easy · Market Microstructure adverse-selection
A dealer is already long more shares than desired.
Which quote adjustment may help reduce that inventory, all else equal?
- Raise only the bid aggressively to acquire still more shares
- Guarantee the inventory disappears without a trade
- Raise both bid and ask to attract more customer sales to the dealer, even though that would tend to increase the existing long inventory
- Shade both quotes lower to encourage customer buys and discourage customer sells
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