NYSE:BCHT | Historical Stock Price | Birchtech 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
2012-04-10 to 2026-09-04
Data captured

Stock Price Chart

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

$0.66$1.26$2.37$4.49$8.47$16.012012-04-102026-08-27

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

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Historical Stock Price — 2015

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2015-12-31$3.15$3.152,020
2015-12-30$3.10$3.104,120
2015-12-29$3.00$3.009,500
2015-12-28$2.80$2.802,680
2015-12-24$3.10$3.100
2015-12-23$3.10$3.1011,820
2015-12-22$2.95$2.953,840
2015-12-21$3.00$3.0013,220
2015-12-18$3.10$3.101,840
2015-12-17$3.10$3.1016,980
2015-12-16$2.75$2.758,420
2015-12-15$2.70$2.7010,960
2015-12-14$2.50$2.504,000
2015-12-11$2.60$2.602,820
2015-12-10$2.50$2.502,240
2015-12-09$2.60$2.602,360
2015-12-08$2.40$2.401,060
2015-12-07$2.40$2.403,320
2015-12-04$2.40$2.4023,400
2015-12-03$2.40$2.4018,460
2015-12-02$2.45$2.4522,040
2015-12-01$2.00$2.006,680
2015-11-30$2.00$2.0060
2015-11-27$1.90$1.906,400
2015-11-25$1.80$1.800
2015-11-24$1.80$1.8013,060
2015-11-23$1.85$1.852,520
2015-11-20$2.00$2.007,060
2015-11-19$1.90$1.901,940
2015-11-18$1.85$1.850
2015-11-17$1.85$1.85300
2015-11-16$1.75$1.751,740
2015-11-13$2.25$2.256,880
2015-11-12$1.85$1.85300
2015-11-11$2.05$2.050
2015-11-10$2.05$2.051,000
2015-11-09$2.20$2.20500
2015-11-06$2.20$2.201,700
2015-11-05$2.20$2.202,880
2015-11-04$2.25$2.251,300
2015-11-03$2.15$2.151,160
2015-11-02$1.95$1.951,600
2015-10-30$2.00$2.002,140
2015-10-29$2.15$2.15200
2015-10-28$2.10$2.10780
2015-10-27$2.00$2.004,660
2015-10-26$2.05$2.0511,280
2015-10-23$1.90$1.90900
2015-10-22$1.90$1.90160
2015-10-21$1.90$1.900
2015-10-20$1.90$1.900
2015-10-19$1.90$1.908,940
2015-10-16$2.00$2.002,120
2015-10-15$1.85$1.85200
2015-10-14$2.05$2.051,100
2015-10-13$1.70$1.701,500
2015-10-12$2.15$2.1524,020
2015-10-09$2.00$2.007,000
2015-10-08$1.95$1.958,260
2015-10-07$1.65$1.65440
2015-10-06$1.65$1.654,700
2015-10-05$1.65$1.651,120
2015-10-02$1.80$1.80600
2015-10-01$1.65$1.650
2015-09-30$1.65$1.651,460
2015-09-29$1.55$1.550
2015-09-28$1.55$1.552,100
2015-09-25$1.70$1.704,000
2015-09-24$1.70$1.70200
2015-09-23$1.70$1.7040
2015-09-22$1.45$1.4512,000
2015-09-21$1.70$1.702,940
2015-09-18$1.80$1.8080
2015-09-17$2.00$2.000
2015-09-16$2.00$2.00400
2015-09-15$1.80$1.80340
2015-09-14$1.80$1.80480
2015-09-11$2.10$2.100
2015-09-10$2.10$2.100
2015-09-09$2.10$2.100
2015-09-08$2.10$2.101,800
2015-09-04$1.80$1.803,100
2015-09-03$2.10$2.103,500
2015-09-02$1.90$1.9040
2015-09-01$2.00$2.001,000
2015-08-31$1.60$1.608,000
2015-08-28$1.55$1.554,220
2015-08-27$1.90$1.903,300
2015-08-26$1.90$1.900
2015-08-25$1.90$1.90800
2015-08-24$1.70$1.707,240
2015-08-21$1.75$1.751,640
2015-08-20$1.80$1.803,380
2015-08-19$1.95$1.9516,520
2015-08-18$1.65$1.658,960
2015-08-17$1.70$1.707,100
2015-08-14$2.00$2.007,140
2015-08-13$1.85$1.850
2015-08-12$1.85$1.853,600
2015-08-11$1.90$1.902,780
2015-08-10$1.90$1.90500
2015-08-07$1.85$1.852,500
2015-08-06$1.80$1.804,740
2015-08-05$1.75$1.753,080
2015-08-04$2.05$2.056,540
2015-08-03$2.00$2.001,500
2015-07-31$2.00$2.00160
2015-07-30$2.00$2.0020
2015-07-29$2.00$2.00160
2015-07-28$1.85$1.853,460
2015-07-27$2.00$2.002,960
2015-07-24$2.25$2.255,060
2015-07-23$2.45$2.45700
2015-07-22$2.25$2.254,300
2015-07-21$2.25$2.254,680
2015-07-20$2.45$2.4511,160
2015-07-17$2.25$2.254,800
2015-07-16$2.15$2.1536,880
