OTC:PRPH | Historical Stock Price | ProPhase Labs, 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
1994-04-04 to 2026-08-27
Data captured

Stock Price Chart

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

$0.02$0.13$0.85$5.70$38.15$255.351994-04-042026-08-27

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

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Historical Stock Price — 1998

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
1998-12-31$55.31$55.3114,280
1998-12-30$55.94$55.9412,840
1998-12-29$56.25$56.2512,090
1998-12-28$56.25$56.2513,320
1998-12-24$58.13$58.1311,760
1998-12-23$57.50$57.508,210
1998-12-22$59.69$59.6910,020
1998-12-21$60.63$60.624,820
1998-12-18$62.81$62.814,910
1998-12-17$63.44$63.448,400
1998-12-16$65.00$65.0020,870
1998-12-15$63.75$63.756,310
1998-12-14$65.94$65.947,950
1998-12-11$68.44$68.446,900
1998-12-10$70.00$70.0013,040
1998-12-09$70.31$70.316,320
1998-12-08$70.94$70.9411,740
1998-12-07$72.19$72.1925,430
1998-12-04$67.50$67.503,560
1998-12-03$68.75$68.754,810
1998-12-02$69.06$69.066,420
1998-12-01$69.38$69.379,030
1998-11-30$68.13$68.124,420
1998-11-27$71.56$71.567,480
1998-11-25$68.44$68.444,930
1998-11-24$70.63$70.626,350
1998-11-23$70.00$70.008,320
1998-11-20$72.19$72.197,430
1998-11-19$71.25$71.256,860
1998-11-18$70.63$70.623,420
1998-11-17$70.63$70.626,980
1998-11-16$70.94$70.945,400
1998-11-13$70.00$70.007,440
1998-11-12$69.69$69.697,580
1998-11-11$67.50$67.503,460
1998-11-10$67.97$67.974,180
1998-11-09$67.81$67.813,090
1998-11-06$68.13$68.1213,380
1998-11-05$65.00$65.006,620
1998-11-04$65.31$65.3114,850
1998-11-03$68.13$68.129,860
1998-11-02$69.69$69.697,450
1998-10-30$68.75$68.7513,590
1998-10-29$73.75$73.756,310
1998-10-28$70.31$70.317,460
1998-10-27$69.38$69.375,870
1998-10-26$69.69$69.695,910
1998-10-23$71.56$71.567,370
1998-10-22$68.75$68.755,630
1998-10-21$68.75$68.758,980
1998-10-20$70.00$70.002,000
1998-10-19$71.25$71.251,810
1998-10-16$70.94$70.9413,320
1998-10-15$72.50$72.5025,650
1998-10-14$63.44$63.4425,410
1998-10-13$49.38$49.3713,530
1998-10-12$55.63$55.6214,810
1998-10-09$56.88$56.8815,780
1998-10-08$56.25$56.2510,870
1998-10-07$57.81$57.815,820
1998-10-06$58.13$58.1312,390
1998-10-05$60.00$60.0020,050
1998-10-02$59.38$59.3718,580
1998-10-01$66.88$66.876,600
1998-09-30$72.50$72.50800
1998-09-29$72.50$72.503,460
1998-09-28$75.00$75.001,260
1998-09-25$76.25$76.254,090
1998-09-24$76.25$76.257,250
1998-09-23$80.00$80.003,650
1998-09-22$81.88$81.873,460
1998-09-21$79.06$79.062,570
1998-09-18$79.38$79.371,840
1998-09-17$80.00$80.003,710
1998-09-16$81.56$81.566,330
1998-09-15$81.56$81.562,470
1998-09-14$80.00$80.0015,940
1998-09-11$81.88$81.873,390
1998-09-10$80.63$80.626,560
1998-09-09$82.50$82.504,300
1998-09-08$83.75$83.754,150
1998-09-04$83.75$83.754,340
1998-09-03$83.44$83.443,460
1998-09-02$83.44$83.446,140
1998-09-01$79.69$79.6916,840
1998-08-31$71.88$71.877,970
1998-08-28$75.00$75.008,300
1998-08-27$73.75$73.7512,520
1998-08-26$81.56$81.562,870
1998-08-25$85.00$85.002,010
1998-08-24$85.31$85.311,140
1998-08-21$85.94$85.948,680
1998-08-20$89.38$89.3711,200
1998-08-19$93.13$93.1218,410
1998-08-18$90.00$90.005,800
1998-08-17$86.25$86.258,040
1998-08-14$83.75$83.752,180
1998-08-13$82.50$82.507,790
1998-08-12$83.75$83.7510,300
1998-08-11$78.75$78.7512,830
1998-08-10$81.25$81.258,450
1998-08-07$79.69$79.6912,640
1998-08-06$75.00$75.004,010
1998-08-05$74.38$74.376,970
1998-08-04$75.00$75.007,730
1998-08-03$73.75$73.7514,680
1998-07-31$73.75$73.7519,070
1998-07-30$85.63$85.628,910
1998-07-29$88.13$88.122,190
1998-07-28$88.75$88.755,470
1998-07-27$90.00$90.009,390
1998-07-24$90.00$90.008,670
1998-07-23$90.00$90.0010,200
1998-07-22$90.00$90.0011,250
1998-07-21$90.00$90.0010,050
1998-07-20$85.00$85.009,000
1998-07-17$83.13$83.1213,380
1998-07-16$80.00$80.0050,350
1998-07-15$75.00$75.0011,430
1998-07-14$68.44$68.4413,550
1998-07-13$75.00$75.003,840
