
Ratio-spread is a strategy in options trading that involves buying some number of options and selling a different number of other options of the same underlying market and (usually) the same expiration date, but of a different strike price. Ideally, this strategy should be used when either A) the implied volatility of the options expiring in a par...
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http://en.wikipedia.org/wiki/Ratio_spread

Constructed with either puts or calls, the strategy consists of buying a certain amount of options and then selling a larger quantity of more out-of-the-money options.
Found on
http://www.duke.edu/~charvey/Classes/wpg/bfglosr.htm

Option strategy using either puts or calls. The trader purchases a certain number of options and... <a target=_blank href='http://www.finance-glossary.com/terms/ratio-spread.htm?id=2123&ginPtrCode=00000&PopupMode=false' title='Read full definition of ratio spread'>more</a>
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http://www.finance-glossary.com/pages/home.htm

Is position where you sell more options relative to the number of options purchased. Compare to Backspread.
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http://www.oasismanagement.com/glossary/

An option strategy whereby the amount of futures or options contracts purchased is not equal to the amount of contracts sold.
Found on
https://www.encyclo.co.uk/local/21550
No exact match found.