Stock options
Options Brief- Week of July 24
Montréal Exchange
Behind every transaction, there is intention, a belief. Investors typically select options strategies with a clear objective in mind based on a predetermined outlook. One of the most popular strategies is the covered call strategy. We have discussed the covered call in depth in previous posts, but here is a quick summary. The...
Call Put Parity: How to Transform Your Positions
Martin Noël
I have been told frequently – and surely so have you – that selling cash-secured puts is a very risky strategy. Haven’t you? The main reason put forward for not using this strategy is that you could be forced to buy the security, even if the company had just gone bankrupt. In this light, the strategy rightly raises fears....
Delta: Assessing Probabilities Based on the Break-even price
Martin Noël
As we saw in an earlier article, delta measures how much an option’s price moves in relation to a change in the price of the underlying asset. Delta is a variable from the Black-Scholes option pricing model, and it is also used in the industry as an approximation of the probability that the option will be in-the-money at...
Purchasing Put Options or Selling Call Options to Protect Oneself? (Third and Last Part)
Martin Noël
In the two previous articles, we compared purchasing put options as a protective strategy with selling covered call options. The first article used options with monthly expirations, and the second article used options expiring after our period of analysis, from April 17, 2015 to January 22, 2016. In both cases, the analysis led...
Purchasing put options or selling call options to protect oneself? (Part 2)
Martin Noël
In the last article, we compared purchasing put options with selling call options. We reached the conclusion that, in the absence of a known target price and timeframe, it is better to use strategies that take advantage of the decaying time value of options, such as selling call options, as protection against a decline in the...
Purchasing put options or selling call options to protect oneself?
Martin Noël
Is it better to purchase put options or to sell call options for protection against loss? Many investors ask this question but, in this as in many areas, there is no single right answer. As we have seen in earlier articles, purchasing options has one major disadvantage: the erosion of the time value that must be counterbalanced...
The Greeks – Vega
Martin Noël
This week, we will look at another Greek variable, called vega. Vega measures the amount that an option contract’s price changes in response to a change in the volatility of the underlying asset. You will recall that an option’s time value is influenced by the time remaining until expiration and by the implied volatility of...
Term Structure of Implied Volatility
Martin Noël
Changes in implied volatility provide information on options market participants’ expectations regarding future fluctuations in returns on a specific stock. For the purposes of this discussion, we will analyze volatility in the stock price of the Great Canadian Gaming Corporation (GC), which closed at $23.79 on February 24,...
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