"Doctor Copper" says this is a bad case...
Quote from darkhorse:
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Numerous traders decided to go long AAPL this morning on the strength of the big reversal bar.
For the sake of mental clarity, I wanted to write out why I didn't like the AAPL reversal bar -- the one on 4/17. The setup got me thinking more about what goes into the context of a good setup and what doesn't (from the way I view things).
Some thoughts:
Setups are like poker hands. At the poker table, position matters a lot. A reversal bar could be compared to JTs (Jack Ten suited). Whereas you might fold JTs under the gun, you would most likely play it on the button. The difference is position. Position matters -- in trading as in poker, the setup can't be taken in isolation.
I think it is just going to channel around 608.
Volatility expansion is a warning sign. AAPL's large drop represented a major volatility expansion, and break of the 20 EMA, relative to a quiet uptrend with no 20 violations that had lasted for all of 2012. That break says something different is happening here.
Group context: Other speculative vehicles did not confirm AAPL's reversal. If a bunch of other hard-hit names like GOOG and PCLN had turned around too, or if speculative names in general had gotten a big pop, that would be one thing. But AAPL turned alone, giving greater weight to the possibility of an anomaly.
Fundamental context: The whole fund management universe is long AAPL. At this point, are all those long hedge and mutual fund managers thinking "Oh boy lots more upside for AAPL, better buy even more on this strong reversal bar?" Or are they thinking "Gee, I overweighted this thing like hell already (and so did all my colleagues)... maybe I shouldn't be so greedy up here, and lighten up on the gift of a reversal after that stomach-churning warning drop."
Sentiment context: AAPL sentiment had already reached a hyper-extreme. A couple days back some jokers were calling for an AAPL trillion dollar market cap and no one laughed. The presence of hyper-bullishness already built into the stock decreases the odds that the reversal would turn into a meaningful catalyst for blowoff upside.
To sum up, the greater the number of conditional probabilities -- small edges -- you have in your favor, the better, and trades are like poker hands in this regard: The "setup," especially when it is as thin as a single bar, should be validated or invalidated (taken or passed) based on surrounding factors (much as certain poker hands are either played or not played depending on multiple elements of situational context).