TOB
- noun
- Jargon
- The current TOB shows a bid of $100.
Examples
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High-frequency traders monitor the TOB to react quickly to market changes.
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The analyst checked the TOB before placing a large order on the exchange.
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A sudden shift in the TOB can indicate increased market activity.
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Investors are watching the TOB closely.
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The trader observed the TOB to make informed decisions about entering the market.
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Before executing his trade, he analyzed the TOB for the best prices.
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Monitoring the TOB helps investors identify optimal buying and selling opportunities.
Surface Forms
Morphology
TOB = T + O + B
As an initialism for 'top of book' (market term), TOB is not a standard morphological formation and the letters do not transparently convey the meaning to learners.
Etymology
TOB is made from the first letters T, O, B of 'top of book', and it points to the best prices at the 'top' of a market order list, so traders watch it to see the current best buy and sell prices.