377740 - Bio Note, Inc.

377740 Summary

Medical Devices

Stock Price & Overview

₩4,790 -10 (-0.21%) Close · Sep 4, 2026 KST

KOSPI | ₩KRW | Close: ₩4,790 ≈ US$3 · Market cap ₩0.5tn (≈ $349m)

377740 Valuation vs Covered Peers

Metric	377740	Sector Median	vs Sector	1Y Avg	vs 1Y Avg
P/E (TTM)	—	17.69x (7)	—	—	—
P/S (TTM)	3.86x	3.27x (11)	18%	4.58x	-16%
P/B	0.31x	3.14x (12)	-90%	0.33x	-6%
P/CF (TTM)	10.71x	18.29x (9)	-41%	19.92x	-46%

Sector median is the median of the 13 covered Medical Devices names on kstock as of 2026-09-04 — not an index-wide figure. Averages cover the history shown below.

377740 Daily Valuation History

Date	Close	Market Cap	P/E (TTM)	P/S (TTM)	P/B	P/CF (TTM)
2026-09-04	₩4,790	₩0.5tn	—	3.86x	0.31x	10.71x
2026-09-03	₩4,800	₩0.5tn	—	3.87x	0.32x	10.74x
2026-09-02	₩4,765	₩0.5tn	—	3.84x	0.31x	10.66x
2026-09-01	₩4,800	₩0.5tn	—	3.87x	0.32x	10.74x
2026-08-31	₩4,770	₩0.5tn	—	3.84x	0.31x	10.67x
2026-08-28	₩4,800	₩0.5tn	—	3.87x	0.32x	10.74x
2026-08-27	₩4,750	₩0.5tn	—	3.83x	0.31x	10.62x
2026-08-26	₩4,840	₩0.5tn	—	3.90x	0.32x	10.82x
2026-08-25	₩4,815	₩0.5tn	—	3.88x	0.32x	10.77x
2026-08-24	₩4,955	₩0.5tn	—	3.99x	0.33x	11.08x
2026-08-21	₩4,835	₩0.5tn	—	3.90x	0.32x	10.81x
2026-08-20	₩4,840	₩0.5tn	—	3.90x	0.32x	10.82x
2026-08-19	₩4,865	₩0.5tn	—	3.92x	0.32x	10.88x
2026-08-18	₩4,910	₩0.5tn	—	3.96x	0.32x	10.98x
2026-08-14	₩4,930	₩0.5tn	—	3.97x	0.32x	11.03x
2026-08-13	₩4,900	₩0.5tn	—	4.08x	0.32x	20.90x
2026-08-12	₩4,925	₩0.5tn	—	4.10x	0.33x	21.01x
2026-08-11	₩4,970	₩0.5tn	—	4.14x	0.33x	21.20x
2026-08-10	₩4,900	₩0.5tn	—	4.08x	0.32x	20.90x
2026-08-07	₩4,845	₩0.5tn	—	4.03x	0.32x	20.67x
2026-08-06	₩4,755	₩0.5tn	—	3.96x	0.31x	20.29x
2026-08-05	₩4,625	₩0.5tn	—	3.85x	0.31x	19.73x
2026-08-04	₩4,520	₩0.5tn	—	3.76x	0.30x	19.28x
2026-08-03	₩4,570	₩0.5tn	—	3.80x	0.30x	19.50x
2026-07-31	₩4,555	₩0.5tn	—	3.79x	0.30x	19.43x
2026-07-30	₩4,430	₩0.5tn	—	3.69x	0.29x	18.90x
2026-07-29	₩4,445	₩0.5tn	—	3.70x	0.29x	18.96x
2026-07-28	₩4,405	₩0.4tn	—	3.67x	0.29x	18.79x
2026-07-27	₩4,630	₩0.5tn	—	3.85x	0.31x	19.75x
2026-07-24	₩4,570	₩0.5tn	—	3.80x	0.30x	19.50x
2026-07-23	₩4,570	₩0.5tn	—	3.80x	0.30x	19.50x
