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MKS Instruments Inc (MKSI)

	Symbol	Exchange	Currency
	MKSI	NASDAQ	USD	Real-time
	1MKSI	Milan	EUR	Real-time

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217.06 -5.94 -2.66%

24/01 - Closed. Currency in USD

After Hours

217.05

-0.01

-0.00%

8:27:54 - Real-time Data

Type: Equity

Market: United States

Volume: 1,317,822
Bid/Ask: 0.00 / 0.00
Day's Range: 214.08 - 223.00

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MKS Instruments Option Chain

Get free option data for MKSI. You'll find Call and Put Strike Prices, Last Price, Change, Volume, Implied Volatility, Theoretical and Greeks for MKS Instruments options for the expiration dates selected. Below this information you can also find an open interest chart for the stock's options.

Expiration Date:

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Strike Price:

Quotes Analysis

Jan 23, 2026 20:13 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
109.4	0%	114.8	117.9	0	100.00	0	0%	0	2.15	0
MKSI Call 100.00 Exp: Feb 20, 2026 Last: 109.4 Chg.: 0% SymbolMKSI\|20260220\|100.00C Delta0.9866 Imp Vol1.3682 Bid114.8 Gamma0.0004 Theoretical116.35 Ask117.9 Theta-0.0563 Intrinsic Value115.61 Volume0 Vega0.0201 Time Value-6.21 Open Interest1 Rho0.074 Delta / Theta-17.5322 MKSI Put 100.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|100.00P Delta-0.0394 Imp Vol1.8544 Bid0 Gamma0.0008 Theoretical2.15 Ask2.15 Theta-0.1674 Intrinsic Value-115.61 Volume0 Vega0.0508 Time Value115.61 Open Interest0 Rho-0.0076 Delta / Theta0.2351
0	0%	109.8	113.1	0	105.00	0	0%	0	2.15	0
MKSI Call 105.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|105.00C Delta0.9838 Imp Vol1.3278 Bid109.8 Gamma0.0005 Theoretical111.45 Ask113.1 Theta-0.0639 Intrinsic Value110.61 Volume0 Vega0.0237 Time Value-110.61 Open Interest0 Rho0.0773 Delta / Theta-15.3938 MKSI Put 105.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|105.00P Delta-0.0417 Imp Vol1.7523 Bid0 Gamma0.0009 Theoretical2.15 Ask2.15 Theta-0.1658 Intrinsic Value-110.61 Volume0 Vega0.0533 Time Value110.61 Open Interest0 Rho-0.0079 Delta / Theta0.2517
0	0%	104.6	108	0	110.00	0	0%	0	2.15	0
MKSI Call 110.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|110.00C Delta0.987 Imp Vol1.177 Bid104.6 Gamma0.0005 Theoretical106.3 Ask108 Theta-0.0493 Intrinsic Value105.61 Volume0 Vega0.0196 Time Value-105.61 Open Interest0 Rho0.0818 Delta / Theta-20.0014 MKSI Put 110.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|110.00P Delta-0.0442 Imp Vol1.6549 Bid0 Gamma0.0009 Theoretical2.15 Ask2.15 Theta-0.1641 Intrinsic Value-105.61 Volume0 Vega0.0558 Time Value105.61 Open Interest0 Rho-0.0083 Delta / Theta0.2696
					215.61	Price @ Jan 23, 2026 20:13 GMT
13.5	-19.88%	12	13.6	3	220.00	15.85	28.86%	14.6	17.3	12
MKSI Call 220.00 Exp: Feb 20, 2026 Last: 13.5 Chg.: -19.88% SymbolMKSI\|20260220\|220.00C Delta0.4962 Imp Vol0.6373 Bid12 Gamma0.0105 Theoretical13.5 Ask13.6 Theta-0.2793 Intrinsic Value-4.39 Volume3 Vega0.2383 Time Value17.89 Open Interest193 Rho0.0718 Delta / Theta-1.7766 MKSI Put 220.00 Exp: Feb 20, 2026 Last: 15.85 Chg.: 28.86% SymbolMKSI\|20260220\|220.00P Delta-0.5125 Imp Vol0.5771 Bid14.6 Gamma0.0116 Theoretical15.85 Ask17.3 Theta-0.2358 Intrinsic Value4.39 Volume12 Vega0.2381 Time Value11.46 Open Interest5 Rho-0.0822 Delta / Theta2.1739
9.1	-29.73%	8.3	10.8	11	230.00	0	0%	21.1	23.7	0
MKSI Call 230.00 Exp: Feb 20, 2026 Last: 9.1 Chg.: -29.73% SymbolMKSI\|20260220\|230.00C Delta0.3894 Imp Vol0.6097 Bid8.3 Gamma0.0105 Theoretical9.1 Ask10.8 Theta-0.2559 Intrinsic Value-14.39 Volume11 Vega0.2291 Time Value23.49 Open Interest745 Rho0.0575 Delta / Theta-1.5214 MKSI Put 230.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|230.00P Delta-0.6187 Imp Vol0.5888 Bid21.1 Gamma0.0109 Theoretical22.4 Ask23.7 Theta-0.2279 Intrinsic Value14.39 Volume0 Vega0.2274 Time Value-14.39 Open Interest0 Rho-0.0963 Delta / Theta2.7155
8.4	0%	5.7	8.4	0	240.00	0	0%	28	30.7	0
MKSI Call 240.00 Exp: Feb 20, 2026 Last: 8.4 Chg.: 0% SymbolMKSI\|20260220\|240.00C Delta0.3111 Imp Vol0.6465 Bid5.7 Gamma0.0091 Theoretical7.05 Ask8.4 Theta-0.2489 Intrinsic Value-24.39 Volume0 Vega0.2111 Time Value32.79 Open Interest21 Rho0.0461 Delta / Theta-1.2498 MKSI Put 240.00 Exp: Feb 20, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260220\|240.00P Delta-0.7202 Imp Vol0.575 Bid28 Gamma0.0099 Theoretical29.35 Ask30.7 Theta-0.1933 Intrinsic Value24.39 Volume0 Vega0.2007 Time Value-24.39 Open Interest0 Rho-0.1083 Delta / Theta3.7255

Open Positions

Calls

Puts

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Recent Quotes

	Name	Price	Chg.	Chg. %
	MKSI	217.06	-5.94	-2.66%

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