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Thanks, I used one of those formulas in a spreadsheet I'm building out. On a related topic, I was trying the Price Probability Distribution function in Hoadley Tools where the user enters Spot, DTE, Volatility, Skew and Kurtosis and Excel draws a lognormal curve and a non-lognormal curve...

She ain't pretty, but she puts out. Reasons to stay: - low cost - breadth of products - commission rebates on options. Even if you're trading 'retail' you might find a fair number of your trades are nearly free - financial size and stability - speed of platform - Risk Navigator - reporting, to...

In the options chains provided by OptionsHouse, you can select all Greeks for both puts and calls (see image). I just glanced at some sample data and there were some slight variances between the Ps and Cs , which I believe is what you're looking for. Caveat: It's after hours and things are not...

Thanks, James, for pointing me in the right direction. I'll have to do some digging to see if I can learn what's behind the iVolatility calculator and compare the results to the various probability distribution curves in the Hoadley Excel add-in (the ones where you can set skew and excess...

I was comparing some probability results from Hoadley online and his Excel add-in to a similar tool from iVolatility.com, which is distributed to customers of OptionsHouse, TradeKing, Scottrade and perhaps others. The results for 'probability at expiration' (finishing above or below) match...

Yes, it's difficult, but as the really smart option guys on this site (I'm not one of them) will tell you, you have to have an opinion on volatility and price direction. "Flat" or "I don't know" is OK, just be sure you have an appropriate strategy for that. Or stay out until you have a stronger...

Crayon, Here's an example: JKS (Jinko Solar), a volatile Chinese solar stock, reports earnings Monday, I think (I have no positions in it right now). Underlying $32.72 Expiration 20 Jun 2014 iVolatility's 30 day "IV Index" 82.03% Alternative volatility forecast 55.00% Using a probability...

If you're using the sections of the CBOE and OIC (Options Industry Council) sites with the options tools provided by ivolatility.com, you're probably getting iVolatility's "IV Index" for 30 DTE, which 1) may be greatly elevated or depressed due to recent earnings or other news and 2) may not...

How are you calculating your SDs? Are you using a simple Excel calculation or plugging some numbers into an online calculator? If using a calculator coded into a retail trading platform, are YOU allowed to make the volatility forecast or does it make it for you?

I glanced at the Obsidian site and at first impression thought it might be another "we don't show the price, and if you have to ask, you can't afford it." However, the product was reviewed in Futures Magazine in 2012 and the basic platform is $200/mo and the pro is $400/mo. Supposedly they...

It is and according to this article, they don't house the data (a surprise to me); their secret sauce is building and managing the links to the data repositories and then presenting the query results to the user in several standard formats...

As an FYI to anyone that uses Hoadley and also trades futures/FOPs, the most recent update to the Hoadley Excel Add-in includes data retrieval capability for Quandl. The Quandl data is futures-only, but it goes way back, it's free and in addition to specific contracts, they also build several...

:confused: If your sleep pattern is such that you need a nap at noon, don't be shorting close to the money options and then fall asleep with a couple of hours to expiration.

Crayon, In response to a couple of your questions/comments: 1. The image I posted was from Quikstrike.net, an application for futures options only. If you're just getting started with stock options, you might try the options calculators and HV/IV charts on the CBOE and OIC...

Try stress testing your position by adding a big jump in daily ATM volatility and then make it even worse to account for the skew in OTM options. The attached image shows a big jump in vol for NG earlier this month. There have been several jumps like this recently; I just happened to have this...

You should probably start with some background reading on the formation and functions of exchanges > clearinghouses > futures commission merchants. As for who's on the other side of your trade, you don't know, it doesn't matter, and they are not obligated to hedge their transaction. The counter...

The grain contracts are 5000 bushels. The minimum tick is one-fourth of a cent (.0025) times 5000 bu = $12.50 per contract. In the image you posted 5886 is 588.75 cents per bu or $5.8875 per bushel. Some quote systems use '2, '4, '6, and 1'0 to denote a quarter of a cent, a half cent, three...

Questions of this type are easily answered on the CME site. Just look under products > metals > silver and you will find futures and options quotes, contract fact sheets, product brochures and the detailed rule book. SI is the futures product you're looking for. It gets a little confusing...

You should check out Futures Magazine's recent articles on Vision. They might be under the byline of Dan Collins, who was a contributor at the time; now he's the boss. Edit: Here's one. Others might be at the Dan Collins report...

Calculate a value, put in a limit order and then go read a book. There's virtually no activity in silver futures or options beyond the front two contract months (and it's almost all in the first).