The Vanguard 0-3 Month Treasury Bill ETF ( VBIL ) could probably win an award as one of the most boring ETFs around. It is so stable that the ex-date can be clearly seen in its priceAnalyst’s Disclosure: I/we have no stock, option or similar derivative position in any of the companies mentioned, and no plans to initiate any such positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than from Seeking Alpha). I have no ...