Todos os índicesFGV

IGP-M

Índice Geral de Preços — Mercado

Último mês
ago/2026
Variação no mês
-0,22%
Acumulado em 12 meses
2,16%
Defasagem de divulgação
1 mês
2026
MêsNúmero-índiceNo mêsNo ano12 meses
ago/20261.206,897-0,22%+1,85%+2,16%
jul/20261.209,617-1,16%+2,08%+2,76%
jun/20261.223,761-0,50%+3,27%+3,16%
mai/20261.229,904+0,84%+3,79%+1,95%
abr/20261.219,678+2,73%+2,93%+0,61%
mar/20261.187,302+0,52%+0,19%-1,83%
fev/20261.181,152-0,73%-0,32%-2,67%
jan/20261.189,820+0,41%+0,41%-0,91%
2025
MêsNúmero-índiceNo mêsNo ano12 meses
dez/20251.184,998-0,01%-1,05%-1,05%
nov/20251.185,175+0,27%-1,03%-0,11%
out/20251.182,005-0,36%-1,30%+0,92%
set/20251.186,283+0,42%-0,94%+2,82%
ago/20251.181,369+0,36%-1,35%+3,03%
jul/20251.177,168-0,77%-1,70%+2,96%
jun/20251.186,259-1,67%-0,94%+4,39%
mai/20251.206,378-0,49%+0,74%+7,02%
abr/20251.212,296+0,24%+1,23%+8,50%
mar/20251.209,432-0,34%+0,99%+8,58%
fev/20251.213,514+1,06%+1,33%+8,44%
jan/20251.200,775+0,27%+0,27%+6,75%
2024
MêsNúmero-índiceNo mêsNo ano12 meses
dez/20241.197,562+0,94%+6,54%+6,54%
nov/20241.186,462+1,30%+5,55%+6,33%
out/20241.171,272+1,52%+4,20%+5,59%
set/20241.153,718+0,62%+2,64%+4,53%
ago/20241.146,575+0,29%+2,00%+4,26%
jul/20241.143,313+0,61%+1,71%+3,82%
jun/20241.136,409+0,81%+1,10%+2,45%
mai/20241.127,233+0,89%+0,28%-0,34%
abr/20241.117,280+0,31%-0,60%-3,04%
mar/20241.113,837-0,47%-0,91%-4,26%
fev/20241.119,061-0,52%-0,45%-3,76%
jan/20241.124,879+0,07%+0,07%-3,32%
2023
MêsNúmero-índiceNo mêsNo ano12 meses
dez/20231.124,072+0,74%-3,18%-3,18%
nov/20231.115,815+0,59%-3,89%-3,46%
out/20231.109,236+0,50%-4,46%-4,57%
set/20231.103,740+0,37%-4,93%-5,97%
ago/20231.099,710-0,14%-5,28%-7,20%
jul/20231.101,204-0,72%-5,15%-7,72%
jun/20231.109,230-1,93%-4,46%-6,86%
mai/20231.131,058-1,84%-2,58%-4,47%
abr/20231.152,307-0,95%-0,75%-2,17%
mar/20231.163,359+0,05%+0,20%+0,17%
fev/20231.162,761-0,06%+0,15%+1,86%
jan/20231.163,465+0,21%+0,21%+3,79%
2022
MêsNúmero-índiceNo mêsNo ano12 meses
dez/20221.161,006+0,45%+5,45%+5,45%
nov/20221.155,829-0,56%+4,98%+5,90%
out/20221.162,391-0,97%+5,58%+6,52%
set/20221.173,793-0,95%+6,61%+8,25%
ago/20221.185,004-0,70%+7,63%+8,59%
jul/20221.193,337+0,21%+8,39%+10,08%
jun/20221.190,882+0,59%+8,16%+10,70%
mai/20221.183,953+0,52%+7,54%+10,72%
abr/20221.177,809+1,41%+6,98%+14,66%
mar/20221.161,418+1,74%+5,49%+14,77%
fev/20221.141,546+1,83%+3,68%+16,12%
jan/20221.120,999+1,82%+1,82%+16,91%
2021
MêsNúmero-índiceNo mêsNo ano12 meses
dez/20211.100,988+0,87%+17,78%+17,78%
nov/20211.091,483+0,02%+16,77%+17,89%
out/20211.091,283+0,64%+16,74%+21,73%
set/20211.084,312-0,64%+16,00%+24,86%
