Link to Part II : https://goo.gl/36GR2G
The change in option price may take place on account of directional price shift in the underlying asset, time decay or change in implied volatility. The understanding of option’s sensitivity to greeks can be very helpful and can improve your trading in options. The concept of greeks comes from Black Scholes model. Most buyers are concerned with Greeks like theta, delta and vega.
This video helps you understand them one by one.
To know more about these options strategies, read our article here: https://goo.gl/WbcwF4
Also, to learn more about options trading in details, check out our NSE Certified course here: https://goo.gl/TstHhm