Stock listing
OTC:SIGL Signal Advance, Inc. Stock
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Share price · OTC:SIGL
$0.089 USD -0.001 (-1.1%)
Close on Nov 2, 2026
- Day range
- $0.081 – $0.089 USDNov 2, 2026
- Volume
- 949 sharesNov 2, 2026
- Market cap
- $5.82M USDAt the close on Nov 2, 2026 · price × 65.44M shares outstanding
- 52-week range
- $0.065 – $0.360 USDLowest and highest trades, Nov 3, 2025 – Nov 2, 2026
- Traded on an average day
- $944 USDMedian day 2,400 shares · 10 days with no trades · last 3 months, Aug 3, 2026 – Nov 2, 2026

Daily closes
Last 3 months, Aug 3, 2026 – Nov 2, 2026 · OTC:SIGL · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $0.089 | -0.001 | -1.1% | $0.081 | $0.089 | $0.081 | 949 | |
| $0.090 | 0.000 | 0.0% | $0.090 | $0.090 | $0.090 | 2,400 | |
| $0.090 | 0.000 | 0.0% | $0.075 | $0.090 | $0.075 | 900 | |
| $0.090 | 0.000 | 0.0% | $0.090 | $0.090 | $0.090 | 500 | |
| $0.090 | +0.014 | +18.4% | $0.104 | $0.105 | $0.075 | 3,000 | |
| $0.076 | -0.029 | -27.6% | $0.085 | $0.085 | $0.076 | 800 | |
| $0.105 | +0.015 | +16.7% | $0.076 | $0.105 | $0.076 | 17,600 | |
| $0.090 | +0.015 | +20.0% | $0.090 | $0.090 | $0.090 | 5,500 | |
| $0.075 | -0.025 | -25.0% | $0.090 | $0.090 | $0.075 | 10,500 | |
| $0.100 | +0.025 | +33.0% | $0.075 | $0.100 | $0.075 | 2,801 | |
| $0.075 | +0.000 | +0.3% | $0.089 | $0.089 | $0.075 | 1,597 | |
| $0.075 | -0.029 | -27.9% | $0.075 | $0.075 | $0.075 | 200 | |
| $0.104 | 0.000 | 0.0% | $0.104 | $0.104 | $0.104 | 0 | |
| $0.104 | +0.028 | +36.8% | $0.075 | $0.104 | $0.075 | 28,100 | |
| $0.076 | -0.022 | -22.4% | $0.075 | $0.098 | $0.075 | 4,700 | |
| $0.098 | 0.000 | 0.0% | $0.098 | $0.098 | $0.098 | 0 | |
| $0.098 | 0.000 | 0.0% | $0.100 | $0.100 | $0.076 | 6,400 | |
| $0.098 | 0.000 | 0.0% | $0.098 | $0.098 | $0.098 | 90 | |
| $0.098 | +0.002 | +2.1% | $0.090 | $0.098 | $0.090 | 300 | |
| $0.096 | -0.025 | -20.7% | $0.088 | $0.098 | $0.075 | 102,100 | |
| $0.121 | +0.035 | +40.7% | $0.076 | $0.121 | $0.076 | 36,500 | |
| $0.086 | +0.011 | +14.7% | $0.075 | $0.110 | $0.075 | 10,900 | |
| $0.075 | -0.025 | -25.0% | $0.075 | $0.075 | $0.075 | 800 | |
| $0.100 | 0.000 | 0.0% | $0.100 | $0.100 | $0.100 | 0 | |
| $0.100 | -0.010 | -9.1% | $0.109 | $0.109 | $0.100 | 17,500 | |
| $0.110 | +0.010 | +10.0% | $0.110 | $0.110 | $0.110 | 5,000 | |
| $0.100 | -0.010 | -9.1% | $0.105 | $0.105 | $0.100 | 1,900 | |
| $0.110 | +0.010 | +10.0% | $0.110 | $0.110 | $0.110 | 5,000 | |
| $0.100 | -0.010 | -9.1% | $0.075 | $0.110 | $0.075 | 14,300 | |
| $0.110 | +0.029 | +35.8% | $0.077 | $0.110 | $0.077 | 400 | |
| $0.081 | +0.005 | +6.6% | $0.110 | $0.110 | $0.081 | 8,600 | |
| $0.076 | -0.054 | -41.5% | $0.086 | $0.109 | $0.076 | 2,300 | |
| $0.130 | 0.000 | 0.0% | $0.130 | $0.130 | $0.130 | 4,600 | |
