Sign in

TT buying rate, USD

Exchange rates. Rupees, daily.

Data source: Central Bank of Sri Lanka, CBSL Economic Data Library (wizard)

Macro Lab · LK.EXT.FX.USD.BUY.D · CC BY 4.0

Download
CSVPeriod, value and the source's status flag JSONThe values with the metadata and source

About this series

  • Source Central Bank of Sri Lanka, compiled by Macro Lab
  • Unit Rupees
  • Date range 3 Jan 2005 – 16 Oct 2026
  • Last checked 16 Oct 2026

Checks: 21 recorded for this series, listed below.

Show more

Details

Name in the warehouse
TT buying rate, USD
Read from
CBSL Economic Data Library (wizard) (Central Bank of Sri Lanka)
Source page
https://www.cbsl.lk/eresearch
Notes
CBSL Data Library (wizard export) From 2016-10-06, days the Data Library does not have are taken from CBSL's exchange rate lookup pages (156 so far). On the 3201 days both have, 3185 agree.

Source documents

Read from the CBSL Economic Data Library (wizard), which serves values rather than files.

Vintages

8 vintages, the latest published 16 Oct 2026.

Related series

Source discrepancies

What the warehouse found when it checked this series: the same figure from two agencies, splice overlaps, published rates against ones recalculated from the index, and outliers.

  • Error in the source6 Oct 2015

    This series reads 138.9; the same figure from the other source reads 144.5. Compared with LK.EXT.FX_DAILY_TT.USD.BUY.D.

    Two agencies: 144.53 and 138.91, difference 5.62.

    LK.EXT.FX_DAILY_TT.USD.BUY.D: IF_Buying_Selling file vs the Data Library

    LK.EXT.FX_DAILY_TT.USD.BUY.D: value 144.5300 vs Data Library 138.9100. Whole-day anomaly in the source file: every daily-TT currency (buy and sell) jumps on this one day while every neighbouring day matches the Data Library exactly (e.g. USD/BUY 144.53 here vs 138.9x the day before and after, in both the file and the Library) - re-verified series by series. A single bad row in IF_Buying_Selling_Exchange_Rates...xlsx, not a parsing issue.

  • Error in the source1 Oct 2018

    This series reads 167; the same figure from the other source reads 180.1. Compared with LK.EXT.FX_DAILY_TT.USD.BUY.D.

    Two agencies: 180.083 and 167.03, difference 13.053.

    LK.EXT.FX_DAILY_TT.USD.BUY.D: IF_Buying_Selling file vs the Data Library

    LK.EXT.FX_DAILY_TT.USD.BUY.D: value 180.0828 vs Data Library 167.0300. USD/BUY 180.08 here vs ~167.0 the day before and after). A single bad row in the source file.

  • Rounding26 Apr 2018

    This series reads 155.4; the same figure from the other source reads 155.5. Compared with LK.EXT.FX_DAILY_TT.USD.BUY.D.

    Two agencies: 155.525 and 155.43, difference 0.095.

    LK.EXT.FX_DAILY_TT.USD.BUY.D: IF_Buying_Selling file vs the Data Library

    LK.EXT.FX_DAILY_TT.USD.BUY.D: value 155.5247 vs Data Library 155.4300. Every currency differs from the Data Library by under 0.2 LKR on this date - the file records 4 decimal places (e.g. USD/BUY 155.5247) where the Library's copy has 2 (155.43); a precision/rounding difference between two CBSL publications of the same TT rate, not an error.

  • Disagrees with itself11 May 2010

    Checked against another source.

    Successor diff: 112.87 and 112.94, difference −0.07.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself15 Jun 2010

    Checked against another source.

    Successor diff: 112.9 and 112.86, difference 0.04.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself19 Jul 2010

    Checked against another source.

    Successor diff: 113.58 and 111.97, difference 1.61.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself16 Nov 2010

    Checked against another source.

    Successor diff: 110.85 and 110.87, difference −0.02.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself22 Nov 2010

    Checked against another source.

    Successor diff: 110.87 and 110.86, difference 0.01.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself25 Jan 2011

    Checked against another source.

    Successor diff: 110.08 and 109.9, difference 0.18.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself7 Feb 2011

    Checked against another source.

    Successor diff: 110.16 and 110.09, difference 0.07.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself23 Nov 2011

    Checked against another source.

    Successor diff: 113.07 and 112.99, difference 0.08.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself9 Feb 2012

    Checked against another source.

    Successor diff: 113 and 113.44, difference −0.44.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself23 Dec 2013

    Checked against another source.

    Successor diff: 129.19 and 129.16, difference 0.03.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself13 Mar 2014

    Checked against another source.

    Successor diff: 129.15 and 129.14, difference 0.01.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself16 Dec 2015

    Checked against another source.

    Successor diff: 141.48 and 141.4, difference 0.08.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself29 Feb 2016

    Checked against another source.

    Successor diff: 142.56 and 142.52, difference 0.04.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself28 Jun 2016

    Checked against another source.

    Successor diff: 145.61 and 145.6, difference 0.01.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself8 Feb 2018

    Checked against another source.

    Successor diff: 152.8 and 152.56, difference 0.24.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • Disagrees with itself26 Apr 2018

    Checked against another source.

    Successor diff: 155.52 and 155.43, difference 0.09.

    CBSL's exchange rate lookup pages against the Data Library

    CBSL's exchange rate lookup and the Data Library disagree on 13-18 days per currency between 2010 and April 2018, by a few cents to a few rupees (USD sell 2011-02-28: 91.67 in the lookup, 111.67 in the library). Most look like slips on one side or the other; which side is right is not established for each day.

  • For information

    This series and the same figure from another source differ over the period they share. Compared with LK.EXT.FX_MONTHLY.USD.EOM.M.

    Two agencies: , difference −0.589.

    USD: IF_End_of_the_Month file vs the Data Library's daily TT mid on the last business day on record each month. 46 of 261 months differ by more than 0.5 LKR, mean diff -0.589, worst -11.680 in 2022-04.

    USD: IF_End_of_the_Month_Exchange_Rates.xlsx (CBSL's IMF/IFS reporting rate) vs the Data Library's daily commercial-bank TT mid on the last business day on record each month.

  • For information

    This series and the same figure from another source differ over the period they share. Compared with LK.EXT.FX_MONTHLY.USD.AVG.M.

    Two agencies: , difference −1.199.

    USD: IF_Monthly_Average file vs mean of the Data Library's daily TT mid, by calendar month. 35 of 261 months differ by more than 0.5 LKR, mean diff -1.199, worst -5.843 in 2022-04.

    USD: IF_Monthly_Average_Exchange_Rates.xlsx (CBSL's IMF/IFS reporting rate) vs the mean of the Data Library's daily commercial-bank TT mid over the same calendar month. Reported, not merged.

Errors and rounding first. 18 more checks.