3.5.1 Cotizaciones del dólar de Estados Unidos de América en el mercado nacional
En sucres
PERIODO MERCADO LIBRE MERCADO DE INTERVENCION (3) PERIODO MERCADO LIBRE MERCADO DE INTERVENCION (3)
INTERBANCARIO (1) TOTAL SISTEMA FINANCIERO (2) Promedio del período Final del período INTERBANCARIO (1) TOTAL SISTEMA FINANCIERO (2) Promedio del período Final del período
Promedio del período Final del período Promedio del período Final del período Compra Venta Compra Venta Promedio del período Final del período Promedio del período Final del período Compra Venta Compra Venta
Compra Venta Compra Venta Compra Venta Compra Venta Compra Venta Compra Venta Compra Venta Compra Venta
                            
                            
198027.4127.9727.9428.4627.5927.7827.8827.8826.7527.1526.7527.15  1997 Enero3674.553675.183704.003704.003671.783672.813702.063704.363585.093658.303611.003685.00  
198130.5631.2532.8733.7230.5830.8132.8932.8927.5827.8730.7230.77           Febrero3737.353738.533761.003763.003737.463739.573756.793761.123647.753722.253666.003741.00  
198250.3151.0364.5865.1649.3450.0962.5562.5530.0034.1130.0035.30           Marzo3783.653784.353800.003801.003782.813784.113801.183804.813700.143775.673718.003794.00  
198383.2084.7886.8888.7883.2084.7986.8886.8882.3683.2287.0087.90           Abril3831.733832.643870.003871.003833.213834.083869.193870.733741.323817.683779.003856.00  
198496.7598.69116.93119.2896.6798.65117.68117.6891.5592.7095.0096.50           Mayo3896.103897.103911.003912.003896.673898.223910.493912.823805.593883.273823.003901.00  
1985116.29117.24123.82126.37115.52116.29124.84125.2395.0096.5095.0096.50           Junio3952.143953.383988.003989.003952.963954.853986.603990.063859.573938.103891.003970.00  
1986150.85151.40144.25147.25148.08148.51144.85147.25122.08123.45146.00147.00           Julio4016.264017.044044.004045.004017.944018.904042.914045.753921.044001.043955.004036.00  
1987193.23193.80245.59249.13193.23193.80245.75248.75169.97170.97221.00222.00           Agosto4087.144088.144107.004108.004086.054088.244104.804110.903991.674073.144012.004094.00  
1988435.03436.19498.32512.83435.03436.19500.00512.50294.34308.88410.88454.13           Septiembre4127.954128.824141.004142.004128.914130.394139.964142.254039.914122.454054.004137.00  
1989567.24568.18653.53664.50567.24568.18656.00668.10510.91542.09642.00654.84           Octubre4193.864195.324263.004264.004194.954194.894262.144263.714085.304168.744128.004212.00  
1990821.14821.91883.70898.10821.14821.91883.50899.50760.30775.51869.50886.89           Noviembre4279.684280.954328.004329.004276.774277.904327.524327.094177.504262.754194.004280.00  
19911099.461100.851290.771310.251099.461100.851280.501301.501039.621060.421258.001283.16           Diciembre4391.954394.144425.004428.004392.834393.584432.794437.444285.964373.434349.004438.00  
19921573.761598.021843.501846.201586.351587.721843.501846.941529.631576.871700.002000.00               
19931918.581919.342044.002046.001916.911919.412040.842043.781705.921989.441779.002029.00  1998 Enero4497.054498.904527.004527.004497.254498.554526.574526.514385.594475.274403.004493.00  
19942196.242197.222268.002270.002195.772197.782277.172279.691975.022192.722251.002297.00           Febrero4536.674537.674550.004551.004536.694537.654547.964551.604442.754533.754449.004540.00  
19952563.772565.222922.002925.002563.942566.002924.502926.052501.062552.082864.002922.00           Marzo4659.054661.594886.004887.004658.044658.394884.934885.514507.644599.684679.004774.00  
19963188.763190.193634.003635.003189.513191.343631.743633.853112.953176.553554.003627.00           Abril4958.864961.865072.005076.004956.704960.005063.545072.944808.714906.674923.005023.00  
19973997.703998.804425.004428.003997.703998.964432.794437.443903.403983.074349.004438.00           Mayo5149.305152.005223.005227.005147.655150.825222.235228.295008.505110.505054.005157.00  
19985436.725446.446765.006825.005438.195442.806761.246770.425294.855402.946391.006521.00           Junio5232.415236.555272.005275.005232.365235.625264.475272.545120.185224.825172.005278.00  
199911649.2611786.8019858.0020243.0011658.8311729.1019525.8919917.1411316.8411547.8217921.0018287.00           Julio5296.655300.435357.005361.005298.945301.805353.495354.805182.435288.435174.005280.00  
                        Agosto5426.605431.405471.005485.005427.915432.235482.705488.035283.705391.555384.005494.00  
1995 Enero2344.732346.592374.002376.002346.362348.912373.342375.852277.362324.002331.002379.00           Septiembre5877.185899.366211.006255.005877.735886.846185.956223.585608.865723.146013.006136.00  
          Febrero2388.502391.402414.002416.002387.832390.872410.822415.382336.252383.752361.002409.00           Octubre6614.336642.246707.006740.006619.506619.886736.006745.566388.196518.626680.006816.00  
          Marzo2406.432407.742417.002418.002406.152408.712415.772419.422358.612406.612369.002417.00           Noviembre6417.216442.376449.006463.006430.526449.106462.456459.726381.846512.006356.006486.00  
