Stock listing
TPEx:6840 BTL, Inc. (東研信超) 股價
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Share price · TPEX:6840
$71.80 TWD -4.20 (-5.5%)
Close on Oct 30, 2026
- Day range
- $71.00 – $74.00 TWDOct 30, 2026
- Volume
- 169,980 sharesOct 30, 2026
- Market cap
- $2.21B TWDAt the close on Oct 30, 2026 · price × 30.77M shares outstanding
- 52-week range
- $53.40 – $111.50 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $36.14M TWDMedian day 269,373 shares · 1 day with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · TPEX:6840 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $71.80 | -4.20 | -5.5% | $74.00 | $74.00 | $71.00 | 169,980 | |
| $76.00 | -3.00 | -3.8% | $78.20 | $78.20 | $76.00 | 51,404 | |
| $79.00 | +0.70 | +0.9% | $79.30 | $79.70 | $78.00 | 41,466 | |
| $78.30 | -0.50 | -0.6% | $78.90 | $79.20 | $74.90 | 343,599 | |
| $78.80 | 0.00 | 0.0% | $78.80 | $78.80 | $78.80 | 0 | |
| $78.80 | -1.10 | -1.4% | $80.10 | $80.10 | $78.80 | 62,325 | |
| $79.90 | +0.10 | +0.1% | $80.90 | $81.80 | $79.90 | 60,088 | |
| $79.80 | -2.90 | -3.5% | $84.50 | $84.50 | $79.80 | 100,048 | |
| $82.70 | -0.40 | -0.5% | $82.80 | $84.60 | $78.60 | 273,108 | |
| $83.10 | -0.20 | -0.2% | $83.40 | $84.30 | $82.60 | 67,150 | |
| $83.30 | -3.40 | -3.9% | $85.00 | $85.50 | $82.40 | 167,000 | |
| $86.70 | +0.80 | +0.9% | $85.90 | $87.80 | $85.20 | 148,004 | |
| $85.90 | -6.10 | -6.6% | $90.30 | $91.40 | $85.00 | 326,124 | |
| $92.00 | -2.50 | -2.6% | $93.80 | $93.80 | $90.30 | 255,144 | |
| $94.50 | -0.50 | -0.5% | $94.50 | $96.00 | $91.90 | 295,000 | |
| $95.00 | -0.90 | -0.9% | $95.90 | $97.00 | $93.40 | 202,000 | |
| $95.90 | -1.10 | -1.1% | $97.60 | $97.60 | $95.50 | 196,000 | |
| $97.00 | -1.70 | -1.7% | $100.00 | $100.00 | $96.80 | 292,105 | |
| $98.70 | -0.60 | -0.6% | $99.90 | $99.90 | $97.30 | 219,310 | |
| $99.30 | +0.40 | +0.4% | $97.60 | $99.60 | $96.40 | 338,050 | |
| $98.90 | -0.60 | -0.6% | $100.50 | $100.50 | $97.80 | 209,216 | |
| $99.50 | -3.50 | -3.4% | $103.00 | $103.00 | $98.60 | 278,250 | |
| $103.00 | -1.50 | -1.4% | $104.00 | $104.50 | $103.00 | 257,000 | |
| $104.50 | 0.00 | 0.0% | $106.00 | $106.50 | $103.00 | 269,373 | |
| $104.50 | -2.00 | -1.9% | $108.00 | $108.00 | $101.50 | 582,790 | |
| $106.50 | -1.50 | -1.4% | $108.50 | $111.50 | $106.50 | 604,637 | |
| $108.00 | +6.50 | +6.4% | $104.00 | $111.00 | $101.50 | 1,457,999 | |
| $101.50 | +8.80 | +9.5% | $92.90 | $101.50 | $92.90 | 1,198,250 | |
| $92.70 | +2.70 | +3.0% | $90.30 | $92.70 | $90.20 | 225,005 | |
