Yes, a short 'O'
short o
Short o
The short vowel opposite of "opening" is "closing".
Short o, see the related link below:
Short O
It has a short O, as in folly and golly.
Frog has a short 'o'.
Pot has a short 'o'.
No, the word "from" does not have a short "o" sound. The "o" in "from" is pronounced as the diphthong /ɒʊ/.
If you own the stock, it is good to have a high closing price. If you are short the stock or trying to buy the stock, then a low closing price.
Short
short