Hi all,
I am a stock trader and new to options trading. I need your help on implied volatility (IV). I read Jay Kaeppel's "The option trader's guide to probability, volatility and timing." I understand that what is high for IBM maybe low for Coca Cola, ie IV 60% maybe high for IBM, but IV 60% is low for Cola Cola. He clearly state that we need to compare current IV with past few years IV. For example: if in the last two years, IV for IBM is range from 30 to 70, then current IV 60% is high. I know how to calculate current IV (yes, there is many IV calculator outthere). My problem is I cant find any software that can calculate past IV. For example at this moment I know current IV for IBM is 60% but I dont know this IV is high or not since I can't compare it with the past IV.
What software or how can I get/calculate IV for past years?
Many thanks,
NathanBoy.
I am a stock trader and new to options trading. I need your help on implied volatility (IV). I read Jay Kaeppel's "The option trader's guide to probability, volatility and timing." I understand that what is high for IBM maybe low for Coca Cola, ie IV 60% maybe high for IBM, but IV 60% is low for Cola Cola. He clearly state that we need to compare current IV with past few years IV. For example: if in the last two years, IV for IBM is range from 30 to 70, then current IV 60% is high. I know how to calculate current IV (yes, there is many IV calculator outthere). My problem is I cant find any software that can calculate past IV. For example at this moment I know current IV for IBM is 60% but I dont know this IV is high or not since I can't compare it with the past IV.
What software or how can I get/calculate IV for past years?
Many thanks,
NathanBoy.