| $90.00 | -0.70 | -0.8% | $90.70 | $90.90 | $89.10 | 135,000 | |
| $90.70 | +1.70 | +1.9% | $90.50 | $90.90 | $86.80 | 359,000 | |
| $89.00 | -2.20 | -2.4% | $89.00 | $91.60 | $89.00 | 268,050 | |
| $91.20 | -4.40 | -4.6% | $92.30 | $93.90 | $90.80 | 1,194,143 | |
| $95.60 | +2.40 | +2.6% | $93.20 | $95.60 | $91.20 | 450,008 | |
| $93.20 | +0.30 | +0.3% | $92.90 | $101.00 | $92.90 | 750,024 | |
| $92.90 | +0.10 | +0.1% | $93.90 | $94.30 | $91.60 | 179,021 | |
| $92.80 | +2.70 | +3.0% | $90.50 | $93.40 | $89.20 | 391,368 | |
| $90.10 | -2.20 | -2.4% | $92.30 | $97.10 | $90.10 | 461,103 | |
| $92.30 | -0.20 | -0.2% | $93.00 | $93.70 | $89.00 | 489,328 | |
| $92.50 | -1.50 | -1.6% | $93.00 | $94.60 | $91.50 | 469,573 | |
| $94.00 | -4.40 | -4.5% | $97.70 | $97.70 | $92.20 | 402,070 | |
| $98.40 | +0.10 | +0.1% | $98.70 | $99.30 | $95.10 | 703,300 | |
| $98.30 | +6.60 | +7.2% | $93.80 | $100.00 | $90.30 | 1,352,240 | |
| $91.70 | +8.30 | +10.0% | $83.80 | $91.70 | $83.40 | 996,521 | |
| $83.40 | +0.70 | +0.8% | $82.50 | $83.50 | $81.10 | 326,001 | |
| $82.70 | -0.50 | -0.6% | $83.60 | $84.50 | $82.50 | 168,055 | |
| $83.20 | +0.80 | +1.0% | $82.00 | $83.40 | $78.00 | 325,420 | |
| $82.40 | 0.00 | 0.0% | $82.90 | $83.00 | $81.00 | 447,100 | |
| $82.40 | -0.60 | -0.7% | $81.50 | $82.90 | $80.50 | 230,500 | |
| $83.00 | 0.00 | 0.0% | $83.80 | $84.50 | $81.40 | 705,500 | |
| $83.00 | +2.00 | +2.5% | $81.00 | $83.10 | $79.90 | 978,760 | |
| $81.00 | +5.40 | +7.1% | $82.80 | $83.10 | $79.50 | 2,287,340 | |
| $75.60 | +6.80 | +9.9% | $72.00 | $75.60 | $72.00 | 1,176,600 | |
| $68.80 | +0.80 | +1.2% | $68.60 | $70.80 | $67.30 | 146,000 | |
| $68.00 | +2.00 | +3.0% | $66.90 | $68.30 | $65.50 | 78,000 | |
| $66.00 | -0.60 | -0.9% | $66.50 | $67.70 | $65.80 | 86,000 | |
| $66.60 | -0.20 | -0.3% | $65.30 | $67.60 | $65.00 | 43,000 | |
| $66.80 | -1.80 | -2.6% | $68.00 | $68.20 | $65.60 | 168,150 | |
| $68.60 | +6.20 | +9.9% | $63.30 | $68.60 | $63.20 | 613,200 | |
| $62.40 | +1.40 | +2.3% | $61.50 | $62.70 | $61.00 | 42,100 | |
| $61.00 | +1.00 | +1.7% | $61.60 | $61.60 | $60.20 | 19,050 | |
| $60.00 | +2.00 | +3.4% | $59.40 | $60.50 | $58.60 | 48,000 | |
| $58.00 | +0.20 | +0.3% | $57.00 | $59.80 | $56.20 | 40,000 |
- Ticker
- TPEx:6840
- Asset type
- Stock
- Sector
- Industrials
- Industry
- Business & professional services
- Exchange
- TPEx
- Currency
- TWD
BTL, Inc. on 6ix
- Sector
- Industrials
- Industry
- Business & professional services
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