NASDAQ:QUBT | Historical Stock Price | Quantum Computing Inc.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2007-02-01 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.19$1.47$11.36$87.82$679.01$5,250.002007-02-012026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2009

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2009-12-31$184.00$184.0052
2009-12-30$190.00$190.0038
2009-12-29$216.00$216.0035
2009-12-28$210.00$210.00150
2009-12-24$210.00$210.000
2009-12-23$210.00$210.0057
2009-12-22$210.00$210.008
2009-12-21$190.00$190.0012
2009-12-18$240.00$240.00156
2009-12-17$188.00$188.0036
2009-12-16$172.00$172.0083
2009-12-15$200.00$200.0016
2009-12-14$210.00$210.0020
2009-12-11$210.00$210.000
2009-12-10$210.00$210.00135
2009-12-09$222.00$222.0032
2009-12-08$220.00$220.000
2009-12-07$220.00$220.0096
2009-12-04$210.00$210.0015
2009-12-03$220.00$220.0048
2009-12-02$220.00$220.0040
2009-12-01$222.00$222.0067
2009-11-30$210.00$210.0079
2009-11-27$240.00$240.0054
2009-11-25$240.00$240.0037
2009-11-24$250.00$250.005
2009-11-23$250.00$250.0031
2009-11-20$250.00$250.00162
2009-11-19$248.00$248.00106
2009-11-18$240.00$240.00165
2009-11-17$258.00$258.0066
2009-11-16$264.00$264.0056
2009-11-13$268.00$268.0093
2009-11-12$270.00$270.0029
2009-11-11$268.00$268.0073
2009-11-10$244.00$244.0074
2009-11-09$240.00$240.00218
2009-11-06$276.00$276.0078
2009-11-05$270.00$270.00145
2009-11-04$278.00$278.0077
2009-11-03$272.00$272.0097
2009-11-02$284.00$284.00101
2009-10-30$290.00$290.0070
2009-10-29$284.00$284.008
2009-10-28$300.00$300.0056
2009-10-27$270.00$270.0066
2009-10-26$290.00$290.00274
2009-10-23$304.00$304.0081
2009-10-22$316.00$316.003
2009-10-21$316.00$316.00161
2009-10-20$320.00$320.0063
2009-10-19$338.00$338.0037
2009-10-16$358.00$358.0019
2009-10-15$360.00$360.0072
2009-10-14$362.00$362.00120
2009-10-13$340.00$340.00208
2009-10-12$360.00$360.0011
2009-10-09$350.00$350.0078
2009-10-08$368.00$368.00428
2009-10-07$330.00$330.00112
2009-10-06$300.00$300.0023
2009-10-05$300.00$300.0020
2009-10-02$298.00$298.00159
2009-10-01$290.00$290.0054
2009-09-30$298.00$298.0031
2009-09-29$290.00$290.0091
2009-09-28$272.00$272.0018
2009-09-25$260.00$260.0026
2009-09-24$274.00$274.002
2009-09-23$270.00$270.0040
2009-09-22$280.00$280.0019
2009-09-21$264.00$264.00140
2009-09-18$290.00$290.00106
2009-09-17$276.00$276.0053
2009-09-16$264.00$264.0048
2009-09-15$276.00$276.0036
2009-09-14$270.00$270.0014
2009-09-11$260.00$260.00112
2009-09-10$266.00$266.0024
2009-09-09$266.00$266.0053
2009-09-08$280.00$280.0057
2009-09-04$290.00$290.00110
2009-09-03$280.00$280.0054
2009-09-02$270.00$270.0085
2009-09-01$260.00$260.00160
2009-08-31$280.00$280.00128
2009-08-28$300.00$300.00193
2009-08-27$292.00$292.0014
2009-08-26$294.00$294.0035
2009-08-25$286.00$286.0027
2009-08-24$280.00$280.0033
2009-08-21$298.00$298.0055
2009-08-20$310.00$310.0085
2009-08-19$300.00$300.00137
2009-08-18$290.00$290.0047
2009-08-17$278.00$278.00163
2009-08-14$290.00$290.00184
2009-08-13$284.00$284.0019
2009-08-12$280.00$280.0071
2009-08-11$300.00$300.0058
2009-08-10$300.00$300.0077
2009-08-07$288.00$288.00207
2009-08-06$320.00$320.00180
2009-08-05$320.00$320.00169
2009-08-04$283.00$283.00272
2009-08-03$290.00$290.00107
2009-07-31$280.00$280.0017
2009-07-30$280.00$280.0067
2009-07-29$290.00$290.0017
2009-07-28$290.00$290.0037
2009-07-27$290.00$290.0077
2009-07-24$276.00$276.0028
2009-07-23$280.00$280.0033
2009-07-22$280.00$280.005
2009-07-21$262.00$262.0076
2009-07-20$280.00$280.0023
2009-07-17$276.00$276.0054
2009-07-16$280.00$280.0057
2009-07-15$240.00$240.0028
