Viewing profile — superprime
superprime
HN member- Joined
- Wed, Jan 25, 2012, 10:11 PM UTC
- HN karma
- 83
- Public activity
- 34 items
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About superprime
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Recent public activity
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Comment #7583754
The underlying idea is that a dollar today is worth more to you than a dollar tomorrow (all else equal). The NPV is how much a thing is worth/costs now after taking that into accou…
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Comment #7347770
At large enough size, commission/trading costs are not necessarily a significant factor--individuals are just not great at stock picking and timing the market.
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Comment #6968359
Let's say I sell you an option to buy (from me) a share of TWTR at $100 at any time through the end of January. I have just sold you a call option. If I already own a share of TWTR…
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Comment #6929853
They work, but they are "mailto:" links.
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Comment #5919663
It is not denominated in USD. It's a currency, and like any other currency you can exchange it for others, including USD, which is why you often see exchange spot prices in USD.
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Comment #5658344
It's obviously a coin made out of a bit of metal.
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Comment #5537871
I've used it the correct way only to have people try to correct it with the (traditionally) wrong pronunciation.
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Comment #5512798
One of my favorite tweets is by Ed Felten: "If n > 2, then a^n + b^n does not equal c^n. I have discovered a truly marvellous proof of this, which this tweet is too small to contai…
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Comment #5464543
It's not about the cost of college, at least here. Places like Stanford and Princeton have generous enough financial aid programs that if you can't pay for it, they will (presuming…
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Comment #5418726
Arbitrageurs, not speculators.
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Comment #5302055
Sacrifice by definition must be voluntary, otherwise it's just servitude, so saying he volunteered is not a good argument against calling his service sacrifice. Likewise breaking t…
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Comment #5237053
These seem like things one should basically be doing anyway.
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Comment #5230054
I actually started wearing a watch regularly a couple of years ago after thinking a cellphone was enough for a long time. There are a couple of advantages: it looks good (maybe the…
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Comment #4856428
The article links to the book's (free) download page: http://10print.org
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Comment #4610458
It's not really his idea, but it's probably a good one. I remembered it as being called a Tobin tax, but that really only applies to currency exchange. Instead, it's just a securit…
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Comment #4573276
You can use mod_ssl: http://onlamp.com/onlamp/2008/03/04/step-by-step-configuring... . Other good resources are an easy search away. There are basically two steps, both of which ca…
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Comment #4374056
this may have a wider impact, what with "a butterfly flapping its wings in Japan"
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Comment #4374049
just wondering--is there a reason the field name "Craft" is capitalized, but "name" is not?
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Comment #4348582
many, if not most, ibanks have twitter blocked.
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Comment #4221184
Yes, they basically don't say what they're going to spend the money on. But it may have been (they hint at this) that they didn't need or want the funding so much as to have AH inv…
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Comment #4171792
Here is an explanation from Matt Levine: http://dealbreaker.com/2012/05/the-tale-of-a-whale-of-a-fail... . And one from Lisa Pollack: http://ftalphaville.ft.com/blog/2012/05/11/996…
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Comment #4132881
It's also definitely a misuse of 'zeitgeist.'
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Comment #4101749
it sounds like you've also been persistent.