Prothena (PRTA) Options Chain & Prices $8.54 +0.22 (+2.58%) As of 12:49 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock PRTA Put and Call Options List 1/21/2028 3/19/2027 1/15/2027 12/18/2026 9/18/2026 8/21/2026 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades8/21/2026$9.00$0.187Call44 - 1611(+5)55.25% (-2.26%)0.3065852End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Maravai LifeSciences Options Syndax Pharmaceuticals Options Immunocore Options Bausch Health Cos Options Sarepta Therapeutics Options AnaptysBio Options AbCellera Biologics Options Recursion Pharmaceuticals Options Taysha Gene Therapies Options Phibro Animal Health Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:PRTA) was last updated on 8/4/2026 by MarketBeat.com Staff. From Our Partners7 Bankers Met in Secret (Now We Pay for It)A little-known meeting in 1910 cost the average American family their entire financial freedom. They met in se...Decentralized Masters | SponsoredHe bet half his $9 billion on ONE stockOne of the most successful fund managers of the past 50 years put more than $4.5 billion - over half his fund ...Stansberry Research | SponsoredCentral banks bought 710 tonnes - this fund pays monthlyGold is hitting new highs, fueled by tariffs and record central bank demand - 710 tonnes per quarter. JPMorgan...Investors Alley | SponsoredWhere to Put $100 Before Trump's New Tech Law Rolls OutThe Financial Times says a new tech law puts America 'on the verge of a financial revolution.' Yahoo Finance e...Brownstone Research | SponsoredTrump's gold order: the announcement they won't put on the front pageOn August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredOnly one company survived this screenOn May 21, 2026, a federal board voted unanimously to lend one gold company roughly $3 billion. The company...Behind the Markets | SponsoredApple just sent a powerful signal to investorsApple just crossed a $5 trillion market value as shares climbed 25% this year, fueled by new product launches ...Mode Mobile | Sponsored1 Stock to Own by July 31stA scheduled announcement on July 31st could reshuffle the stock market's winners and losers - and one lesser-k...Chaikin Analytics | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Prothena Corporation plc Please log in to your account or sign up in order to add this asset to your watchlist. Share Prothena With A Colleague Link copied to clipboard. Unlock superior investment research and tools. Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools and reports. Get MarketBeat All Access MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In Email Me a Login Link or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
