Liquidity

noun

1. The degree of which something is in high supply and demand, making it easily convertible to cash

   "My Picasso painting is not very liquid, it would take me months to sell it. Gold on the other hand is convertible to cash at any moment, making it a very liquid commodity."

2. The state or property of being liquid.
3. An asset's property of being able to be sold without affecting its value; the degree to which it can be easily converted into cash.

   "Some stocks are traded so rarely that they lack liquidity."

4. Availability of cash over short term: ability to service short-term debt.