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Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

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Update to my original post about when the TSLA share price is actually being used to calculate the index value. This is the original press release about the addition:
Index News Dec 11, 2020 - 5:15 PMTesla Set to Join S&P 500 & 100; Apartment Income REIT to Join S&P MidCap 400

This is the original press release from S&P. My reading is that the entry price to the index is based on the Opening Price on Monday; not the Closing Price on Friday.

These are clearly very similar to each other, most of the time. In this circumstance, there may be a reasonably large difference :)

If that were true, the emphasis on buying shares would have been placed on Monday's opening cross, not Friday's closing cross. Otherwise index funds would be opening themselves up to huge dispersion risk. I think in this case, 12/21 is simply referring to the date that the index will make the listed changes for the purposes of displaying a value.
 
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The $695 trade was real. Here is mine. I got lucky. The jump from my $679 limit to $695 makes no sense to me. I'd placed this order at 2:01 PM EST. Perhaps it was executed as part of the "closing cross"? The 3:59 PM high was $665.

View attachment 619020

I"m surprised to see so many limit orders << 695 filling at 695. I'm astonished that some brainiac on WallSt hasn't figured out a way to make you happy at 679 and pocket the $16 for themselves. Or was this some odd artifact of the unique closing cross?
 
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I"m surprised to see so many limit orders << 695 filling at 695. I'm astonished that some brainiac on WallSt hasn't figured out a way to make you happy at 679 and pocket the $16 for themselves. Or was this some odd artifact of the unique closing cross?

That is how the closing cross works. It jumps from the last trade to the closing price instantly. No stops inbetween.
 
Expired Sell to Close 20 TSLA Jan 15 2021 138.0 Call Limit 550.00 -- 12/18/20 16:08:05 12/18/20

My transaction didn't go through. Weird. Does anyone have an idea why?

At the market close, your limit price was above the lowest asking price. No one was interested in paying what you wanted.
 
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Expired Sell to Close 20 TSLA Jan 15 2021 138.0 Call Limit 550.00 -- 12/18/20 16:08:05 12/18/20

My transaction didn't go through. Weird. Does anyone have an idea why?

Maybe because the SP didn't increase to $695 until right as the market closed? And options aren't traded after hours.

Edit: snipered by curt.
 
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Expired Sell to Close 20 TSLA Jan 15 2021 138.0 Call Limit 550.00 -- 12/18/20 16:08:05 12/18/20

My transaction didn't go through. Weird. Does anyone have an idea why?

Options stopped trading at the regular market close, when your asking price was above the lowest. To earn your profit, you'll have to exercise your option. Contact your brokerage.

EDIT: Since your option was not expiring today, immediate exercise is unnecessary.
 
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Are you saying most index funds are not buying after hours and the ones that do will only buy at 695? Not at 680 or 675? Would they really mind a tracking error that makes their performance slightly better?

Just a guess on my part, but isn’t tracking error something that these index funds manage over the course of a year? So why not put some in the bank with some alpha here, allowing for negatives in other situations.