2026-07-22	₩4,385	₩0.4tn	—	3.65x	0.29x	18.71x
2026-07-21	₩4,435	₩0.5tn	—	3.69x	0.29x	18.92x
2026-07-20	₩4,560	₩0.5tn	—	3.79x	0.30x	19.45x
2026-07-16	₩4,700	₩0.5tn	—	3.91x	0.31x	20.05x
2026-07-15	₩4,675	₩0.5tn	—	3.89x	0.31x	19.94x
2026-07-14	₩4,580	₩0.5tn	—	3.81x	0.30x	19.54x
2026-07-13	₩4,580	₩0.5tn	—	3.81x	0.30x	19.54x
2026-07-10	₩4,715	₩0.5tn	—	3.92x	0.31x	20.11x
2026-07-09	₩4,570	₩0.5tn	—	3.80x	0.30x	19.50x
2026-07-08	₩4,610	₩0.5tn	—	3.84x	0.30x	19.67x
2026-07-07	₩4,670	₩0.5tn	—	3.89x	0.31x	19.92x
2026-07-06	₩4,675	₩0.5tn	—	3.89x	0.31x	19.94x
2026-07-03	₩4,690	₩0.5tn	—	3.90x	0.31x	20.01x
2026-07-02	₩4,600	₩0.5tn	—	3.83x	0.30x	19.62x
2026-07-01	₩4,605	₩0.5tn	—	3.83x	0.30x	19.65x
2026-06-30	₩4,555	₩0.5tn	—	3.79x	0.30x	19.43x
2026-06-29	₩4,510	₩0.5tn	—	3.75x	0.30x	19.24x
2026-06-26	₩4,365	₩0.4tn	—	3.63x	0.29x	18.62x
2026-06-25	₩4,440	₩0.5tn	—	3.69x	0.29x	18.94x
2026-06-24	₩4,450	₩0.5tn	—	3.70x	0.29x	18.98x
2026-06-23	₩4,375	₩0.4tn	—	3.64x	0.29x	18.66x
2026-06-22	₩4,590	₩0.5tn	—	3.82x	0.30x	19.58x
2026-06-19	₩4,640	₩0.5tn	—	3.86x	0.31x	19.80x
2026-06-18	₩4,630	₩0.5tn	—	3.85x	0.31x	19.75x
2026-06-17	₩4,750	₩0.5tn	—	3.95x	0.31x	20.26x
2026-06-16	₩4,880	₩0.5tn	—	4.06x	0.32x	20.82x
2026-06-15	₩4,955	₩0.5tn	—	4.12x	0.33x	21.14x
2026-06-12	₩4,870	₩0.5tn	—	4.05x	0.32x	20.78x
2026-06-11	₩4,810	₩0.5tn	—	4.00x	0.32x	20.52x
2026-06-10	₩4,720	₩0.5tn	—	3.93x	0.31x	20.14x
2026-06-09	₩4,650	₩0.5tn	—	3.87x	0.31x	19.84x
2026-06-08	₩4,520	₩0.5tn	—	3.76x	0.30x	19.28x
2026-06-05	₩4,690	₩0.5tn	—	3.90x	0.31x	20.01x
2026-06-04	₩4,715	₩0.5tn	—	3.92x	0.31x	20.11x
2026-06-02	₩4,770	₩0.5tn	—	3.97x	0.32x	20.35x
2026-06-01	₩4,755	₩0.5tn	—	3.96x	0.31x	20.29x
2026-05-29	₩4,890	₩0.5tn	—	4.07x	0.32x	20.86x
2026-05-28	₩4,950	₩0.5tn	—	4.12x	0.33x	21.12x
2026-05-27	₩5,000	₩0.5tn	—	4.16x	0.33x	21.33x
2026-05-26	₩5,050	₩0.5tn	—	4.20x	0.33x	21.54x
2026-05-22	₩5,120	₩0.5tn	—	4.26x	0.34x	21.84x
2026-05-21	₩5,010	₩0.5tn	—	4.17x	0.33x	21.37x
2026-05-20	₩4,995	₩0.5tn	—	4.16x	0.33x	21.31x
2026-05-19	₩4,990	₩0.5tn	—	4.15x	0.33x	21.29x
2026-05-18	₩5,030	₩0.5tn	—	4.19x	0.33x	21.46x
2026-05-15	₩4,975	₩0.5tn	—	4.14x	0.33x	21.22x
