Due to the high quantity of ETOs, natural liquidity is significantly lower than in the share market. To combat this the ASX contract market makers to provide bids/offers. The ETO market making scheme requires that market makers provide continuous quotation in only a small number of unique series’. Market makers will usually respond to quote requests in the remaining series.
For an in depth guide/explanation (with screenshots) showing how to obtain an ETO quote, click here.
For more information regarding the ASX ETO Market Maker Scheme please see: https://www2.asx.com.au/markets/market-resources/market-maker-arrangements/equity-derivatives-market-maker-arrangements