ago/20211.091,290+0,66%+16,75%+31,12%
jul/20211.084,095+0,78%+15,98%+33,83%
jun/20211.075,733+0,60%+15,08%+35,75%
mai/20211.069,289+4,10%+14,39%+37,04%
abr/20211.027,211+1,51%+9,89%+32,02%
mar/20211.011,948+2,94%+8,26%+31,10%
fev/2021983,063+2,53%+5,17%+28,94%
jan/2021958,844+2,58%+2,58%+25,71%
2020
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2020934,758+0,96%+23,14%+23,14%
nov/2020925,887+3,28%+21,97%+24,52%
out/2020896,505+3,23%+18,10%+20,93%
set/2020868,442+4,34%+14,40%+17,94%
ago/2020832,313+2,74%+9,64%+13,02%
jul/2020810,083+2,23%+6,71%+9,27%
jun/2020792,429+1,56%+4,39%+7,31%
mai/2020780,280+0,28%+2,79%+6,51%
abr/2020778,101+0,80%+2,50%+6,68%
mar/2020771,908+1,24%+1,69%+6,81%
fev/2020762,423-0,04%+0,44%+6,82%
jan/2020762,733+0,48%+0,48%+7,81%
2019
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2019759,112+2,09%+7,30%+7,30%
nov/2019743,558+0,30%+5,11%+3,97%
out/2019741,333+0,68%+4,79%+3,15%
set/2019736,362-0,01%+4,09%+3,37%
ago/2019736,402-0,67%+4,09%+4,95%
jul/2019741,346+0,40%+4,79%+6,39%
jun/2019738,421+0,80%+4,38%+6,51%
mai/2019732,595+0,45%+3,56%+7,64%
abr/2019729,346+0,92%+3,10%+8,64%
mar/2019722,707+1,26%+2,16%+8,27%
fev/2019713,747+0,88%+0,89%+7,60%
jan/2019707,488+0,01%+0,01%+6,74%
2018
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2018707,441-1,08%+7,54%+7,54%
nov/2018715,166-0,49%+8,71%+9,68%
out/2018718,684+0,89%+9,25%+10,79%
set/2018712,373+1,52%+8,29%+10,04%
ago/2018701,677+0,70%+6,66%+8,89%
jul/2018696,800+0,51%+5,92%+8,24%
jun/2018693,287+1,87%+5,39%+6,92%
mai/2018680,579+1,38%+3,45%+4,26%
abr/2018671,327+0,57%+2,05%+1,89%
mar/2018667,524+0,64%+1,47%+0,20%
fev/2018663,311+0,07%+0,83%-0,42%
jan/2018662,826+0,76%+0,76%-0,41%
2017
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2017657,859+0,89%-0,52%-0,52%
nov/2017652,073+0,52%-1,40%-0,86%
out/2017648,672+0,20%-1,91%-1,41%
set/2017647,400+0,47%-2,10%-1,45%
ago/2017644,383+0,10%-2,56%-1,71%
jul/2017643,766-0,72%-2,65%-1,66%
jun/2017648,409-0,67%-1,95%-0,78%
mai/2017652,758-0,93%-1,29%+1,57%
abr/2017658,898-1,10%-0,36%+3,37%
mar/2017666,197+0,01%+0,74%+4,86%
fev/2017666,099+0,08%+0,73%+5,38%
jan/2017665,542+0,64%+0,64%+6,65%
2016
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2016661,304+0,54%+7,17%+7,17%
nov/2016657,752-0,03%+6,60%+7,12%
out/2016657,927+0,16%+6,63%+8,78%
set/2016656,894+0,20%+6,46%+10,66%
ago/2016655,602+0,15%+6,25%+11,49%
jul/2016654,641+0,18%+6,09%+11,63%
jun/2016653,496+1,69%+5,91%+12,21%
mai/2016642,651+0,82%+4,15%+11,09%
abr/2016637,434+0,33%+3,30%+10,63%
mar/2016635,349+0,51%+2,97%+11,56%
fev/2016632,114+1,29%+2,44%+12,08%