2026-05-14	₩5,150	₩0.5tn	—	4.43x	0.35x	36.49x
2026-05-13	₩5,040	₩0.5tn	—	4.34x	0.34x	35.71x
2026-05-12	₩4,880	₩0.5tn	—	4.20x	0.33x	34.57x
2026-05-11	₩4,940	₩0.5tn	—	4.25x	0.33x	35.00x
2026-05-08	₩4,985	₩0.5tn	—	4.29x	0.34x	35.32x
2026-05-07	₩4,985	₩0.5tn	—	4.29x	0.34x	35.32x
2026-05-06	₩5,020	₩0.5tn	—	4.32x	0.34x	35.56x
2026-05-04	₩5,050	₩0.5tn	—	4.35x	0.34x	35.78x
2026-04-30	₩5,110	₩0.5tn	—	4.40x	0.34x	36.20x
2026-04-29	₩5,130	₩0.5tn	—	4.42x	0.35x	36.34x
2026-04-28	₩5,170	₩0.5tn	—	4.45x	0.35x	36.63x
2026-04-27	₩5,170	₩0.5tn	—	4.45x	0.35x	36.63x
2026-04-24	₩5,190	₩0.5tn	—	4.47x	0.35x	36.77x
2026-04-23	₩5,130	₩0.5tn	—	4.42x	0.35x	36.34x
2026-04-22	₩5,070	₩0.5tn	—	4.37x	0.34x	35.92x
2026-04-21	₩5,130	₩0.5tn	—	4.42x	0.35x	36.34x
2026-04-20	₩5,140	₩0.5tn	—	4.43x	0.35x	36.41x
2026-04-17	₩5,280	₩0.5tn	—	4.55x	0.36x	37.41x
2026-04-16	₩5,120	₩0.5tn	—	4.41x	0.35x	36.27x
2026-04-15	₩5,040	₩0.5tn	—	4.34x	0.34x	35.71x
2026-04-14	₩4,970	₩0.5tn	—	4.28x	0.34x	35.21x
2026-04-13	₩4,965	₩0.5tn	—	4.28x	0.33x	35.17x
2026-04-10	₩4,965	₩0.5tn	—	4.28x	0.33x	35.17x
2026-04-09	₩4,930	₩0.5tn	—	4.25x	0.33x	34.93x
2026-04-08	₩4,920	₩0.5tn	—	4.24x	0.33x	34.86x
2026-04-07	₩4,850	₩0.5tn	—	4.18x	0.33x	34.36x
2026-04-06	₩4,940	₩0.5tn	—	4.25x	0.33x	35.00x
2026-04-03	₩5,020	₩0.5tn	—	4.32x	0.34x	35.56x
2026-04-02	₩4,995	₩0.5tn	—	4.30x	0.34x	35.39x
2026-04-01	₩5,170	₩0.5tn	—	4.45x	0.35x	36.63x
2026-03-31	₩5,060	₩0.5tn	—	4.36x	0.34x	35.85x
2026-03-30	₩5,290	₩0.5tn	—	4.68x	0.32x	17.05x
2026-03-27	₩5,480	₩0.6tn	—	4.85x	0.33x	17.67x
2026-03-26	₩5,470	₩0.6tn	—	4.84x	0.33x	17.63x
2026-03-25	₩5,490	₩0.6tn	—	4.86x	0.33x	17.70x
2026-03-24	₩5,380	₩0.5tn	—	4.76x	0.32x	17.34x
2026-03-23	₩5,330	₩0.5tn	—	4.72x	0.32x	17.18x
2026-03-20	₩5,440	₩0.6tn	—	4.82x	0.33x	17.54x
2026-03-19	₩5,340	₩0.5tn	—	4.73x	0.32x	17.21x
2026-03-18	₩5,400	₩0.6tn	—	4.78x	0.32x	17.41x
2026-03-17	₩5,370	₩0.5tn	—	4.75x	0.32x	17.31x
2026-03-16	₩5,360	₩0.5tn	—	4.74x	0.32x	17.28x
2026-03-13	₩5,440	₩0.6tn	—	4.82x	0.33x	17.54x
2026-03-12	₩5,370	₩0.5tn	—	4.75x	0.32x	17.31x
2026-03-11	₩5,410	₩0.6tn	—	4.79x	0.32x	17.44x
2026-03-10	₩5,340	₩0.5tn	—	4.73x	0.32x	17.21x
