Use "display board" in a sentence

1. On the display board the numbers read one-and-a-half billion and climbing fast

2. (Display boards showing the above points shall be displayed at the

3. display board for the other teachers to enjoy

4. 5 In the early days of floor trading on option exchanges, expiration months were listed horizontally on the exchange display boards—hence the term horizontal spread for strategies consisting of options with different expiration months

5. 4 In the early days of trading on option exchanges, exercise prices were listed vertically on the exchange display boards—hence the term vertical spread for strategies consisting of options with difference exercise prices