Actually, less issued options means less liquidity generally speaking. You just get better leveraging on them (which goes both ways).
As for why people buy them if the heads are the same price, probably not paying attention and leaving their buy orders in queue.
Short Term Trading Week Starting: 9th Apr, page-92
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Last
8,586.9 |
Change
-23.500(0.27%) |
Mkt cap ! n/a | |||
| Open | High | Low |
| 8,610.4 | 8,644.8 | 8,585.3 |
| XAO (ASX) Chart |