2009-07-14$300.00$300.00255
2009-07-13$310.00$310.0025
2009-07-10$320.00$320.0051
2009-07-09$300.00$300.0021
2009-07-08$290.00$290.00202
2009-07-07$318.00$318.0024
2009-07-06$330.00$330.0033
2009-07-02$354.00$354.0087
2009-07-01$334.00$334.00153
2009-06-30$330.00$330.00191
2009-06-29$320.00$320.0031
2009-06-26$350.00$350.00199
2009-06-25$320.00$320.00171
2009-06-24$362.00$362.007
2009-06-23$398.00$398.00120
2009-06-22$380.00$380.00107
2009-06-19$410.00$410.001
2009-06-18$394.00$394.0043
2009-06-17$400.00$400.0010
2009-06-16$396.00$396.0043
2009-06-15$400.00$400.0090
2009-06-12$424.00$424.0058
2009-06-11$430.00$430.00189
2009-06-10$412.00$412.0071
2009-06-09$440.00$440.00124
2009-06-08$470.00$470.0087
2009-06-05$430.00$430.00107
2009-06-04$460.00$460.00201
2009-06-03$440.00$440.0057
2009-06-02$442.00$442.0080
2009-06-01$440.00$440.00133
2009-05-29$430.00$430.0094
2009-05-28$452.00$452.0034
2009-05-27$440.00$440.0086
2009-05-26$444.00$444.00169
2009-05-22$394.00$394.0078
2009-05-21$440.00$440.0019
2009-05-20$410.00$410.0091
2009-05-19$420.00$420.00206
2009-05-18$370.00$370.00247
2009-05-15$364.00$364.004
2009-05-14$364.00$364.0088
2009-05-13$338.00$338.00377
2009-05-12$320.00$320.0062
2009-05-11$300.00$300.0048
2009-05-08$292.00$292.0061
2009-05-07$290.00$290.0043
2009-05-06$286.00$286.0036
2009-05-05$280.00$280.00108
2009-05-04$240.00$240.008
2009-05-01$280.00$280.00110
2009-04-30$250.00$250.0054
2009-04-29$230.00$230.0088
2009-04-28$230.00$230.0026
2009-04-27$250.00$250.0055
2009-04-24$250.00$250.0020
2009-04-23$250.00$250.00133
2009-04-22$270.00$270.0039
2009-04-21$300.00$300.0052
2009-04-20$254.00$254.0024
2009-04-17$240.00$240.0019
2009-04-16$280.00$280.0032
2009-04-15$360.00$360.0067
2009-04-14$360.00$360.0045
2009-04-13$350.00$350.0012
2009-04-09$338.00$338.003
2009-04-08$322.00$322.000
2009-04-07$322.00$322.000
2009-04-06$322.00$322.0020
2009-04-03$320.00$320.0029
2009-04-02$350.00$350.0036
2009-04-01$300.00$300.006
2009-03-31$360.00$360.001
2009-03-30$380.00$380.0038
2009-03-27$250.00$250.0075
2009-03-26$260.00$260.002
2009-03-25$240.00$240.007
2009-03-24$298.00$298.0038
2009-03-23$230.00$230.0018
2009-03-20$300.00$300.0089
2009-03-19$300.00$300.002
2009-03-18$210.00$210.000
2009-03-17$210.00$210.0042
2009-03-16$210.00$210.0036
2009-03-13$204.00$204.000
2009-03-12$204.00$204.0037
2009-03-11$206.00$206.0035
2009-03-10$204.00$204.0026
2009-03-09$210.00$210.000
2009-03-06$210.00$210.0031
2009-03-05$220.00$220.00204
2009-03-04$220.00$220.00261
2009-03-03$200.00$200.0083
2009-03-02$200.00$200.0045
2009-02-27$210.00$210.0041
2009-02-26$202.00$202.00251
2009-02-25$200.00$200.001
2009-02-24$200.00$200.0073
2009-02-23$200.00$200.000
2009-02-20$200.00$200.0015
2009-02-19$200.00$200.0025
2009-02-18$200.00$200.0034
2009-02-17$214.00$214.0015
2009-02-13$200.00$200.005
2009-02-12$214.00$214.003
2009-02-11$204.00$204.0017
2009-02-10$204.00$204.0010
2009-02-09$200.00$200.0011
2009-02-06$200.00$200.000
2009-02-05$200.00$200.0050
2009-02-04$218.00$218.0010
2009-02-03$210.00$210.005
2009-02-02$228.00$228.002
2009-01-30$200.00$200.000
2009-01-29$200.00$200.005
2009-01-28$238.00$238.000
2009-01-27$238.00$238.000
2009-01-26$238.00$238.00191
2009-01-23$248.00$248.000
2009-01-22$248.00$248.000
2009-01-21$248.00$248.0041
2009-01-20$250.00$250.000
2009-01-16$250.00$250.001
2009-01-15$260.00$260.005
2009-01-14$260.00$260.000
2009-01-13$260.00$260.0015
2009-01-12$280.00$280.0018
2009-01-09$286.00$286.0022
2009-01-08$280.00$280.001
2009-01-07$280.00$280.006
2009-01-06$280.00$280.003
2009-01-05$280.00$280.0042
2009-01-02$280.00$280.007