2026-03-09	₩5,330	₩0.5tn	—	4.72x	0.32x	17.18x
2026-03-06	₩5,460	₩0.6tn	—	4.83x	0.33x	17.60x
2026-03-05	₩5,500	₩0.6tn	—	4.87x	0.33x	17.73x
2026-03-04	₩5,110	₩0.5tn	—	4.52x	0.31x	16.47x
2026-03-03	₩5,570	₩0.6tn	—	4.93x	0.33x	17.96x
2026-02-27	₩5,620	₩0.6tn	—	4.98x	0.34x	18.12x
2026-02-26	₩5,670	₩0.6tn	—	5.02x	0.34x	18.28x
2026-02-25	₩6,200	₩0.6tn	—	5.49x	0.37x	19.99x
2026-02-24	₩6,230	₩0.6tn	—	5.52x	0.37x	20.08x
2026-02-23	₩6,050	₩0.6tn	—	5.36x	0.36x	19.50x
2026-02-20	₩5,850	₩0.6tn	—	5.18x	0.35x	18.86x
2026-02-19	₩5,830	₩0.6tn	—	5.16x	0.35x	18.79x
2026-02-13	₩5,800	₩0.6tn	—	5.13x	0.35x	18.70x
2026-02-12	₩5,800	₩0.6tn	—	5.13x	0.35x	18.70x
2026-02-11	₩5,740	₩0.6tn	—	5.08x	0.34x	18.50x
2026-02-10	₩5,720	₩0.6tn	—	5.06x	0.34x	18.44x
2026-02-09	₩5,650	₩0.6tn	—	5.00x	0.34x	18.21x
2026-02-06	₩5,540	₩0.6tn	—	4.90x	0.33x	17.86x
2026-02-05	₩5,660	₩0.6tn	—	5.01x	0.34x	18.25x
2026-02-04	₩5,800	₩0.6tn	—	5.13x	0.35x	18.70x
2026-02-03	₩5,770	₩0.6tn	—	5.11x	0.35x	18.60x
2026-02-02	₩5,710	₩0.6tn	—	5.05x	0.34x	18.41x
2026-01-30	₩5,840	₩0.6tn	—	5.17x	0.35x	18.83x
2026-01-29	₩5,560	₩0.6tn	—	4.92x	0.33x	17.92x
2026-01-28	₩5,470	₩0.6tn	—	4.84x	0.33x	17.63x
2026-01-27	₩5,530	₩0.6tn	—	4.90x	0.33x	17.83x
2026-01-26	₩5,530	₩0.6tn	—	4.90x	0.33x	17.83x
2026-01-23	₩5,290	₩0.5tn	—	4.68x	0.32x	17.05x
2026-01-22	₩5,140	₩0.5tn	—	4.55x	0.31x	16.57x
2026-01-21	₩5,100	₩0.5tn	—	4.51x	0.31x	16.44x
2026-01-20	₩5,180	₩0.5tn	—	4.59x	0.31x	16.70x
2026-01-19	₩5,100	₩0.5tn	—	4.51x	0.31x	16.44x
2026-01-16	₩5,190	₩0.5tn	—	4.59x	0.31x	16.73x
2026-01-15	₩5,200	₩0.5tn	—	4.60x	0.31x	16.76x
2026-01-14	₩5,190	₩0.5tn	—	4.59x	0.31x	16.73x
2026-01-13	₩5,200	₩0.5tn	—	4.60x	0.31x	16.76x
2026-01-12	₩5,250	₩0.5tn	—	4.65x	0.31x	16.92x
2026-01-09	₩5,360	₩0.5tn	—	4.74x	0.32x	17.28x
2026-01-08	₩5,430	₩0.6tn	—	4.81x	0.32x	17.50x
2026-01-07	₩5,520	₩0.6tn	—	4.89x	0.33x	17.79x
2026-01-06	₩5,510	₩0.6tn	—	4.88x	0.33x	17.76x
2026-01-05	₩5,500	₩0.6tn	—	4.87x	0.33x	17.73x
2026-01-02	₩5,520	₩0.6tn	—	4.89x	0.33x	17.79x
2025-12-30	₩5,470	₩0.6tn	—	4.84x	0.33x	17.63x
2025-12-29	₩5,530	₩0.6tn	—	4.90x	0.33x	17.83x
2025-12-26	₩5,620	₩0.6tn	—	4.98x	0.34x	18.12x
