medium · Market Microstructure
A market uses pro-rata matching. There are three resting sell orders at $10.00: Order A (600 shares), Order B (300 shares), and Order C (100 shares). A market buy order for 500 shares arrives.
How many shares is Order B allocated?
- 300 shares
- 166.6 shares
- 150 shares
- 0 shares
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