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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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273.77 -6.16 -2.20%

03:59:59 - Closed. Currency in USD

After Hours

278.55

+4.78

+1.75%

7:55:54 - Real-time Data

Type: Equity

Market: United States

Volume: 957,319
Bid/Ask: 0.00 / 0.00
Day's Range: 271.19 - 289.49

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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

Apr 21, 2026 20:13 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	140.8	145	0	130.00	0	0%	0	0.15	0
MKSI Call 130.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|130.00C Delta0.9862 Imp Vol1.425 Bid140.8 Gamma0.0003 Theoretical142.9 Ask145 Theta-0.0817 Intrinsic Value143.77 Volume0 Vega0.0242 Time Value-143.77 Open Interest0 Rho0.0825 Delta / Theta-12.0726 MKSI Put 130.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|130.00P Delta-0.003 Imp Vol1.1064 Bid0 Gamma0.0001 Theoretical0.08 Ask0.15 Theta-0.0145 Intrinsic Value-143.77 Volume0 Vega0.0063 Time Value143.77 Open Interest0 Rho-0.0005 Delta / Theta0.2045
0	0%	135.5	140	0	135.00	0	0%	0	2.15	0
MKSI Call 135.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|135.00C Delta0.9889 Imp Vol1.2875 Bid135.5 Gamma0.0003 Theoretical137.75 Ask140 Theta-0.0641 Intrinsic Value138.77 Volume0 Vega0.02 Time Value-138.77 Open Interest0 Rho0.0864 Delta / Theta-15.4339 MKSI Put 135.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|135.00P Delta-0.0233 Imp Vol1.5288 Bid0 Gamma0.0005 Theoretical1.08 Ask2.15 Theta-0.122 Intrinsic Value-138.77 Volume0 Vega0.0385 Time Value138.77 Open Interest0 Rho-0.0046 Delta / Theta0.1913
0	0%	131.5	135	0	140.00	0	0%	0	2.15	0
MKSI Call 140.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|140.00C Delta0.9788 Imp Vol1.402 Bid131.5 Gamma0.0005 Theoretical133.25 Ask135 Theta-0.1133 Intrinsic Value133.77 Volume0 Vega0.0352 Time Value-133.77 Open Interest0 Rho0.0875 Delta / Theta-8.641 MKSI Put 140.00 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolMKSI\|20260515\|140.00P Delta-0.0245 Imp Vol1.4587 Bid0 Gamma0.0006 Theoretical1.08 Ask2.15 Theta-0.1211 Intrinsic Value-133.77 Volume0 Vega0.0401 Time Value133.77 Open Interest0 Rho-0.0047 Delta / Theta0.2021
					273.77	Price @ Apr 21, 2026 20:13 GMT
19.95	0%	16.3	18.7	1	280.00	18.9	0%	21.6	24	0
MKSI Call 280.00 Exp: May 15, 2026 Last: 19.95 Chg.: 0% SymbolMKSI\|20260515\|280.00C Delta0.4827 Imp Vol0.7436 Bid16.3 Gamma0.0077 Theoretical17.5 Ask18.7 Theta-0.4407 Intrinsic Value-6.23 Volume1 Vega0.278 Time Value26.18 Open Interest20 Rho0.0749 Delta / Theta-1.0952 MKSI Put 280.00 Exp: May 15, 2026 Last: 18.9 Chg.: 0% SymbolMKSI\|20260515\|280.00P Delta-0.5282 Imp Vol0.6706 Bid21.6 Gamma0.0085 Theoretical22.8 Ask24 Theta-0.3749 Intrinsic Value6.23 Volume0 Vega0.2775 Time Value12.67 Open Interest5 Rho-0.0927 Delta / Theta1.4087
15.74	-4.02%	11.9	15	1	290.00	27.5	0%	27.7	30.3	0
MKSI Call 290.00 Exp: May 15, 2026 Last: 15.74 Chg.: -4.02% SymbolMKSI\|20260515\|290.00C Delta0.4073 Imp Vol0.7312 Bid11.9 Gamma0.0076 Theoretical13.45 Ask15 Theta-0.421 Intrinsic Value-16.23 Volume1 Vega0.2708 Time Value31.97 Open Interest4 Rho0.064 Delta / Theta-0.9674 MKSI Put 290.00 Exp: May 15, 2026 Last: 27.5 Chg.: 0% SymbolMKSI\|20260515\|290.00P Delta-0.61 Imp Vol0.6654 Bid27.7 Gamma0.0083 Theoretical29 Ask30.3 Theta-0.3563 Intrinsic Value16.23 Volume0 Vega0.2675 Time Value11.27 Open Interest1 Rho-0.1055 Delta / Theta1.712
10.5	-17.78%	9.3	12	4	300.00	32.63	6.29%	34.7	37.2	1
MKSI Call 300.00 Exp: May 15, 2026 Last: 10.5 Chg.: -17.78% SymbolMKSI\|20260515\|300.00C Delta0.34 Imp Vol0.7345 Bid9.3 Gamma0.0071 Theoretical10.5 Ask12 Theta-0.3984 Intrinsic Value-26.23 Volume4 Vega0.2556 Time Value36.73 Open Interest27 Rho0.0539 Delta / Theta-0.8533 MKSI Put 300.00 Exp: May 15, 2026 Last: 32.63 Chg.: 6.29% SymbolMKSI\|20260515\|300.00P Delta-0.686 Imp Vol0.6604 Bid34.7 Gamma0.0077 Theoretical35.95 Ask37.2 Theta-0.3242 Intrinsic Value26.23 Volume1 Vega0.2473 Time Value6.4 Open Interest8 Rho-0.1154 Delta / Theta2.1162

Open Positions

Calls

Puts

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Recent Quotes

	Name	Price	Chg.	Chg. %
	MKSI	273.77	-6.16	-2.20%

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