2015-07-15$1.80$1.802,700
2015-07-14$1.65$1.652,360
2015-07-13$1.50$1.501,400
2015-07-10$1.45$1.455,540
2015-07-09$1.25$1.2514,000
2015-07-08$1.40$1.406,260
2015-07-07$1.35$1.357,000
2015-07-06$1.55$1.5518,060
2015-07-02$1.70$1.707,200
2015-07-01$1.75$1.754,180
2015-06-30$1.70$1.7095,320
2015-06-29$1.25$1.25206,520
2015-06-26$2.70$2.704,120
2015-06-25$2.70$2.702,320
2015-06-24$2.60$2.608,340
2015-06-23$2.50$2.502,980
2015-06-22$2.65$2.651,100
2015-06-19$2.65$2.656,940
2015-06-18$2.40$2.405,540
2015-06-17$2.35$2.359,040
2015-06-16$2.65$2.65760
2015-06-15$2.65$2.6560
2015-06-12$2.55$2.5560
2015-06-11$2.75$2.75100
2015-06-10$2.75$2.75720
2015-06-09$2.35$2.359,020
2015-06-08$2.35$2.3515,380
2015-06-05$2.80$2.80540
2015-06-04$2.90$2.90720
2015-06-03$2.95$2.951,600
2015-06-02$2.95$2.951,080
2015-06-01$2.95$2.954,140
2015-05-29$3.50$3.505,240
2015-05-28$2.75$2.75860
2015-05-27$2.75$2.751,820
2015-05-26$2.75$2.7513,800
2015-05-22$3.00$3.0011,700
2015-05-21$3.40$3.409,140
2015-05-20$3.25$3.2517,420
2015-05-19$2.75$2.7525,980
2015-05-18$3.20$3.206,280
2015-05-15$3.40$3.402,080
2015-05-14$3.45$3.452,160
2015-05-13$3.50$3.503,660
2015-05-12$3.65$3.6511,500
2015-05-11$3.65$3.6510,380
2015-05-08$3.50$3.502,040
2015-05-07$3.50$3.504,680
2015-05-06$3.25$3.258,360
2015-05-05$3.40$3.405,220
2015-05-04$3.45$3.4521,220
2015-05-01$3.35$3.3510,180
2015-04-30$3.35$3.3510,420
2015-04-29$3.60$3.605,120
2015-04-28$3.40$3.4017,220
2015-04-27$3.80$3.8027,280
2015-04-24$4.05$4.0534,300
2015-04-23$3.85$3.8536,660
2015-04-22$3.60$3.609,700
2015-04-21$3.50$3.501,840
2015-04-20$3.45$3.452,800
2015-04-17$3.50$3.501,920
2015-04-16$3.45$3.456,200
2015-04-15$3.10$3.106,900
2015-04-14$4.15$4.1529,580
2015-04-13$3.30$3.302,820
2015-04-10$3.30$3.30920
2015-04-09$3.45$3.451,380
2015-04-08$3.35$3.35640
2015-04-07$3.25$3.252,200
2015-04-06$3.25$3.253,180
2015-04-02$3.10$3.103,840
2015-04-01$3.15$3.152,400
2015-03-31$3.30$3.3013,920
2015-03-30$3.25$3.252,060
2015-03-27$3.25$3.250
2015-03-26$3.25$3.251,240
2015-03-25$3.45$3.45700
2015-03-24$3.45$3.458,620
2015-03-23$3.45$3.456,760
2015-03-20$3.45$3.453,100
2015-03-19$3.35$3.3532,580
2015-03-18$3.20$3.204,620
2015-03-17$3.05$3.056,140
2015-03-16$3.30$3.307,560
2015-03-13$3.50$3.509,440
2015-03-12$3.30$3.305,120
2015-03-11$3.50$3.5015,200
2015-03-10$3.50$3.5010,780
2015-03-09$3.50$3.502,880
2015-03-06$3.40$3.409,380
2015-03-05$3.40$3.4010,260
2015-03-04$3.30$3.308,580
2015-03-03$3.50$3.5051,520
2015-03-02$2.25$2.25540
2015-02-27$2.25$2.25200
2015-02-26$2.25$2.250
2015-02-25$2.25$2.251,540
2015-02-24$2.25$2.255,120
2015-02-23$2.35$2.352,920
2015-02-20$2.45$2.451,800
2015-02-19$2.50$2.504,440
2015-02-18$2.65$2.651,420
2015-02-17$2.65$2.655,260
2015-02-13$2.95$2.951,300
2015-02-12$2.80$2.804,280
2015-02-11$2.55$2.5580
2015-02-10$2.55$2.552,400
2015-02-09$2.40$2.40620
2015-02-06$2.25$2.251,040
2015-02-05$2.55$2.55620
2015-02-04$2.25$2.257,100
2015-02-03$2.40$2.40500
2015-02-02$2.50$2.50220
2015-01-30$2.40$2.401,260
2015-01-29$2.50$2.501,240
2015-01-28$2.50$2.501,200
2015-01-27$2.50$2.50200
2015-01-26$2.50$2.504,280
2015-01-23$2.30$2.301,340
2015-01-22$2.00$2.003,840
2015-01-21$2.50$2.50920
2015-01-20$2.75$2.7560
2015-01-16$2.75$2.751,280
2015-01-15$3.00$3.0040
2015-01-14$3.00$3.003,440
2015-01-13$2.50$2.5013,700
2015-01-12$2.50$2.500
2015-01-09$2.50$2.509,360
2015-01-08$3.00$3.007,080
2015-01-07$3.50$3.50400
2015-01-06$2.75$2.753,660
2015-01-05$3.05$3.050
2015-01-02$3.05$3.050