2025-12-24	₩5,610	₩0.6tn	—	4.97x	0.34x	18.08x
2025-12-23	₩5,600	₩0.6tn	—	4.96x	0.34x	18.05x
2025-12-22	₩5,640	₩0.6tn	—	4.99x	0.34x	18.18x
2025-12-19	₩5,650	₩0.6tn	—	5.00x	0.34x	18.21x
2025-12-18	₩5,580	₩0.6tn	—	4.94x	0.33x	17.99x
2025-12-17	₩5,620	₩0.6tn	—	4.98x	0.34x	18.12x
2025-12-16	₩5,620	₩0.6tn	—	4.98x	0.34x	18.12x
2025-12-15	₩5,600	₩0.6tn	—	4.96x	0.34x	18.05x
2025-12-12	₩5,610	₩0.6tn	—	4.97x	0.34x	18.08x
2025-12-11	₩5,650	₩0.6tn	—	5.00x	0.34x	18.21x
2025-12-10	₩5,590	₩0.6tn	—	4.95x	0.33x	18.02x
2025-12-09	₩5,690	₩0.6tn	—	5.04x	0.34x	18.34x
2025-12-08	₩5,560	₩0.6tn	—	4.92x	0.33x	17.92x
2025-12-05	₩5,640	₩0.6tn	—	4.99x	0.34x	18.18x
2025-12-04	₩5,590	₩0.6tn	—	4.95x	0.33x	18.02x
2025-12-03	₩5,630	₩0.6tn	—	4.98x	0.34x	18.15x
2025-12-02	₩5,650	₩0.6tn	—	5.00x	0.34x	18.21x
2025-12-01	₩5,620	₩0.6tn	—	4.98x	0.34x	18.12x
2025-11-28	₩5,640	₩0.6tn	—	4.99x	0.34x	18.18x
2025-11-27	₩5,570	₩0.6tn	—	4.93x	0.33x	17.96x
2025-11-26	₩5,570	₩0.6tn	—	4.93x	0.33x	17.96x
2025-11-25	₩5,500	₩0.6tn	—	4.87x	0.33x	17.73x
2025-11-24	₩5,530	₩0.6tn	—	4.90x	0.33x	17.83x
2025-11-21	₩5,490	₩0.6tn	—	4.86x	0.33x	17.70x
2025-11-20	₩5,590	₩0.6tn	—	4.95x	0.33x	18.02x
2025-11-19	₩5,500	₩0.6tn	—	4.87x	0.33x	17.73x
2025-11-18	₩5,450	₩0.6tn	—	4.82x	0.33x	17.57x
2025-11-17	₩5,600	₩0.6tn	—	4.96x	0.34x	18.05x
2025-11-14	₩5,710	₩0.6tn	—	5.05x	0.34x	18.41x
2025-11-13	₩5,800	₩0.6tn	—	5.27x	0.35x	16.28x
2025-11-12	₩5,710	₩0.6tn	—	5.19x	0.35x	16.03x
2025-11-11	₩5,620	₩0.6tn	—	5.11x	0.34x	15.77x
2025-11-10	₩5,660	₩0.6tn	—	5.15x	0.34x	15.89x
2025-11-07	₩5,590	₩0.6tn	—	5.08x	0.34x	15.69x
2025-11-06	₩5,530	₩0.6tn	—	5.03x	0.34x	15.52x
2025-11-05	₩5,560	₩0.6tn	—	5.06x	0.34x	15.61x
2025-11-04	₩5,530	₩0.6tn	—	5.03x	0.34x	15.52x
2025-11-03	₩5,390	₩0.5tn	—	4.90x	0.33x	15.13x
2025-10-31	₩5,510	₩0.6tn	—	5.01x	0.33x	15.47x
2025-10-30	₩5,520	₩0.6tn	—	5.02x	0.34x	15.49x
2025-10-29	₩5,510	₩0.6tn	—	5.01x	0.33x	15.47x
2025-10-28	₩5,500	₩0.6tn	—	5.00x	0.33x	15.44x
2025-10-27	₩5,520	₩0.6tn	—	5.02x	0.34x	15.49x
2025-10-24	₩5,490	₩0.6tn	—	4.99x	0.33x	15.41x
2025-10-23	₩5,570	₩0.6tn	—	5.07x	0.34x	15.63x
2025-10-22	₩5,560	₩0.6tn	—	5.06x	0.34x	15.61x
