in line with or extremely close to the inside market or last sale in a stock (+/- 1/8). on the money. Bloomberg Financial Dictionary
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tight UK US /taɪt/ adjective
► GOVERNMENT, LAW controlled very carefully: tight controls/security/restrictions »
The talks were held amid tight security in London.
► FINANCE, MANAGEMENT if money or time is tight, there is only just enough of it: »
Finances are tight and no university has spare cash.
tight budget/deadline/schedule »We're working to a very tight schedule.
► ECONOMICS, COMMERCE if there is a tight market, there is not as much of something available as is wanted or needed: »
They should not restrict so much land in an already tight and overpriced housing market.
»A tight labor market is an employer's nightmare.
Financial and business terms. 2012.