Spero Therapeutics, Inc. (SPRO) NASDAQ

Currency In USD

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SPRO Historical Return

If you invested $1000 in Spero Therapeutics, Inc. (SPRO) since IPO date, it would be worth $185.65 as of July 13, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $148.88, while $1000 invested 1 year ago would be worth $808.71. This corresponds to total returns of -81.43%, -85.11%, -19.13%, respectively, with annualized returns of -17.6%, -31.66%, -19.13%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

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SPRO Historical Data

Date Range:

DateOpenCloseAdj CloseHighLowVolume
July 13, 20262.112.182.182.192.07703,476
July 10, 20262.122.12.12.162.05480,934
July 09, 20262.192.122.122.192.12369,166
July 08, 20262.142.172.172.232.13303,907
July 07, 20262.162.162.162.192.12877,693
July 06, 20262.172.192.192.212.15355,231
July 02, 20262.232.22.22.282.15629,507
July 01, 20262.212.222.222.272.21397,474
June 30, 20262.262.212.212.292.2433,558
June 29, 20262.262.262.262.332.25517,549
June 26, 20262.032.262.262.332.012.22M
June 25, 20262.122.022.022.132.021.14M
June 24, 20262.152.12.12.232.1887,736
June 23, 20262.162.152.152.232.15605,520
June 22, 20262.282.212.212.362.162.23M
June 18, 20262.512.282.282.512.157.15M
June 17, 20262.872.112.113.051.9511.04M
June 16, 20262.942.772.772.982.751.43M
June 15, 20262.932.912.912.972.85932,530
June 12, 20262.722.852.852.852.7623,660
June 11, 20262.552.72.72.762.481.16M
June 10, 20262.622.542.542.642.51758,307
June 09, 20262.782.572.572.812.521.13M
June 08, 20262.842.742.742.872.73647,636
June 05, 202632.822.8232.760
June 04, 20262.792.982.983.072.781.02M
June 03, 20262.852.82.82.872.77770,220
June 02, 20262.812.832.832.872.76605,758
June 01, 20262.832.832.832.892.79646,187
May 29, 20262.922.832.832.922.751.34M
May 28, 20262.932.92.932.9790,854
May 27, 20262.862.932.933.082.811.77M
May 26, 20262.82.862.862.952.771.51M
May 22, 20262.712.762.762.852.69545,468
May 21, 20262.632.692.692.712.56433,184
May 20, 20262.592.632.632.652.55319,553
May 19, 20262.522.592.592.622.5316,359
May 18, 20262.772.582.582.792.57917,113
May 15, 20262.712.792.792.892.69936,322
May 14, 20262.442.762.762.762.371.61M
May 13, 20262.562.442.442.562.42673,441
May 12, 20262.512.542.542.562.48350,639
May 11, 20262.622.552.552.672.54421,174
May 08, 20262.522.562.562.582.49355,452
May 07, 20262.542.512.512.622.5566,248
May 06, 20262.472.532.532.572.44617,434
May 05, 20262.512.422.422.592.41505,587
May 04, 20262.52.52.52.612.46461,938
May 01, 20262.542.482.482.632.48464,224
April 30, 20262.52.512.512.582.5363,622
April 29, 20262.652.532.532.662.47828,444
April 28, 20262.682.672.672.732.67219,059
April 27, 20262.742.672.672.752.67313,109
April 24, 20262.822.742.742.822.74346,029
April 23, 20262.862.82.82.912.79296,732
April 22, 20262.842.862.862.932.84317,797
April 21, 20262.822.82.82.822.74263,492
April 20, 20262.732.842.842.862.71386,233
April 17, 20262.712.752.752.782.65381,043
April 16, 20262.642.682.682.712.62550,499
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