historic low
noun[C]
FINANCEukus(alsohistorical low)thelowestlevelthat something, such as apriceorinterestrate, has been at anytime:
dropped to/fell to a historic lowThedollardroppedto ahistoriclowof 1.7 Brazilian reals in May.
hit/reached a historic lowInJune, the US Treasury 10-yearnotereachedahistoriclowyieldof 3.1percent.
Interestrateshave beenat ahistoriclow.