jan/2016624,060+1,14%+1,14%+10,95%
2015
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2015617,044+0,49%+10,54%+10,54%
nov/2015614,051+1,52%+10,00%+10,69%
out/2015604,832+1,89%+8,35%+10,09%
set/2015593,606+0,95%+6,34%+8,35%
ago/2015588,042+0,28%+5,34%+7,55%
jul/2015586,426+0,69%+5,05%+6,97%
jun/2015582,401+0,67%+4,33%+5,59%
mai/2015578,516+0,41%+3,64%+4,11%
abr/2015576,175+1,17%+3,22%+3,55%
mar/2015569,536+0,98%+2,03%+3,16%
fev/2015564,004+0,27%+1,04%+3,86%
jan/2015562,482+0,76%+0,76%+3,98%
2014
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2014558,213+0,62%+3,69%+3,69%
nov/2014554,769+0,98%+3,05%+3,66%
out/2014549,396+0,28%+2,05%+2,96%
set/2014547,839+0,20%+1,76%+3,54%
ago/2014546,745-0,27%+1,56%+4,89%
jul/2014548,202-0,61%+1,83%+5,32%
jun/2014551,554-0,74%+2,45%+6,24%
mai/2014555,679-0,13%+3,22%+7,84%
abr/2014556,420+0,78%+3,35%+7,98%
mar/2014552,087+1,67%+2,55%+7,30%
fev/2014543,038+0,38%+0,87%+5,76%
jan/2014540,959+0,48%+0,48%+5,66%
2013
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2013538,370+0,60%+5,51%+5,51%
nov/2013535,168+0,29%+4,88%+5,60%
out/2013533,621+0,86%+4,58%+5,27%
set/2013529,085+1,50%+3,69%+4,40%
ago/2013521,270+0,15%+2,16%+3,85%
jul/2013520,508+0,26%+2,01%+5,18%
jun/2013519,153+0,75%+1,74%+6,31%
mai/2013515,2990,00%+0,99%+6,22%
abr/2013515,276+0,15%+0,98%+7,30%
mar/2013514,526+0,21%+0,84%+8,06%
fev/2013513,467+0,29%+0,63%+8,29%
jan/2013511,977+0,34%+0,34%+7,91%
2012
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2012510,252+0,68%+7,82%+7,82%
nov/2012506,795-0,03%+7,09%+6,96%
out/2012506,926+0,02%+7,12%+7,52%
set/2012506,804+0,97%+7,09%+8,07%
ago/2012501,957+1,43%+6,07%+7,72%
jul/2012494,891+1,34%+4,57%+6,67%
jun/2012488,342+0,66%+3,19%+5,14%
mai/2012485,140+1,02%+2,51%+4,26%
abr/2012480,229+0,85%+1,47%+3,65%
mar/2012476,166+0,43%+0,62%+3,23%
fev/2012474,138-0,06%+0,19%+3,43%
jan/2012474,429+0,25%+0,25%+4,53%
2011
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2011473,252-0,12%+5,10%+5,10%
nov/2011473,808+0,50%+5,22%+5,95%
out/2011471,466+0,53%+4,70%+6,95%
set/2011468,975+0,65%+4,15%+7,46%
ago/2011465,968+0,44%+3,48%+8,00%
jul/2011463,927-0,12%+3,03%+8,36%
jun/2011464,463-0,18%+3,15%+8,65%
mai/2011465,311+0,43%+3,33%+9,77%
abr/2011463,311+0,45%+2,89%+10,60%
mar/2011461,249+0,62%+2,43%+10,95%
fev/2011458,397+1,00%+1,80%+11,30%
jan/2011453,875+0,79%+0,79%+11,50%
2010
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2010450,301+0,69%+11,32%+11,32%
nov/2010447,206+1,45%+10,56%+10,27%
out/2010440,829+1,01%+8,98%+8,81%
set/2010436,423+1,15%+7,89%+7,77%
ago/2010431,445+0,77%+6,66%+6,99%
