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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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281.88 +0.28 +0.10%

- Closed. Currency in USD

After Hours

283.23

+1.35

+0.48%

- Real-time Data

Type: Equity

Market: United States

Volume: 1,113,251
Bid/Ask: 0.00 / 0.00
Day's Range: 274.31 - 284.54

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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 share's options.

Expiration Date:

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Strike Price:

Quotes Analysis

Aug 20, 2026 20:13 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	118.3	122.5	0	160.00	0	0%	0	2.15	0
MKSI Call 160.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|160.00C Delta0.9995 Imp Vol3.3469 Bid118.3 Gamma0 Theoretical120.42 Ask122.5 Theta-0.057 Intrinsic Value121.88 Volume0 Vega0.0003 Time Value-121.88 Open Interest0 Rho0.0044 Delta / Theta-17.5284 MKSI Put 160.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|160.00P Delta-0.0278 Imp Vol6.1115 Bid0 Gamma0.0007 Theoretical1.07 Ask2.15 Theta-2.8646 Intrinsic Value-121.88 Volume0 Vega0.0094 Time Value121.88 Open Interest0 Rho-0.0002 Delta / Theta0.0097
0	0%	113.3	117.5	0	165.00	0	0%	0	2.15	0
MKSI Call 165.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|165.00C Delta0.9995 Imp Vol3.1548 Bid113.3 Gamma0 Theoretical115.42 Ask117.5 Theta-0.0545 Intrinsic Value116.88 Volume0 Vega0.0003 Time Value-116.88 Open Interest0 Rho0.0045 Delta / Theta-18.3377 MKSI Put 165.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|165.00P Delta-0.0292 Imp Vol5.82 Bid0 Gamma0.0008 Theoretical1.07 Ask2.15 Theta-2.838 Intrinsic Value-116.88 Volume0 Vega0.0098 Time Value116.88 Open Interest0 Rho-0.0002 Delta / Theta0.0103
0	0%	108.3	112.5	0	170.00	0	0%	0	2.15	0
MKSI Call 170.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|170.00C Delta0.9995 Imp Vol2.9682 Bid108.3 Gamma0 Theoretical110.42 Ask112.5 Theta-0.052 Intrinsic Value111.88 Volume0 Vega0.0003 Time Value-111.88 Open Interest0 Rho0.0047 Delta / Theta-19.229 MKSI Put 170.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260821\|170.00P Delta-0.0306 Imp Vol5.5365 Bid0 Gamma0.0009 Theoretical1.08 Ask2.15 Theta-2.8102 Intrinsic Value-111.88 Volume0 Vega0.0102 Time Value111.88 Open Interest0 Rho-0.0002 Delta / Theta0.0109
					281.88	Price @ Aug 20, 2026 20:13 GMT
0.94	0%	0.6	1.95	1	290.00	11.3	32.16%	9.4	12.5	5
MKSI Call 290.00 Exp: Aug 21, 2026 Last: 0.94 Chg.: 0% SymbolMKSI\|20260821\|290.00C Delta0.206 Imp Vol0.7634 Bid0.6 Gamma0.0254 Theoretical1.28 Ask1.95 Theta-1.6014 Intrinsic Value-8.12 Volume1 Vega0.0418 Time Value9.06 Open Interest8 Rho0.0015 Delta / Theta-0.1286 MKSI Put 290.00 Exp: Aug 21, 2026 Last: 11.3 Chg.: 32.16% SymbolMKSI\|20260821\|290.00P Delta-0.787 Imp Vol0.7865 Bid9.4 Gamma0.0252 Theoretical10.95 Ask12.5 Theta-1.66 Intrinsic Value8.12 Volume5 Vega0.0426 Time Value3.18 Open Interest142 Rho-0.0052 Delta / Theta0.4741
0.9	-54.55%	0.05	1.9	1	300.00	15.6	0%	18.6	21.6	0
MKSI Call 300.00 Exp: Aug 21, 2026 Last: 0.9 Chg.: -54.55% SymbolMKSI\|20260821\|300.00C Delta0.1306 Imp Vol1.0329 Bid0.05 Gamma0.0139 Theoretical0.98 Ask1.9 Theta-1.6201 Intrinsic Value-18.12 Volume1 Vega0.0313 Time Value19.02 Open Interest47 Rho0.001 Delta / Theta-0.0806 MKSI Put 300.00 Exp: Aug 21, 2026 Last: 15.6 Chg.: 0% SymbolMKSI\|20260821\|300.00P Delta-0.9151 Imp Vol0.9244 Bid18.6 Gamma0.0115 Theoretical20.1 Ask21.6 Theta-1.0363 Intrinsic Value18.12 Volume0 Vega0.0228 Time Value-2.52 Open Interest492 Rho-0.0055 Delta / Theta0.883
0.46	0%	0	2.4	0	310.00	29.4	8.49%	28.6	31.4	3
MKSI Call 310.00 Exp: Aug 21, 2026 Last: 0.46 Chg.: 0% SymbolMKSI\|20260821\|310.00C Delta0.1134 Imp Vol1.5339 Bid0 Gamma0.0085 Theoretical1.2 Ask2.4 Theta-2.1658 Intrinsic Value-28.12 Volume0 Vega0.0282 Time Value28.58 Open Interest317 Rho0.0008 Delta / Theta-0.0524 MKSI Put 310.00 Exp: Aug 21, 2026 Last: 29.4 Chg.: 8.49% SymbolMKSI\|20260821\|310.00P Delta-0.9428 Imp Vol1.192 Bid28.6 Gamma0.0066 Theoretical30 Ask31.4 Theta-0.9851 Intrinsic Value28.12 Volume3 Vega0.0168 Time Value1.28 Open Interest361 Rho-0.0056 Delta / Theta0.957

Open Positions

Calls

Puts

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Recent Quotes

	Name	Price	Chg.	Chg. %
	MKSI	281.88	+0.28	+0.10%

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