2025-10-21	₩5,490	₩0.6tn	—	4.99x	0.33x	15.41x
2025-10-20	₩5,550	₩0.6tn	—	5.05x	0.34x	15.58x
2025-10-17	₩5,640	₩0.6tn	—	5.13x	0.34x	15.83x
2025-10-16	₩5,740	₩0.6tn	—	5.22x	0.35x	16.11x
2025-10-15	₩5,770	₩0.6tn	—	5.25x	0.35x	16.19x
2025-10-14	₩5,670	₩0.6tn	—	5.16x	0.34x	15.91x
2025-10-13	₩5,840	₩0.6tn	—	5.31x	0.35x	16.39x
2025-10-10	₩5,820	₩0.6tn	—	5.29x	0.35x	16.34x
2025-10-02	₩5,800	₩0.6tn	—	5.27x	0.35x	16.28x
2025-10-01	₩5,800	₩0.6tn	—	5.27x	0.35x	16.28x
2025-09-30	₩5,800	₩0.6tn	—	5.27x	0.35x	16.28x
2025-09-29	₩5,910	₩0.6tn	—	5.37x	0.36x	16.59x
2025-09-26	₩5,840	₩0.6tn	—	5.31x	0.35x	16.39x
2025-09-25	₩5,910	₩0.6tn	—	5.37x	0.36x	16.59x
2025-09-24	₩6,000	₩0.6tn	—	5.46x	0.36x	16.84x
2025-09-23	₩6,060	₩0.6tn	—	5.51x	0.37x	17.01x
2025-09-22	₩6,080	₩0.6tn	—	5.53x	0.37x	17.06x
2025-09-19	₩6,210	₩0.6tn	—	5.65x	0.38x	17.43x
2025-09-18	₩6,120	₩0.6tn	—	5.57x	0.37x	17.18x
2025-09-17	₩6,100	₩0.6tn	—	5.55x	0.37x	17.12x
2025-09-16	₩6,100	₩0.6tn	—	5.55x	0.37x	17.12x
2025-09-15	₩6,140	₩0.6tn	—	5.58x	0.37x	17.23x
2025-09-12	₩6,100	₩0.6tn	—	5.55x	0.37x	17.12x
2025-09-11	₩6,040	₩0.6tn	—	5.49x	0.37x	16.95x
2025-09-10	₩6,060	₩0.6tn	—	5.51x	0.37x	17.01x
2025-09-09	₩6,190	₩0.6tn	—	5.63x	0.38x	17.37x
2025-09-08	₩6,100	₩0.6tn	—	5.55x	0.37x	17.12x
2025-09-05	₩5,670	₩0.6tn	—	5.16x	0.34x	15.91x
2025-09-04	₩5,640	₩0.6tn	—	5.13x	0.34x	15.83x
2025-09-03	₩5,570	₩0.6tn	—	5.07x	0.34x	15.63x

Multiples use the close of each date against the financials that were publicly filed by that date (quarterly reports assumed available 45 days after quarter end; annual figures 90 days). Share count is today's — per-date share counts are not reconstructed, so market cap around buybacks or issuance is approximate. A dash means the trailing figure was negative or not reported — no value is imputed. Source: KRX closes, DART consolidated filings.

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What a US investor should know

Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
Daily limitKorean stocks can move at most ±30% in a session before trading halts.
Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.