SPDR S&P 500 ETF Trust SPY
The route row on Robinhood Chain and the other issuers the book reads, for reference, normalised to one unit and set against one reference price.
Book: unread
Tracked here
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RobinhoodSPY Stock Token on Robinhood Chain
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xStocksSPYx
reference
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OndoSPYon
reference
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Binance bStocksSPYB
reference
Reference price
Chainlink Robinhood SPY / USD on Robinhood Chain.
Feed 0x319724394D3A0e3669269846abE664Cd621f9f6A
The reference carries its own state and age. Against an unread reference the book shows no spread. How states work