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According to BTC-E 1 LTC = 0.006699 BTC.
So that gives,
0.00073981 BTC/day with the exchange you quoted. (1 LTC is 0.041 BTC)
0.49 BTC / 0.00073981 BTC = 662 days ROI.
...
Exchange right now:
1 LTC = 0.0064 BTC
Per your earlier equations, you would get 0.13 LTC/day/bond.
That's 0.00078 BTC/day = 628 days ROI.
I sold over 1,000 LTC today at 0.0069 on Vircurex and BTC-e. Thus, as of today: 1 LTC = 0.0069 BTC
Difficulty hasn't gone up significantly, per your earlier equations, you would get ~0.13 LTC/day/bond.
That's 0.000897 BTC/day = 479 days ROI.
If you buy at the 0.4171 pre-ipo discount, 464 days ROI.
If you count the first and second month bonuses and the pre-ipo discount:
First month return per share: 0.032292
Second month return per share: 0.029601
Subsequent months return per share: 0.02691
~= 456 days ROI
The same calcs with a moderate rise in difficulty and exchange rate: 1 LTC = 0.0079 BTC
Difficulty goes to 7.0, you get ~0.12 LTC/day/bond.
That's 0.000948 BTC/day
If you buy at the 0.4171 pre-ipo discount, 440 days ROI.
If you count the first and second month bonuses and the pre-ipo discount:
First month return per share: 0.034128
Second month return per share: 0.031284
Subsequent months return per share: 0.02844
~= 431 days ROI
You get the idea. The potential here is pretty good.
and operating in a currency that is not in upheaval due to upcoming ASIC shakeups and halving payouts... priceless? (heh, couldn't resist.)
edit/add ... I just double checked the expected payout at a difficulty of 7.0 using allchains.info and it's more like 0.15 LTC/day/bond. It's 1 am here and I have a meeting in the AM but quickly re-doing those calcs it's actually:
Round 2: The same calcs with a moderate rise in difficulty and exchange rate: 1 LTC = 0.0079 BTC
Difficulty goes to 7.0, you get ~
0.15 LTC/day/bond.
That's 0.001185 BTC/day
Thus if you count the first and second month bonuses and the pre-ipo discount:
First month return per share: 0.04266
Second month return per share: 0.039105
Subsequent months return per share: 0.03555
~=
343 days ROI ... (difficulty 7.0, exchange 0.0079, buying pre-ipo at 0.4171)
Seems pretty solid to me. I'm out of steam for today, let me know if I missed anything with the math!
Cheers.