1998-07-10$76.25$76.251,730
1998-07-09$77.50$77.503,910
1998-07-08$80.00$80.008,600
1998-07-07$79.38$79.379,900
1998-07-06$76.25$76.255,370
1998-07-02$77.50$77.505,850
1998-07-01$78.75$78.7511,890
1998-06-30$71.25$71.2512,340
1998-06-29$67.50$67.5021,370
1998-06-26$68.75$68.7530,520
1998-06-25$71.56$71.569,320
1998-06-24$75.00$75.0058,100
1998-06-23$75.00$75.0041,690
1998-06-22$88.75$88.7518,230
1998-06-19$88.13$88.121,970
1998-06-18$88.13$88.125,050
1998-06-17$88.13$88.124,210
1998-06-16$88.75$88.757,930
1998-06-15$88.13$88.125,750
1998-06-12$91.88$91.877,060
1998-06-11$95.00$95.009,090
1998-06-10$96.25$96.257,250
1998-06-09$97.50$97.504,720
1998-06-08$96.88$96.87568,000
1998-06-05$97.50$97.509,750
1998-06-04$98.75$98.753,220
1998-06-03$99.06$99.067,800
1998-06-02$96.25$96.259,500
1998-06-01$96.25$96.255,950
1998-05-29$98.75$98.758,800
1998-05-28$99.38$99.3710,400
1998-05-27$101.88$101.8721,220
1998-05-26$106.88$106.8759,250
1998-05-22$113.13$113.12354,200
1998-05-21$100.00$100.0014,550
1998-05-20$96.25$96.254,510
1998-05-19$95.31$95.315,820
1998-05-18$95.63$95.624,100
1998-05-15$95.31$95.316,380
1998-05-14$95.31$95.3110,580
1998-05-13$95.00$95.002,820
1998-05-12$95.63$95.623,070
1998-05-11$95.31$95.318,600
1998-05-08$98.75$98.757,550
1998-05-07$100.00$100.008,350
1998-05-06$95.00$95.006,570
1998-05-05$95.00$95.003,200
1998-05-04$93.75$93.7510,110
1998-05-01$97.50$97.5013,220
1998-04-30$100.63$100.624,340
1998-04-29$100.63$100.624,770
1998-04-28$101.25$101.2510,780
1998-04-27$101.25$101.259,140
1998-04-24$102.50$102.5010,490
1998-04-23$97.50$97.5022,910
1998-04-22$87.50$87.5023,800
1998-04-21$95.00$95.007,970
1998-04-20$96.25$96.2510,200
1998-04-17$95.63$95.625,350
1998-04-16$96.25$96.254,410
1998-04-15$98.75$98.7513,420
1998-04-14$96.25$96.257,540
1998-04-13$100.63$100.625,070
1998-04-09$100.00$100.0010,480
1998-04-08$98.75$98.7517,640
1998-04-07$96.88$96.8724,450
1998-04-06$101.25$101.2515,290
1998-04-03$108.75$108.756,900
1998-04-02$110.63$110.629,800
1998-04-01$113.75$113.754,410
1998-03-31$112.50$112.5013,250
1998-03-30$110.00$110.006,670
1998-03-27$111.25$111.255,370
1998-03-26$112.50$112.504,820
1998-03-25$113.13$113.128,290
1998-03-24$111.25$111.2511,320
1998-03-23$117.50$117.5018,320
1998-03-20$127.50$127.5038,910
1998-03-19$125.00$125.0073,240
1998-03-18$104.38$104.3710,750
1998-03-17$105.00$105.0022,650
1998-03-16$106.25$106.2518,680
1998-03-13$109.38$109.379,750
1998-03-12$110.63$110.623,690
1998-03-11$110.00$110.005,270
1998-03-10$109.38$109.376,610
1998-03-09$112.50$112.5011,690
1998-03-06$106.88$106.8711,930
1998-03-05$111.25$111.257,660
1998-03-04$113.13$113.1213,030
1998-03-03$115.00$115.0030,530
1998-03-02$121.25$121.2524,040
1998-02-27$128.13$128.1210,750
1998-02-26$129.38$129.3710,050
1998-02-25$130.00$130.0015,740
1998-02-24$124.38$124.3839,100
1998-02-23$133.13$133.1280,750
1998-02-20$160.00$160.0016,880
1998-02-19$160.63$160.6241,040
1998-02-18$155.00$155.0045,150
1998-02-17$151.88$151.8748,000
1998-02-13$130.78$130.7812,730
1998-02-12$132.50$132.507,490
1998-02-11$129.38$129.3714,640
1998-02-10$131.25$131.2510,260
1998-02-09$126.25$126.2511,020
1998-02-06$120.63$120.626,070
1998-02-05$121.25$121.2518,670
1998-02-04$121.25$121.2513,400
1998-02-03$123.13$123.1211,890
1998-02-02$128.75$128.7511,380
1998-01-30$130.63$130.629,150
1998-01-29$129.38$129.373,000
1998-01-28$128.75$128.7518,510
1998-01-27$127.50$127.5020,910
1998-01-26$115.00$115.0025,340
1998-01-23$135.00$135.007,360
1998-01-22$135.00$135.0011,920
1998-01-21$133.75$133.757,680
1998-01-20$135.00$135.008,660
1998-01-16$136.88$136.8714,810
1998-01-15$137.50$137.509,220
1998-01-14$136.25$136.256,440
1998-01-13$140.00$140.005,240
1998-01-12$140.00$140.0013,260
1998-01-09$148.75$148.7522,540
1998-01-08$149.38$149.3723,770
1998-01-07$138.13$138.127,130
1998-01-06$135.63$135.6211,120
1998-01-05$134.38$134.3731,270
1998-01-02$145.63$145.622,410