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Strategies & Market Trends : Tech Stock Options -- Ignore unavailable to you. Want to Upgrade?

To: donald sew who wrote (34796)	2/7/1998 9:47:00 AM
From: Caratunk	Read Replies (1) \| Respond to of 58727

Does anyone know where I can find a good and free options pricer on the internet? Many thanks in advance, Lee

To: donald sew who wrote (34796)	2/8/1998 12:51:00 AM
From: Heg Heg	Read Replies (1) \| Respond to of 58727

Donald, thanks for sharing your thoughts. Sorry that it took me so long to prepare a chart as response. The following is the legend for the chart, I couldn't fit it on the chart itself (next time perhaps). Three portions of data are shown: 1) equity call/put VOLUME ratio as published from CBOE: -- the dark blue dots are the CPR for each day (they swing wildly) -- the thick red line is a 5 day EMA of this -- the thick green line is a 21 day EMA of this. -- the horizontal pink and blue lines are an attempt by me to get a feeling for where reversal points might be (in hindsight, of course!). 2) equity call/put OPEN INTEREST ratio as calculated from some CBOE data. (excludes most index and also leap options!) -- the thin pink line in the top of the chart is not to scale, but instead exaggerated to show the changes better. The low point of the curve represents a value of 1.557 calls for each put, the highest point (just off the top) has a value of 1.842 calls for each put. The open interest has of course a discontinuity on X-day each month when a whole month of open interest disappears. Those near vertical jags on the chart have nothing to do with trading. I feel the open interest represents the sentiment probably better since it shows which equity option contracts people actually take home (as opposed to day trading, which would only show up in the volume figures). 3) for comparison and orientation the SPX is shown also in the chart -- the light blue line is the SPX -- the yellow line is a 10day MA of the SPX At the moment the call/put ratio is very high, higher values existed only in Jan' 97 on this chart. The chart is here: homepages.ihug.co.nz If I find the time I will also look at some CPR of index options as suggested by Barbara. TIA Hý