SHORT ANSWER
The core idea
When a particular high-quality security becomes scarce, borrowers may accept unusually low repo rates to obtain it, and the security can trade 'special' in financing markets.
THE MECHANISM
What is happening underneath
Scarcity can affect relative-value trades, settlement and pricing between cash bonds and derivatives.
MARKET INTERPRETATION
How investors should read it
Collateral therefore has a financing value in addition to its investment value.
BONDSTATS TAKEAWAY
The same market move can carry different information depending on which maturity, issuer and risk premium is changing. Read the question together with the underlying concepts rather than treating one price move as a universal signal.
RELATED CONCEPTS
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