jul/2010428,150+0,15%+5,85%+5,79%
jun/2010427,489+0,85%+5,68%+5,17%
mai/2010423,885+1,19%+4,79%+4,18%
abr/2010418,917+0,77%+3,56%+2,88%
mar/2010415,734+0,94%+2,78%+1,94%
fev/2010411,843+1,18%+1,82%+0,24%
jan/2010407,049+0,63%+0,63%-0,67%
2009
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2009404,499-0,26%-1,72%-1,72%
nov/2009405,548+0,10%-1,46%-1,59%
out/2009405,129+0,05%-1,57%-1,31%
set/2009404,945+0,42%-1,61%-0,40%
ago/2009403,253-0,36%-2,02%-0,71%
jul/2009404,718-0,43%-1,67%-0,67%
jun/2009406,486-0,10%-1,24%+1,52%
mai/2009406,885-0,07%-1,14%+3,64%
abr/2009407,181-0,15%-1,07%+5,38%
mar/2009407,808-0,74%-0,92%+6,27%
fev/2009410,849+0,26%-0,18%+7,86%
jan/2009409,782-0,44%-0,44%+8,15%
2008
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2008411,575-0,13%+9,81%+9,81%
nov/2008412,104+0,38%+9,95%+11,88%
out/2008410,524+0,98%+9,53%+12,23%
set/2008406,557+0,11%+8,47%+12,31%
ago/2008406,127-0,32%+8,35%+13,63%
jul/2008407,446+1,76%+8,71%+15,12%
jun/2008400,382+1,98%+6,82%+13,44%
mai/2008392,592+1,61%+4,74%+11,53%
abr/2008386,380+0,69%+3,09%+9,81%
mar/2008383,731+0,74%+2,38%+9,10%
fev/2008380,906+0,53%+1,63%+8,67%
jan/2008378,900+1,09%+1,09%+8,38%
2007
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2007374,815+1,76%+7,75%+7,75%
nov/2007368,334+0,69%+5,89%+6,23%
out/2007365,794+1,05%+5,16%+6,29%
set/2007361,997+1,29%+4,07%+5,67%
ago/2007357,404+0,98%+2,75%+4,63%
jul/2007353,920+0,28%+1,75%+4,00%
jun/2007352,936+0,26%+1,46%+3,89%
mai/2007352,020+0,04%+1,20%+4,40%
abr/2007351,869+0,04%+1,16%+4,75%
mar/2007351,717+0,34%+1,11%+4,26%
fev/2007350,524+0,27%+0,77%+3,67%
jan/2007349,593+0,50%+0,50%+3,40%
2006
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2006347,842+0,32%+3,83%+3,83%
nov/2006346,746+0,75%+3,50%+3,50%
out/2006344,155+0,47%+2,73%+3,13%
set/2006342,561+0,29%+2,26%+3,28%
ago/2006341,574+0,37%+1,96%+2,43%
jul/2006340,312+0,18%+1,58%+1,39%
jun/2006339,712+0,75%+1,40%+0,86%
mai/2006337,185+0,38%+0,65%-0,33%
abr/2006335,921-0,42%+0,27%-0,92%
mar/2006337,339-0,23%+0,70%+0,36%
fev/2006338,128+0,01%+0,93%+1,45%
jan/2006338,083+0,92%+0,92%+1,74%
2005
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2005335,006-0,01%+1,21%+1,21%
nov/2005335,033+0,40%+1,22%+1,96%
out/2005333,694+0,60%+0,81%+2,38%
set/2005331,690-0,53%+0,21%+2,17%
ago/2005333,474-0,65%+0,75%+3,43%
jul/2005335,663-0,34%+1,41%+5,38%
jun/2005336,801-0,44%+1,75%+7,12%
mai/2005338,299-0,22%+2,20%+9,08%
abr/2005339,030+0,86%+2,42%+10,74%
mar/2005336,123+0,85%+1,55%+11,12%
fev/2005333,288+0,30%+0,69%+11,43%
jan/2005332,298+0,39%+0,39%+11,87%
2004
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2004331,005+0,74%+12,41%+12,41%