          Abril2431.582432.742454.002455.002432.272433.482453.612454.642374.752423.002388.002437.00           Diciembre6575.386592.906765.006825.006574.996582.736761.246770.426419.766550.906391.006521.00  
          Mayo2456.712457.672473.002474.002456.472458.452471.752474.202406.332455.332410.002459.00               
          Junio2528.552530.592586.002586.002531.232532.872582.442584.452454.322504.232508.002559.00  1999 Enero7112.457133.107245.007260.007114.427124.287232.127239.896869.117009.256977.007119.00  
          Julio2573.902575.332577.002579.002573.712575.352575.642578.452524.572576.102526.002578.00          Febrero7759.357807.299252.009349.007752.307762.349135.659215.487251.357399.247516.007669.00  
          Agosto2592.182593.412616.002616.002591.352594.512613.892616.632532.302584.482556.002609.00          Marzo10224.8910754.339971.0010067.0010420.6010530.2610017.1210111.5210283.6510493.5710828.0011049.00  
          Septiembre2631.142632.052656.002657.002631.292632.582654.982657.402571.952624.482577.002630.00          Abril9366.299430.008994.009024.009388.119425.059010.119031.699539.439734.248890.009071.00  
          Octubre2676.622677.672735.002739.002679.532680.742729.182732.452611.772664.862627.002681.00          Mayo8932.308968.959312.009377.008954.029000.549318.529349.878705.108882.909387.009579.00  
          Noviembre2820.402822.352896.002896.002815.572817.672894.022896.932716.092771.732822.002880.00          Junio10837.4510923.1811124.0011236.0010823.6710842.1811157.8011201.2210261.0910470.7311667.0011905.00  
          Diciembre2914.532915.052922.002925.002915.512917.872924.502926.052848.432906.432864.002922.00          Julio11667.1411723.0011590.0011651.0011674.9411716.1011546.0911625.2011471.3211705.4511412.0011645.00  
                       Agosto11133.2911197.2410831.0010913.0011174.5811189.0310979.3810924.0611127.3311354.2410849.0011070.00  
1996 Enero2922.912924.732958.002962.002923.212923.552957.822957.622865.352923.782861.002919.00          Septiembre12004.6412116.5013637.0013801.0012027.6812076.9413596.0013561.8611253.4511483.1412731.0012991.00  
          Febrero2949.422951.112978.002980.002949.432951.212976.892978.892883.192942.102890.002949.00          Octubre15442.4315656.8116428.0016558.0015279.5415530.7516375.4016602.5314649.8114948.6216091.0016419.00  
          Marzo3020.293021.243053.003053.003021.803023.723058.673062.182942.383002.572976.003037.00          Noviembre17314.5017525.4516867.0016978.0017314.1917411.2216855.0417005.1216991.6517338.4517495.0017852.00  
          Abril3069.953070.953087.003088.003070.933072.533086.913088.113002.323063.553013.003074.00          Diciembre17996.4518205.7719858.0020243.0017981.8718140.5619525.8919917.1417398.8217754.0517921.0018287.00  
          Mayo3115.143115.673126.003128.003115.373117.553124.993127.273041.703103.573062.003124.00               
          Junio3135.303136.503174.003174.003137.953138.823174.953177.583064.503127.253066.003129.00  2000 Enero24473.0524761.0025000.0025000.0024278.4424578.1024260.8424310.3323035.2423505.4824500.0025000.00  
          Julio3176.263177.303217.003217.003176.163178.023216.493218.433104.523167.873133.003197.00          Febrero24999.8625000.0025000.0025000.0024999.8625000.0025000.0025000.0024500.0025000.0024500.0025000.00  
          Agosto3266.413268.863277.003279.003269.213272.413276.293280.163185.953251.093226.003292.00          Marzo 1 -1225000.0025000.0025000.0025000.0024448.1725025.8524838.5124997.5124500.0025000.0024500.0025000.00  
          Septiembre3292.763294.483306.003308.003293.473296.723305.023308.863226.673292.673225.003291.00          A partir de marzo 13 (1)25000.0025000.0025000.0025000.0025000.0025000.0025000.0025000.0025000.0025000.0025000.0025000.00  
          Octubre3320.593322.773331.003333.003321.063323.803328.023330.543247.833314.223265.003332.00               
          Noviembre3400.433401.953510.003511.003404.143405.563517.423521.433294.523362.003330.003398.00               
          Diciembre3595.653596.753634.003635.003591.433592.213631.743633.853496.503567.913554.003627.00               
(1) De acuerdo al artículo 1 de la Ley para la Transformación Económica del Ecuador publicada en el R.O.No. 34, a partir del 13 de marzo de 2000, fecha de su publicación y por el plazo de 180 días se canjea un dólar de los Estados Unidos de América en  25,000 sucres, luego de lo cual el Banco Central de Ecuador no podrá realizar la emisión de nuevos sucres, salvo moneda fraccionaria. Este artículo elimina el concepto de cotización del sucre con respecto a la divisa estadounidense en el mercado de cambios nacional.
(2) Los datos desde 1987 hasta octubre de 1992 corresponden a encuestas realizadas por el Banco Central del Ecuador; a partir de esa fecha hasta el 10 de marzo de 2000 las cotizaciones corresponden a las registradas en la mesa de cambios.
(3) Incluye las transacciones realizadas en bancos, financieras y casas de cambio. 
(4) Según Regulaciones de Junta Monetaria No.858-93 de septiembre 1 de 1993 y No. 904-94 de 1 de noviembre de 1994, corresponde al tipo de cambio para las transacciones de compra-venta del Banco Central del Ecuador. 
FUENTE: Banco Central del Ecuador.