SPDR S&P 500 (SPY)

132.13 +0.37  +0.28%  May 31, 3:32PM Go Pro
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SPDR S&P 500 Beta: 0.9943

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SPY Beta Range, Past 5 Years

Minimum 0.9817 Aug 2007
Maximum 1.004 Jan 2008
Average 0.9945

About Beta 60 Month

YCharts calculates the 60 month market beta by regressing stock returns less the risk free rate of returns on the market returns less the risk free rate of return (Market returns come from the S&P 500 Total Returns Index (SPXTR), and the risk free rate is the 4 Week Average T-Bill (Monthly). There must be a minimum of 36 months of stock returns for a company to have its beta calculated.

Beta is a measure of the risk of a stock when it is included in a well-diversified portfolio.

In financial theory, the Capital Asset Pricing Model breaks down expected stock returns into two components. The first is the return that would be expected based on covariance with the movements of the market (for most stocks, when the market as a whole goes up, the price of the stock will also go up). The second part is the increase in the price of a stock that is not explained by the market. The first part - covariance with the market - is what Beta captures.

When Beta is positive, the stock price tends to move in the same direction as the market, and the magnitude of Beta tells by how much. If a stock's Beta is greater than 1, that means that when the market index goes up 1%, we expect the stock will go up by more than 1%. On the contrary, if the market goes down by 1%, we expect the stock to go down by more than 1%. Negative Betas, while rare, signify a negative correlation. When the market goes up, we would expect the stock price to go down.

For readers with a background in regression analysis, Beta is the slope of the linear regression shown in the formula below, where Returns are the return on an individual stock or portfolio, Rf is the risk free rate, RMarket is the return on a market portfolio, and e is an error term.
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SPY News

$SPY ... all i know here is that don't step in front of all these stops being taken out
about 40 minutes ago by Leaf_West
$SPY ... and by the book you should get short at that move below the 131.20 ... but there is the support that we were originally waiting for
about 41 minutes ago by Leaf_West
$SPY ... I'm torn at the 131.20 level now ... if price breaks that you would have to say that the move higher "failed" and by the book
about 41 minutes ago by Leaf_West
$SPY ... 131.51 is the 1min Action Line and 131.47 is my stop ... will regroup and see if I am taken out
about 43 minutes ago by Leaf_West
$SPY ... traders playing the break are getting stopped ... that is why you need to buy support to have a good overall price
about 44 minutes ago by Leaf_West
$SPY ... if this goes back into lower support you have to hand it to the market makers for getting everyone short/out
about 45 minutes ago by Leaf_West
$SPY ... breaks often will pullback to get out weak hands and then take off
about 48 minutes ago by Leaf_West
$SPY $SPX Possible "Key Reversal" setting up here. I will sell longs I got this morning if we can't take out this resistance at 1314-13
about 49 minutes ago by Commodityy
$HYG... Bonds, commodities diverging from equities big-time... correlations look to be breaking down. How long before $SPY follows lower?
about 49 minutes ago by chefopopov
$SPX daily is below its last 7 closes... Nothing good can happen to longs until that changes. $spy $es_f
about 49 minutes ago by daytrend
$SPY ... let the fun begin ... my stops are at 131.47
about 51 minutes ago by Leaf_West
$SPY $SPX here is chart that shows that line (red) at top of chart. http://stks.co/43MO
about 51 minutes ago by Commodityy
Rolling With The Zero - http://stks.co/43MM - $SPX $SPY $ES_F $DIA $DJIA $IWM $YM_F $NDX $QQQ $NQ_F $NG_F $ZB_F $TLT $TNT $ZS_F - enjoy!
about 52 minutes ago by evilspeculator
Market Stats at 2:40 pm ET $SPY $ES_F $IWM http://stks.co/43MK
about 52 minutes ago by daytrend
$SPY ... too many day traders trying to get long for a squeeze into the close ... if it fails here they have to get out
about 53 minutes ago by Leaf_West
"you're doing great $FB, just climb the rope as high as you can without falling & ring the bell.. " $$ $spy $spx
about 53 minutes ago by RhinoCapital
@MattKelmon $SPY Unless you are a salmon fish
about 53 minutes ago by Green_Lantern
$SPY ... now I'm not liking a break of that $131.20 price ... it could get real emotional
about 54 minutes ago by Leaf_West
$SPY $SPX personally I think we are going up to back test the broken neckline of the big H&S top from May 1st. Currently that sits at 1385
about 54 minutes ago by Commodityy
Perma-bear tell: twisted mugs from having their teeth kicked in on a regular basis. Swimming upstream in a rigged gm is stupid. $SPY 150+
about 54 minutes ago by MattKelmon
tightening up here on $es_f on 3min chart.. could swing either way here, but expecting a move... $$ $spy $spx
about 56 minutes ago by RhinoCapital
@Leaf_West $SPY Sorry LW. Pushed the wrong address
about 58 minutes ago by Green_Lantern
I always say...you invest to perform -To trounce the 'averages'.Take the averages off your screen. ht @zortrades http://stks.co/43Ls $spy
about 58 minutes ago by howardlindzon
@Klono How much to they pay? $SPY
about 59 minutes ago by Green_Lantern
@Leaf_West $SPY How much to they pay?
about 59 minutes ago by Green_Lantern
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