Youtubes 
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  Understanding Calls and Puts (Sasha Evdakov, 4m25s)
        https://www.youtube.com/watch?v=zNVgDHCqSVA
  Option Pricing, 2woooooo  (5m48s):   
        https://www.youtube.com/watch?v=I0Xa5wlmM_A
  Option Basics and Fundamentals (Sasha Evdakov, 7m8s)
        https://www.youtube.com/watch?v=R-0VhsmQbZ8
  Run, Profit, Call Options & Put Options Explained Simply In 8 Minutes 
       (How To Trade Options For Beginners) (7m55s)
        https://www.youtube.com/watch?v=EfmTWu2yn5Q
  Options Trading: Understanding Option Prices (7m31s)
        https://www.youtube.com/watch?v=MiybniIIvx0
  Call vs Put Options Basics (17m)
        https://www.youtube.com/watch?v=uQLMSU2NNlk
  Buying Options vs Selling Options (18m57s)
        https://www.youtube.com/watch?v=8wTTq_ftZ18
  Option Profit & Loss Diagrams  (16m34s)
        https://www.youtube.com/watch?v=m2LOJRxYkRg
  Call and Put option for dummies  (12m17s)
        https://www.youtube.com/watch?v=tr5T8y2Qndg
  Options Pricing & The Greeks (Option Alpha, 31m32s) 
        https://www.youtube.com/watch?v=kCJcEOYuuII
  Khan Academy (10m23s)
        https://www.khanacademy.org/economics-finance-domain/core-finance/derivative-securities/black-scholes/v/introduction-to-the-black-scholes-formula

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Links related to options 
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What is a call option?
------------------------------------
   http://www.investopedia.com/terms/c/calloption.asp
   http://www.theoptionsguide.com/call-option.aspx
   http://www.call-options.com/what-are-call-options.html

What is a put option?
------------------------------------
   http://www.investopedia.com/terms/p/putoption.asp
   https://www.tradeking.com/education/options/put-options-explained
   http://www.theoptionsguide.com/put-option.asp

What is Black-Scholes Option model?
------------------------------------
   https://en.wikipedia.org/wiki/Black%E2%80%93Scholes_model
   http://www.macroption.com/black-scholes-formula/
   http://www.investopedia.com/university/options-pricing/black-scholes-model.asp
   https://richnewman.wordpress.com/2007/06/24/a-beginner%E2%80%99s-guide-to-the-black-scholes-option-pricing-formula-part-1/

Online calculator for the Black-Scholes Option models
------------------------------------
   https://www.mystockoptions.com/black-scholes.cfm
   http://www.erieri.com/blackscholes
   http://www.danielsoper.com/fincalc/calc.aspx?id=37
   http://www.calkoo.com/?lang=3&page=29
   http://www.soarcorp.com/black_scholes_calculator.jsp
   http://www.fintools.com/resources/online-calculators/options-calcs/options-calculator/

Greeks for Options
------------------------------------
   http://www.calkoo.com/?lang=3&page=29
   Options Pricing & The Greeks (Option Alpha, 31m32s) 
         https://www.youtube.com/watch?v=kCJcEOYuuII
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