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Market manipulation

16 messages,  Last post on Oct 15, 2008 at 8:39 PM

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#9 of 16
Re: Round Trip [yuant] by mikedrud
Oct 13, 2008 (10:58 am)
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Replying to: yuant (Oct 11, 2008 6:28 pm)

Let me translate your transactions in different terms:
 
1. Shorted 13,048 shares, essentially you "paid" 12.30/share (inverse of 87.70 or 100.00 - 87.70). Break-even amount: $160,490.40
 
2. Covered 81,366 at 16.04/share: Transaction value: 1,305,110.64. I don't know how many shares you owned total (and what the value of those previous transactions were, but for #1 short, you made 16.04 - 12.30 = 3.74/share. For #1, you should have come out ahead 48,799.52 (or thereabouts).
 
3. You then sold 68,318 share at 16.96. I don't know the price at which you originally purchased these shares. That will determine the profit or loss you had here.
 
4. And now you hold a short position of 13,259 shares.
 
Is that correct?
#10 of 16
Re: Round Trip [mikedrud] by yuant
Oct 13, 2008 (11:17 am)
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Replying to: mikedrud (Oct 13, 2008 10:58 am)

Before these transactions, I had no position in S94X. What I wanted to try was going from max short to max long back to max short. It let me go from max short to max long in just one transaction. Then when I had a long position and selected max short, it only sold all my long shares and didn't go short. I then placed the final order to go max short again.
 
Mike, was there anyone else placing trades on S94X between my first and last trade?
#11 of 16
Re: Round Trip [yuant] by chung
Oct 13, 2008 (3:21 pm)
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Replying to: yuant (Oct 13, 2008 11:17 am)

yuant,
 
Although I do did not calculate your earning in detail, from my multi hundreds experiential transactions back in March/April, you are more likely to lose money by trading yourself. These were few instances where you would make money, but the results were fairly random and not consistent even the same stock. (experimented on a different day, same number of shares) Of course the algorithm might have changed since then, but i figured such transactions were not worth the risk anyway. Anyways, have fun.
#12 of 16
Yikes - Help me, Mike (maybe) by 57sweptside
Oct 15, 2008 (12:01 pm)
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I lost $6 MILLION today. I was bumping up and down to make a few thousand bucks ($10-15k) and got stung. If this is legit, I'll eat it and continue to play. However if there is a glitch or no other purchasing during this time, I'd sure like to see it fixed.
 
Vehicle Name Shares Price Total Hour (PT)/Date Type
Acura RL (ACRL) 121,349 $20.49 $2,486,441.01 12:53pm 10/15/2008 Sell
Acura RL (ACRL) 217,520 $44.21 $9,616,559.20 12:52pm 10/15/2008 Cover/Buy
Acura RL (ACRL) 227,418 $84.07 $19,119,031.26 12:52pm 10/15/2008 Sell/Short
Acura RL (ACRL) 116,247 $25.88 $3,008,472.36 12:51pm 10/15/2008 Buy
Cadillac Escalade hybrid (ESCh) 240,743 $26.17 $6,300,244.31 12:49pm 10/15/2008 Sell
Cadillac Escalade hybrid (ESCh) 275,409 $23.98 $6,604,307.82 12:49pm 10/15/2008 Cover/Buy
Cadillac Escalade hybrid (ESCh) (34,665) $90.78 $3,146,888.70 12:48pm 10/15/2008 Short
GMC Sierra hybrid (SRAh) 221,441 $23.83 $5,276,939.03 12:45pm 10/15/2008 Sell
GMC Sierra hybrid (SRAh) 255,587 $21.46 $5,484,897.02 12:45pm 10/15/2008 Cover/Buy
GMC Sierra hybrid (SRAh) (34,145) $91.58 $3,126,999.10 12:44pm 10/15/2008 Short
Cadillac CTS Sport Wagon (CTSS) 44,652 $12.07 $538,949.64 12:27pm 10/15/2008 Sell
Cadillac CTS Sport Wagon (CTSS) 200,000 $28.46 $5,692,000.00 12:26pm 10/15/2008 Sell
Cadillac CTS Sport Wagon (CTSS) 279,000 $23.44 $6,539,760.00 12:25pm 10/15/2008 Cover/Buy
Cadillac CTS Sport Wagon (CTSS) (34,347) $91.11 $3,129,355.17 12:25pm 10/15/2008 Short
Cadillac CTS Sport Wagon (CTSS) 182,952 $20.29 $3,712,096.08 12:23pm 10/15/2008 Sell
Cadillac CTS Sport Wagon (CTSS) 217,085 $18.35 $3,983,509.75 12:22pm 10/15/2008 Cover/Buy
Cadillac CTS Sport Wagon (CTSS) (34,133) $91.57 $3,125,558.81 12:22pm 10/15/2008 Short
Audi A4 (AUA4) 6,000 $27.39 $164,340.00 12:16pm 10/15/2008 Buy
Audi A4 (AUA4) 60,000 $38.47 $2,308,200.00 12:15pm 10/15/2008 Sell
Audi A4 (AUA4) 42,350 $41.96 $1,777,006.00 12:15pm 10/15/2008 Buy
Audi A4 (AUA4) 10,000 $31.22 $312,200.00 12:14pm 10/15/2008 Buy
Audi A4 (AUA4) 30,000 $34.93 $1,047,900.00 12:13pm 10/15/2008 Sell
Audi A4 (AUA4) 25,000 $36.31 $907,750.00 12:13pm 10/15/2008 Buy
Audi A4 (AUA4) 5,000 $30.36 $151,800.00 12:12pm 10/15/2008 Buy
#13 of 16
Re: Yikes - Help me, Mike (maybe) [57sweptside] by 57sweptside
Oct 15, 2008 (12:04 pm)
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Replying to: 57sweptside (Oct 15, 2008 12:01 pm)

And how is it possible to lose 50% when the max you can invest is 25% of net worth?
#14 of 16
Re: Yikes - Help me, Mike (maybe) [57sweptside] by chung
Oct 15, 2008 (12:16 pm)
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Replying to: 57sweptside (Oct 15, 2008 12:01 pm)

I think it was me who took your $6M $580K was 25% of my portfolio
 
Acura RL (ACRL) 115,107 $61.78 $7,111,310.46 12:52pm 10/15/2008 Sell
Acura RL (ACRL) 115,107 $5.06 $582,441.42 12:52pm 10/15/2008 Buy
#15 of 16
Re: Yikes - Help me, Mike (maybe) [57sweptside] by thegrocer
Oct 15, 2008 (7:17 pm)
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Replying to: 57sweptside (Oct 15, 2008 12:01 pm)

I didn't think anything of it but I got a similar glitch with the Tiguan about a week ago...
 
Volkswagen Tiguan (VWTG) 83,110 $1.38 $114,691.80 10:03am 10/09/2008 Sell
Volkswagen Tiguan (VWTG) 83,110 $25.55 $2,123,460.50 10:02am 10/09/2008 Buy
 
Granted, I wanted to bleed off some cash but not $2 million worth....
#16 of 16
Re: Yikes - Help me, Mike (maybe) [thegrocer] by chung
Oct 15, 2008 (8:39 pm)
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Replying to: thegrocer (Oct 15, 2008 7:17 pm)

Probably not an error. Someone probably trade against you when you were making those large moves. If you want to bleed off some. Just buy or short tons of stocks and let market correct itself. Selling in large chunks has always a high risk.

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