OTC:ABCP | Historical Stock Price | AmBase Corp

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
1985-09-05 to 2026-08-27
Data captured

Stock Price Chart

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

$0.07$0.23$0.76$2.58$8.76$29.661985-09-052026-08-27

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

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Historical Stock Price — 1989

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
1989-12-29$12.38$12.3775,300
1989-12-28$12.13$12.1362,400
1989-12-27$12.50$12.5032,500
1989-12-26$12.38$12.37116,200
1989-12-22$11.75$11.7547,200
1989-12-21$11.63$11.6371,600
1989-12-20$11.00$11.00486,900
1989-12-19$10.88$10.87113,500
1989-12-18$11.75$11.7591,200
1989-12-15$12.13$12.1362,500
1989-12-14$12.63$12.6373,300
1989-12-13$13.38$13.3786,800
1989-12-12$13.50$13.5060,100
1989-12-11$13.50$13.5046,800
1989-12-08$13.63$13.6343,800
1989-12-07$13.50$13.5028,700
1989-12-06$13.63$13.6364,300
1989-12-05$13.63$13.6399,900
1989-12-04$13.63$13.6348,700
1989-12-01$13.75$13.7538,800
1989-11-30$13.50$13.5047,800
1989-11-29$13.00$13.00129,300
1989-11-28$13.13$13.13127,000
1989-11-27$13.38$13.3732,800
1989-11-24$13.50$13.5020,700
1989-11-22$13.63$13.6318,300
1989-11-21$13.38$13.3714,600
1989-11-20$13.50$13.5011,700
1989-11-17$13.38$13.3716,500
1989-11-16$13.25$13.2524,800
1989-11-15$13.25$13.2521,000
1989-11-14$13.25$13.2550,700
1989-11-13$13.00$13.0067,900
1989-11-10$12.88$12.8774,800
1989-11-09$12.88$12.8746,400
1989-11-08$13.13$13.1382,400
1989-11-07$12.63$12.6396,600
1989-11-06$12.88$12.8749,200
1989-11-03$13.75$13.7577,800
1989-11-02$13.75$13.7540,900
1989-11-01$14.00$14.0031,600
1989-10-31$14.00$14.0032,600
1989-10-30$14.13$14.1342,300
1989-10-27$14.13$14.1335,400
1989-10-26$14.00$14.0097,000
1989-10-25$14.50$14.5029,500
1989-10-24$14.38$14.3727,700
1989-10-23$14.50$14.5070,600
1989-10-20$15.00$15.0035,600
1989-10-19$15.13$15.1255,700
1989-10-18$14.63$14.6345,600
1989-10-17$14.88$14.8795,000
1989-10-16$15.13$15.12308,900
1989-10-13$15.38$15.3740,200
1989-10-12$15.75$15.7551,000
1989-10-11$15.75$15.7518,000
1989-10-10$15.63$15.6392,300
1989-10-09$16.00$16.0010,500
1989-10-06$16.00$16.00101,300
1989-10-05$15.75$15.7539,700
1989-10-04$15.63$15.6386,900
1989-10-03$15.75$15.75290,300
1989-10-02$15.38$15.37112,200
1989-09-29$15.50$15.5097,400
1989-09-28$15.63$15.63117,900
1989-09-27$15.13$15.1217,600
1989-09-26$15.38$15.3782,600
1989-09-25$15.38$15.3781,800
1989-09-22$15.63$15.6378,300
1989-09-21$15.63$15.6312,900
1989-09-20$15.88$15.8753,200
1989-09-19$16.00$16.00151,100
1989-09-18$16.13$16.13230,200
1989-09-15$15.88$15.87379,800
