Question: How long does it typically take for the USD exchange rate of bitcoin to double?
Answer:
| Start rate | End rate | # of days | Dates |
| $3.125 | $6.25 | 194 | 2011-12-01 to 2012-06-15 |
| $6.25 | $12.5 | 163 | 2012-06-15 to 2012-11-25 |
| $12.5 | $25 | 79 | 2012-11-25 to 2013-02-12 |
| $25 | $50 | 30 | 2013-02-12 to 2013-03-18 |
| $50 | $100 | 14 | 2013-03-18 to 2013-04-01 |
| $100 | $200 | 8 | 2013-04-01 to 2013-04-09 |
Given this timetable, would anybody like to make a guess at a range of dates between which they believe the exchange rate will reach $400?
Well? 6 months, 5 months, 3 months, 1 month, half a month, quarter of a month.
Another 3 days?