000
230 C15.10-37.08%3509-15MKSI261016C00230000
220 C32.50-8.45%1709-18MKSI261016C00220000
210 C110.10+36.23%4854807-27MKSI261016C00210000
200 C53.30+19.24%16409-18MKSI261016C00200000
195 C134.66-13.85%1408-04MKSI261016C00195000
190 C132.55+43.30%1106-05MKSI261016C00190000
185 C00%0MKSI261016C00185000
180 C103.250%1104-15MKSI261016C00180000
175 C153.32+16.77%1608-04MKSI261016C00175000
170 C131.30+2.66%1408-06MKSI261016C00170000
165 C135.80-26.71%2608-06MKSI261016C00165000
160 C138.310%1108-03MKSI261016C00160000
155 C140.50-18.60%1208-06MKSI261016C00155000
150 C145.500%5508-06MKSI261016C00150000
145 C122.06-25.12%1109-09MKSI261016C00145000
140 C188.90+20.93%1408-04MKSI261016C00140000
135 C189.90-21.76%5608-04MKSI261016C00135000
130 C167.60-32.28%1208-03MKSI261016C00130000
125 C104.83-39.51%20209-15MKSI261016C00125000
120 C131.10-54.95%6709-02MKSI261016C00120000
115 C00%0MKSI261016C00115000
110 C186.70+17.20%1608-03MKSI261016C00110000
Puts
StrikePriceChangeVolOILastContract Name
620 P296.300%1107-20MKSI261016P00620000
600 P308.90+11.00%1308-06MKSI261016P00600000
580 P289.10-0.03%15908-06MKSI261016P00580000
560 P00%0MKSI261016P00560000
540 P274.000%1107-29MKSI261016P00540000
520 P233.000%1107-30MKSI261016P00520000
500 P214.000%1107-30MKSI261016P00500000
490 P204.50+104.09%14907-30MKSI261016P00490000
480 P111.200%1106-25MKSI261016P00480000
470 P206.00+7.85%1207-29MKSI261016P00470000
460 P196.50+120.04%1207-29MKSI261016P00460000
450 P84.80+2.66%8306-29MKSI261016P00450000
440 P178.30+48.46%565507-29MKSI261016P00440000
430 P112.30+76.02%1907-21MKSI261016P00430000
420 P105.48+0.65%91707-23MKSI261016P00420000
410 P94.90-2.97%2907-23MKSI261016P00410000
400 P91.10+0.33%61107-21MKSI261016P00400000
390 P82.50+34.80%221307-21MKSI261016P00390000
380 P75.80+21.67%28407-21MKSI261016P00380000
370 P69.60+40.89%41007-21MKSI261016P00370000
360 P104.61+61.19%232808-31MKSI261016P00360000
350 P106.84+63.11%125309-03MKSI261016P00350000
340 P85.73+77.20%57708-31MKSI261016P00340000
330 P72.27+66.52%116409-04MKSI261016P00330000
320 P49.50+25.03%57308-19MKSI261016P00320000
310 P65.60+38.11%133209-18MKSI261016P00310000
300 P56.87+52.06%41509-02MKSI261016P00300000
290 P22.47-29.12%22808-13MKSI261016P00290000
280 P52.52+33.64%61909-15MKSI261016P00280000
270 P30.65-4.81%14509-18MKSI261016P00270000
260 P21.48-36.82%12309-18MKSI261016P00260000
250 P15.63-21.85%23009-18MKSI261016P00250000
240 P14.50-14.71%137109-17MKSI261016P00240000
230 P7.50-22.28%57264109-18MKSI261016P00230000
220 P4.50-30.23%330909-18MKSI261016P00220000
210 P5.70-17.27%24709-16MKSI261016P00210000
200 P1.70-57.50%59061509-18MKSI261016P00200000
195 P1.30-48.00%656709-09MKSI261016P00195000
190 P1.90-22.45%11009-17MKSI261016P00190000
185 P1.00-86.34%4608-31MKSI261016P00185000
180 P1.25-76.64%1308-27MKSI261016P00180000
175 P1.10-86.62%5509-15MKSI261016P00175000
170 P00%0MKSI261016P00170000
165 P00%0MKSI261016P00165000
160 P2.75+27.91%3907-24MKSI261016P00160000
155 P1.60-77.04%1106-12MKSI261016P00155000
150 P0.200.00%1509-17MKSI261016P00150000
145 P0.66-77.24%1106-17MKSI261016P00145000
140 P00%0MKSI261016P00140000
135 P1.400%1107-16MKSI261016P00135000
130 P1.20-46.19%1307-16MKSI261016P00130000
125 P00%0MKSI261016P00125000
120 P00%0MKSI261016P00120000
115 P3.800%1103-20MKSI261016P00115000
110 P1.75-12.50%2505-04MKSI261016P00110000


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