nov/2004328,588+0,82%+11,59%+12,28%
out/2004325,925+0,39%+10,69%+11,91%
set/2004324,651+0,69%+10,25%+11,90%
ago/2004322,412+1,22%+9,49%+12,44%
jul/2004318,532+1,31%+8,18%+11,51%
jun/2004314,419+1,38%+6,78%+9,61%
mai/2004310,152+1,31%+5,33%+7,04%
abr/2004306,151+1,21%+3,97%+5,38%
mar/2004302,484+1,13%+2,73%+5,08%
fev/2004299,097+0,69%+1,58%+5,50%
jan/2004297,039+0,88%+0,88%+7,17%
2003
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2003294,455+0,61%+8,71%+8,71%
nov/2003292,657+0,49%+8,04%+12,09%
out/2003291,229+0,38%+7,52%+17,34%
set/2003290,127+1,18%+7,11%+21,42%
ago/2003286,735+0,38%+5,86%+22,88%
jul/2003285,649-0,42%+5,46%+25,25%
jun/2003286,843-1,00%+5,90%+28,23%
mai/2003289,747-0,26%+6,97%+31,53%
abr/2003290,512+0,92%+7,25%+32,97%
mar/2003287,855+1,53%+6,27%+32,48%
fev/2003283,506+2,28%+4,67%+30,60%
jan/2003277,173+2,33%+2,33%+27,76%
2002
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2002270,867+3,75%+25,31%+25,31%
nov/2002261,080+5,19%+20,78%+21,05%
out/2002248,199+3,87%+14,82%+16,34%
set/2002238,943+2,40%+10,54%+13,32%
ago/2002233,348+2,32%+7,95%+11,01%
jul/2002228,057+1,95%+5,50%+9,99%
jun/2002223,688+1,54%+3,48%+9,48%
mai/2002220,292+0,83%+1,91%+8,88%
abr/2002218,486+0,56%+1,07%+8,92%
mar/2002217,276+0,09%+0,51%+9,40%
fev/2002217,074+0,06%+0,42%+9,92%
jan/2002216,944+0,36%+0,36%+10,10%
2001
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2001216,163+0,22%+10,38%+10,38%
nov/2001215,685+1,10%+10,14%+10,84%
out/2001213,339+1,18%+8,94%+9,95%
set/2001210,853+0,31%+7,67%+9,08%
ago/2001210,211+1,38%+7,35%+10,01%
jul/2001207,341+1,48%+5,88%+11,09%
jun/2001204,310+0,98%+4,33%+11,19%
mai/2001202,324+0,86%+3,32%+11,05%
abr/2001200,591+1,00%+2,43%+10,44%
mar/2001198,606+0,56%+1,42%+9,60%
fev/2001197,491+0,23%+0,85%+9,15%
jan/2001197,045+0,62%+0,62%+9,29%
2000
MêsNúmero-índiceNo mêsNo ano12 meses
dez/2000195,827+0,63%+9,95%+9,95%
nov/2000194,599+0,29%+9,26%+11,24%
out/2000194,040+0,38%+8,95%+13,57%
set/2000193,297+1,16%+8,53%+15,06%
ago/2000191,087+2,39%+7,29%+15,39%
jul/2000186,634+1,57%+4,79%+14,46%
jun/2000183,745+0,85%+3,17%+14,43%
mai/2000182,189+0,31%+2,30%+13,87%
abr/2000181,635+0,23%+1,99%+13,20%
mar/2000181,214+0,15%+1,75%+13,74%
fev/2000180,935+0,35%+1,59%+16,78%
jan/2000180,301+1,24%+1,24%+20,58%
1999
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1999178,099+1,81%+20,10%+20,10%
nov/1999174,939+2,39%+17,97%+18,50%
out/1999170,861+1,70%+15,22%+15,37%
set/1999167,997+1,45%+13,29%+13,52%
ago/1999165,603+1,56%+11,67%+11,81%
jul/1999163,060+1,55%+9,96%+9,92%
jun/1999160,573+0,36%+8,28%+8,07%