1989-09-14$15.75$15.75167,500
1989-09-13$16.00$16.00120,800
1989-09-12$16.00$16.0071,900
1989-09-11$15.75$15.7539,900
1989-09-08$15.88$15.8770,100
1989-09-07$15.63$15.6332,500
1989-09-06$15.75$15.7537,600
1989-09-05$15.88$15.8775,300
1989-09-01$15.75$15.7525,600
1989-08-31$15.75$15.75116,300
1989-08-30$15.88$15.8759,000
1989-08-29$15.88$15.8785,200
1989-08-28$15.88$15.8759,000
1989-08-25$16.00$16.0050,900
1989-08-24$16.00$16.0077,400
1989-08-23$16.00$16.0048,300
1989-08-22$15.88$15.8789,900
1989-08-21$15.88$15.8792,400
1989-08-18$16.13$16.1347,900
1989-08-17$16.38$16.37525,600
1989-08-16$16.00$16.0094,300
1989-08-15$15.75$15.7519,700
1989-08-14$15.75$15.7535,900
1989-08-11$16.00$16.00144,500
1989-08-10$16.00$16.00319,700
1989-08-09$15.63$15.63166,500
1989-08-08$15.50$15.50441,800
1989-08-07$15.75$15.752,795,100
1989-08-04$15.75$15.75196,200
1989-08-03$15.13$15.1258,200
1989-08-02$14.88$14.87100,000
1989-08-01$14.88$14.87113,300
1989-07-31$15.38$15.37184,500
1989-07-28$15.88$15.87299,400
1989-07-27$14.25$14.25125,000
1989-07-26$14.25$14.25161,800
1989-07-25$13.75$13.7537,600
1989-07-24$13.50$13.5034,800
1989-07-21$13.50$13.5047,700
1989-07-20$13.63$13.63201,600
1989-07-19$13.63$13.6334,400
1989-07-18$13.75$13.7519,900
1989-07-17$13.75$13.7522,400
1989-07-14$13.88$13.8759,000
1989-07-13$13.88$13.8728,900
1989-07-12$13.75$13.7546,600
1989-07-11$13.88$13.8760,900
1989-07-10$13.38$13.3757,300
1989-07-07$13.75$13.7537,300
1989-07-06$13.88$13.8735,200
1989-07-05$13.88$13.8726,000
1989-07-03$13.88$13.8759,700
1989-06-30$13.75$13.7586,900
1989-06-29$13.50$13.5024,100
1989-06-28$13.75$13.7531,500
1989-06-27$13.75$13.75160,200
1989-06-26$13.63$13.63109,600
1989-06-23$13.50$13.5045,400
1989-06-22$13.38$13.3732,000
1989-06-21$13.50$13.5055,600
1989-06-20$13.38$13.3717,300
1989-06-19$13.25$13.2517,300
1989-06-16$13.25$13.2510,500
1989-06-15$13.13$13.1340,700
1989-06-14$13.13$13.13457,200
1989-06-13$13.38$13.3728,600
1989-06-12$13.38$13.3727,400
1989-06-09$13.50$13.50145,500
1989-06-08$13.38$13.37183,400
1989-06-07$13.13$13.13192,700
1989-06-06$13.00$13.0036,900
1989-06-05$13.13$13.13166,200
1989-06-02$12.88$12.8748,300
1989-06-01$12.50$12.50121,500
1989-05-31$12.13$12.1381,200
1989-05-30$12.13$12.13165,400
1989-05-26$12.25$12.2524,200
1989-05-25$12.13$12.1359,400
1989-05-24$12.38$12.3758,600
1989-05-23$12.50$12.50181,000
1989-05-22$13.00$13.0046,300
1989-05-19$13.13$13.1354,400
1989-05-18$13.25$13.2524,000
1989-05-17$13.25$13.25127,400
1989-05-16$13.38$13.37165,900
1989-05-15$13.38$13.3765,800
1989-05-12$13.75$13.7558,300
1989-05-11$13.38$13.3751,100
1989-05-10$13.38$13.3715,100
