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Prothena Corporation plc (PRTA)

NASDAQ

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8.77 +0.21 +2.45%

22/08 - Closed. Currency in USD

After Hours

8.74

-0.03

-0.34%

22:48:44 - Real-time Data

Type: Equity

Market: United States

Volume: 1,244,739
Bid/Ask: 0.00 / 0.00
Day's Range: 8.52 - 8.97

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Prothena Option Chain

Get free option data for PRTA. You'll find Call and Put Strike Prices, Last Price, Change, Volume, Implied Volatility, Theoretical and Greeks for Prothena 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 22, 2025 20:53 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
3.9	0%	5.7	8.6	0	2.50	0.05	0%	0	0.1	0
PRTA Call 2.50 Exp: Sep 19, 2025 Last: 3.9 Chg.: 0% SymbolPRTA\|20250919\|2.50C Delta0.9442 Imp Vol6.1639 Bid5.7 Gamma0.0075 Theoretical7.15 Ask8.6 Theta-0.0302 Intrinsic Value6.27 Volume0 Vega0.0027 Time Value-2.37 Open Interest2 Rho0.0009 Delta / Theta-31.2308 PRTA Put 2.50 Exp: Sep 19, 2025 Last: 0.05 Chg.: 0% SymbolPRTA\|20250919\|2.50P Delta-0.0171 Imp Vol2.5783 Bid0 Gamma0.0067 Theoretical0.05 Ask0.1 Theta-0.0047 Intrinsic Value-6.27 Volume0 Vega0.001 Time Value6.32 Open Interest43 Rho-0.0001 Delta / Theta3.6232
3.2	0%	2.55	3.9	0	5.00	0.02	0%	0	0.15	0
PRTA Call 5.00 Exp: Sep 19, 2025 Last: 3.2 Chg.: 0% SymbolPRTA\|20250919\|5.00C Delta0.94 Imp Vol1.5183 Bid2.55 Gamma0.0323 Theoretical3.9 Ask3.9 Theta-0.0084 Intrinsic Value3.77 Volume0 Vega0.0029 Time Value-0.57 Open Interest342 Rho0.0033 Delta / Theta-112.3684 PRTA Put 5.00 Exp: Sep 19, 2025 Last: 0.02 Chg.: 0% SymbolPRTA\|20250919\|5.00P Delta-0.0468 Imp Vol1.3723 Bid0 Gamma0.0294 Theoretical0.08 Ask0.15 Theta-0.0058 Intrinsic Value-3.77 Volume0 Vega0.0024 Time Value3.79 Open Interest2,948 Rho-0.0003 Delta / Theta8.1123
1.32	0%	1.55	1.75	0	7.50	0.33	-10.81%	0.3	0.35	1,129
PRTA Call 7.50 Exp: Sep 19, 2025 Last: 1.32 Chg.: 0% SymbolPRTA\|20250919\|7.50C Delta0.7697 Imp Vol0.9522 Bid1.55 Gamma0.1314 Theoretical1.65 Ask1.75 Theta-0.0132 Intrinsic Value1.27 Volume0 Vega0.0074 Time Value0.05 Open Interest2,237 Rho0.0039 Delta / Theta-58.4977 PRTA Put 7.50 Exp: Sep 19, 2025 Last: 0.33 Chg.: -10.81% SymbolPRTA\|20250919\|7.50P Delta-0.2253 Imp Vol0.9169 Bid0.3 Gamma0.1349 Theoretical0.33 Ask0.35 Theta-0.0117 Intrinsic Value-1.27 Volume1,129 Vega0.0073 Time Value1.6 Open Interest4,624 Rho-0.0016 Delta / Theta19.2722
					8.77	Price @ Aug 22, 2025 20:53 GMT
0.5	25%	0.4	0.55	10	10.00	1.99	0%	1.45	1.75	0
PRTA Call 10.00 Exp: Sep 19, 2025 Last: 0.5 Chg.: 25% SymbolPRTA\|20250919\|10.00C Delta0.3628 Imp Vol0.9556 Bid0.4 Gamma0.1616 Theoretical0.5 Ask0.55 Theta-0.0159 Intrinsic Value-1.23 Volume10 Vega0.0091 Time Value1.73 Open Interest3,483 Rho0.0021 Delta / Theta-22.8663 PRTA Put 10.00 Exp: Sep 19, 2025 Last: 1.99 Chg.: 0% SymbolPRTA\|20250919\|10.00P Delta-0.6696 Imp Vol0.8425 Bid1.45 Gamma0.1782 Theoretical1.6 Ask1.75 Theta-0.0125 Intrinsic Value1.23 Volume0 Vega0.0088 Time Value0.76 Open Interest33 Rho-0.0045 Delta / Theta53.4276
0.2	0%	0.1	0.2	101	12.50	3.9	0%	3.7	3.9	1
PRTA Call 12.50 Exp: Sep 19, 2025 Last: 0.2 Chg.: 0% SymbolPRTA\|20250919\|12.50C Delta0.1609 Imp Vol1.1078 Bid0.1 Gamma0.0907 Theoretical0.2 Ask0.2 Theta-0.0119 Intrinsic Value-3.73 Volume101 Vega0.0059 Time Value3.93 Open Interest666 Rho0.0009 Delta / Theta-13.5447 PRTA Put 12.50 Exp: Sep 19, 2025 Last: 3.9 Chg.: 0% SymbolPRTA\|20250919\|12.50P Delta-0.843 Imp Vol1.1086 Bid3.7 Gamma0.0906 Theoretical3.9 Ask3.9 Theta-0.0106 Intrinsic Value3.73 Volume1 Vega0.0058 Time Value0.17 Open Interest30 Rho-0.0056 Delta / Theta79.1584
0.1	0%	0	0.45	0	15.00	0	0%	5.8	8.1	0
PRTA Call 15.00 Exp: Sep 19, 2025 Last: 0.1 Chg.: 0% SymbolPRTA\|20250919\|15.00C Delta0.1426 Imp Vol1.5076 Bid0 Gamma0.0615 Theoretical0.23 Ask0.45 Theta-0.0149 Intrinsic Value-6.23 Volume0 Vega0.0055 Time Value6.33 Open Interest169 Rho0.0008 Delta / Theta-9.5963 PRTA Put 15.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolPRTA\|20250919\|15.00P Delta-0.7076 Imp Vol2.2566 Bid5.8 Gamma0.063 Theoretical6.95 Ask8.1 Theta-0.0325 Intrinsic Value6.23 Volume0 Vega0.0083 Time Value-6.23 Open Interest3 Rho-0.0074 Delta / Theta21.7971

Open Positions

Calls

Puts

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