Portfolio Armor

Portfolio Armor helps you hedge your stocks and ETFs by showing you the optimal put options to give you the precise level of protection you want at the lowest cost. The capability to scan for optimal collars, which can lower the cost of hedging further, is available as an in-app subscription. A current list of Portfolio Armor's top names, which tend to beat the market most of the time, is available as another in-app subscription.
How it works:
You enter your US-traded stock or ETF position, and the maximum downside risk you are willing to accept for it (your "threshold"). Portfolio Armor then uses its proprietary algorithm to instantly scan and analyze all of the available put option contracts for the stock or ETF, searching for the optimal put option contracts to most economically hedge the position.
About Portfolio Armor’s proprietary algorithm:
Portfolio Armor’s algorithm was developed in conjunction with a postdoctoral fellow in the financial engineering department at Princeton University. It is model-independent and does not rely on any parametric assumptions, so there is no chance of model error. In some cases, the cost of protection may be higher than the loss you are looking to prevent. In those cases, Portfolio Armor will inform you that no optimal options are available.
Two in-app subscriptions are available:
1) Optimal Collars (auto-renewable) - Access to the Optimal Collar feature for $9.99 per month. Cancel anytime. *
2) Top Names (auto-renewable) - Access to Portfolio Armor's daily Top Ten List for $29.99 per month. Cancel anytime. *
Praise for Portfolio Armor:
"For a stock or ETF investor who wants to buy insurance against a loss greater than a set percentage, this clever program scans the matrix of striking prices and expirations to identify the most economical put option to accomplish the task. Choosing from the many alternatives can be a complicated task; this program makes it quick and easy."
-- Dr. Robert A. Strong, CFA, Professor of Finance, University of Maine
"Navigating derivatives markets can be daunting for many investors and so the benefits of hedging have usually been limited to professionals. Portfolio Armor is an innovative system that effectively identifies the lowest cost options for affordable hedging solutions. This tool is invaluable for investors who wish to protect their wealth against market drops."
-- Dr. Ren-Raw Chen, Professor of Finance, Fordham University
"In today's market environment, investors are increasingly concerned about downside risk. Portfolio Armor has been an effective tool in helping me protect my clients' portfolios."
-- Greg Clifton, Chartered Financial Consultant, Certified Financial Planner
"Portfolio Armor is exactly what I need to give me some confidence that I’m buying the right puts. (It’s real money after all) It’s so hard for a beginner like me to feel like I have all the numbers right."
-- Richard Carver, private investor
"I love that you invented a friendly tool that an options novice can use! Also, I love that your calculations are kept in the background (with no visible Greeks, break-even graphs, or lingo, and minimal, simple customer input)!"
-- Tom Patane, private Investor

* Your payment will be charged to your iTunes account at confirmation of purchase. Your subscription will automatically renew each month or year 24-hours before the end of the current period, and your credit card will be charged through your iTunes account unless auto-renew is turned off at least 24-hours before the end of the current period. You can turn off auto-renew at any time from your iTunes account settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription to that publication, where applicable. Prices shown are in U.S. dollars.
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