1989-05-09$13.50$13.50110,300
1989-05-08$13.50$13.5080,200
1989-05-05$13.38$13.3797,500
1989-05-04$13.38$13.37108,700
1989-05-03$13.38$13.37100,500
1989-05-02$13.38$13.3773,900
1989-05-01$13.50$13.5016,400
1989-04-28$13.63$13.63106,800
1989-04-27$13.00$13.0097,500
1989-04-26$12.75$12.7535,800
1989-04-25$12.88$12.8761,700
1989-04-24$12.63$12.6345,600
1989-04-21$12.75$12.7544,200
1989-04-20$13.00$13.0044,800
1989-04-19$13.00$13.0045,600
1989-04-18$13.25$13.25721,700
1989-04-17$13.50$13.5029,400
1989-04-14$13.88$13.8735,300
1989-04-13$13.63$13.6331,000
1989-04-12$13.75$13.7531,000
1989-04-11$14.13$14.1323,400
1989-04-10$14.00$14.0026,600
1989-04-07$14.00$14.0010,800
1989-04-06$14.38$14.3785,300
1989-04-05$13.75$13.7535,400
1989-04-04$13.25$13.25254,000
1989-04-03$14.38$14.3780,600
1989-03-31$14.38$14.37103,400
1989-03-30$14.00$14.0057,200
1989-03-29$13.88$13.8725,200
1989-03-28$14.00$14.0029,900
1989-03-27$13.88$13.87213,700
1989-03-23$14.00$14.00148,300
1989-03-22$13.88$13.8728,100
1989-03-21$14.00$14.00200,200
1989-03-20$13.50$13.5031,500
1989-03-17$13.50$13.5071,100
1989-03-16$13.75$13.75351,800
1989-03-15$13.88$13.8737,400
1989-03-14$13.88$13.8771,300
1989-03-13$14.00$14.0016,500
1989-03-10$13.88$13.8741,300
1989-03-09$13.88$13.8743,200
1989-03-08$14.13$14.1333,600
1989-03-07$14.25$14.2572,000
1989-03-06$14.25$14.2567,500
1989-03-03$14.25$14.25174,300
1989-03-02$13.88$13.87191,300
1989-03-01$13.75$13.75230,300
1989-02-28$13.75$13.75121,300
1989-02-27$13.75$13.75324,200
1989-02-24$13.50$13.50399,100
1989-02-23$13.00$13.00256,900
1989-02-22$13.00$13.00172,700
1989-02-21$13.00$13.00245,500
1989-02-17$12.63$12.6329,400
1989-02-16$12.63$12.6329,000
1989-02-15$12.75$12.75101,000
1989-02-14$12.13$12.1349,400
1989-02-13$11.88$11.8740,600
1989-02-10$11.75$11.7593,900
1989-02-09$11.75$11.7563,100
1989-02-08$11.63$11.6353,200
1989-02-07$11.63$11.63106,900
1989-02-06$12.13$12.1329,200
1989-02-03$12.38$12.3727,400
1989-02-02$12.50$12.5041,600
1989-02-01$12.63$12.6391,100
1989-01-31$12.25$12.2545,900
1989-01-30$12.00$12.0030,500
1989-01-27$12.00$12.0068,900
1989-01-26$12.25$12.2572,700
1989-01-25$12.25$12.2579,100
1989-01-24$12.38$12.3732,100
1989-01-23$12.25$12.2547,200
1989-01-20$12.50$12.5024,700
1989-01-19$12.63$12.6330,000
1989-01-18$12.75$12.7529,800
1989-01-17$12.88$12.8716,900
1989-01-16$13.00$13.0055,400
1989-01-13$12.50$12.5065,700
1989-01-12$12.50$12.50121,000
1989-01-11$12.50$12.5081,700
1989-01-10$12.38$12.3763,400
1989-01-09$12.38$12.3758,900
1989-01-06$12.00$12.0040,300
1989-01-05$11.75$11.7570,100
1989-01-04$11.75$11.7589,600
1989-01-03$11.25$11.2539,500