Cheers Maaze, I managed to find a more detailed course of sales....

Cheers Maaze, I managed to find a more detailed course of sales. Note all the 18c buys came in the last half an hour of trading.

16:10:05 0.1800 42,300 7,614.00
16:10:05 0.1800 7,700 1,386.00
15:59:45 0.1800 100,000 18,000.00
15:59:03 0.1800 32,300 5,814.00
15:58:17 0.1800 20,000 3,600.00
15:58:17 0.1800 2,700 486.00
15:49:17 0.1800 30,000 5,400.00
15:43:48 0.1800 100,000 18,000.00
15:42:40 0.1800 7,300 1,314.00
15:42:08 0.1800 92,700 16,686.00
15:41:50 0.1800 47,300 8,514.00
15:38:49 0.1800 2,700 486.00