mai/1999159,996-0,29%+7,89%+8,09%
abr/1999160,459+0,71%+8,21%+8,55%
mar/1999159,325+2,83%+7,44%+7,92%
fev/1999154,933+3,61%+4,48%+5,14%
jan/1999149,533+0,84%+0,84%+1,66%
1998
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1998148,291+0,45%+1,78%+1,78%
nov/1998147,628-0,32%+1,33%+2,18%
out/1998148,100+0,08%+1,65%+3,16%
set/1998147,984-0,08%+1,57%+3,45%
ago/1998148,109-0,16%+1,66%+4,04%
jul/1998148,339-0,17%+1,81%+4,30%
jun/1998148,588+0,38%+1,99%+4,57%
mai/1998148,021+0,14%+1,60%+4,95%
abr/1998147,821+0,13%+1,46%+5,03%
mar/1998147,635+0,19%+1,33%+5,61%
fev/1998147,356+0,18%+1,14%+6,62%
jan/1998147,091+0,96%+0,96%+6,89%
1997
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1997145,695+0,84%+7,74%+7,74%
nov/1997144,481+0,64%+6,84%+7,63%
out/1997143,567+0,37%+6,17%+7,16%
set/1997143,042+0,48%+5,78%+6,97%
ago/1997142,353+0,09%+5,27%+6,56%
jul/1997142,221+0,09%+5,17%+6,76%
jun/1997142,090+0,74%+5,08%+8,10%
mai/1997141,040+0,21%+4,30%+8,39%
abr/1997140,742+0,68%+4,08%+9,84%
mar/1997139,795+1,15%+3,38%+9,46%
fev/1997138,204+0,43%+2,20%+8,65%
jan/1997137,613+1,77%+1,77%+9,24%
1996
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1996135,225+0,73%+9,20%+9,20%
nov/1996134,242+0,20%+8,41%+9,18%
out/1996133,978+0,19%+8,19%+10,27%
set/1996133,722+0,10%+7,99%+10,63%
ago/1996133,587+0,28%+7,88%+9,74%
jul/1996133,213+1,35%+7,57%+11,84%
jun/1996131,445+1,02%+6,15%+12,36%
mai/1996130,121+1,55%+5,08%+13,97%
abr/1996128,130+0,32%+3,47%+12,87%
mar/1996127,715+0,40%+3,13%+14,87%
fev/1996127,202+0,97%+2,72%+15,70%
jan/1996125,977+1,73%+1,73%+16,17%
1995
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1995123,833+0,71%+15,25%+15,25%
nov/1995122,955+1,20%+14,43%+15,39%
out/1995121,503+0,52%+13,08%+17,28%
set/1995120,869-0,71%+12,49%+18,79%
ago/1995121,729+2,20%+13,29%+21,73%
jul/1995119,114+1,82%+10,86%
jun/1995116,984+2,46%+8,87%
mai/1995114,171+0,58%+6,26%
abr/1995113,518+2,10%+5,65%
mar/1995111,178+1,12%+3,47%
fev/1995109,945+1,39%+2,32%
jan/1995108,442+0,92%+0,92%
1994
MêsNúmero-índiceNo mêsNo ano12 meses
dez/1994107,450+0,84%+0,84%
nov/1994106,553+2,85%+2,85%
out/1994103,602+1,82%+1,82%
set/1994101,751+1,75%+1,75%
ago/1994100,0000,00%0,00%
Fonte: FGV, via Sistema Gerenciador de Séries Temporais (SGS) do Banco Central do Brasil. O número-índice usa a mesma base oficial divulgada pelo órgão de origem. Pequenas diferenças de centésimos podem ocorrer em relação à publicação oficial, pois a API do Banco Central só fornece a variação mensal com 2 casas decimais. Para atualizar valores de contratos e laudos, use a calculadora de correção monetária.