| $0.130 | 0.000 | 0.0% | $0.130 | $0.130 | $0.086 | 7,800 | |
| $0.130 | 0.000 | 0.0% | $0.130 | $0.130 | $0.130 | 300 | |
| $0.130 | +0.006 | +4.8% | $0.065 | $0.130 | $0.065 | 7,400 | |
| $0.124 | 0.000 | 0.0% | $0.127 | $0.127 | $0.070 | 7,200 | |
| $0.124 | +0.059 | +90.8% | $0.065 | $0.124 | $0.065 | 9,300 | |
| $0.065 | 0.000 | 0.0% | $0.065 | $0.065 | $0.065 | 0 | |
| $0.065 | -0.059 | -47.6% | $0.065 | $0.124 | $0.065 | 3,300 | |
| $0.124 | 0.000 | 0.0% | $0.124 | $0.124 | $0.124 | 0 | |
| $0.124 | +0.024 | +24.0% | $0.130 | $0.130 | $0.076 | 24,000 | |
| $0.100 | -0.030 | -23.1% | $0.099 | $0.100 | $0.099 | 8,900 | |
| $0.130 | +0.020 | +18.2% | $0.120 | $0.130 | $0.077 | 73,400 | |
| $0.110 | 0.000 | 0.0% | $0.110 | $0.110 | $0.110 | 0 | |
| $0.110 | +0.020 | +22.2% | $0.110 | $0.110 | $0.110 | 1,000 | |
| $0.090 | -0.031 | -25.6% | $0.107 | $0.129 | $0.077 | 12,300 | |
| $0.121 | +0.021 | +21.0% | $0.088 | $0.126 | $0.085 | 12,000 | |
| $0.100 | 0.000 | 0.0% | $0.100 | $0.100 | $0.100 | 0 | |
| $0.100 | 0.000 | 0.0% | $0.100 | $0.100 | $0.100 | 1,000 | |
| $0.100 | -0.035 | -25.9% | $0.100 | $0.100 | $0.100 | 600 | |
| $0.135 | +0.004 | +3.1% | $0.135 | $0.135 | $0.135 | 1,100 | |
| $0.131 | -0.004 | -2.9% | $0.110 | $0.131 | $0.110 | 400 | |
| $0.135 | 0.000 | -0.1% | $0.101 | $0.135 | $0.101 | 3,213 | |
| $0.135 | +0.045 | +50.0% | $0.100 | $0.143 | $0.092 | 16,259 | |
| $0.090 | -0.051 | -36.2% | $0.133 | $0.133 | $0.090 | 45,400 | |
| $0.141 | 0.000 | 0.0% | $0.141 | $0.141 | $0.141 | 0 | |
| $0.141 | 0.000 | 0.0% | $0.141 | $0.141 | $0.141 | 0 | |
| $0.141 | +0.001 | +0.7% | $0.153 | $0.153 | $0.141 | 300 | |
| $0.140 | +0.010 | +7.7% | $0.117 | $0.143 | $0.117 | 1,000 | |
| $0.130 | 0.000 | 0.0% | $0.130 | $0.130 | $0.130 | 0 | |
| $0.130 | -0.007 | -5.1% | $0.160 | $0.160 | $0.130 | 5,700 | |
| $0.137 | -0.008 | -5.5% | $0.137 | $0.137 | $0.137 | 200 | |
| $0.145 | +0.010 | +7.4% | $0.133 | $0.145 | $0.133 | 1,500 | |
| $0.135 | -0.035 | -20.6% | $0.170 | $0.170 | $0.135 | 24,700 |
- Ticker
- OTC:SIGL
- Asset type
- Stock
- Exchange
- OTC
- Currency
- USD
What changed lately
Latest news release · Apr 21, 2026
Signal Advance Inc. (OTC: SIGL) Secures Second Major Patent, Strengthening Analog Guard(R) AI and Quantum-Resistant Encryption Platform
Latest news
Signal Advance Inc. (OTC: SIGL) Secures Second Major Patent, Strengthening Analog Guard(R) AI and Quantum-Resistant Encryption Platform
Apr 21, 2026
Closed $0.195 (+5.4%) on Apr 21, 2026
Signal Advance (OTCID: SIGL) Converts Rare 3-month U.S. Patent Victory for Analog Guard(R) into Rapidly Expanding Global IP Portfolio - As Quantum Threats Escalate Amid Large-Scale Collaborations
Dec 10, 2025
Closed $0.226 (-1.5%) on Dec 10, 2025
Signal Advance(R) (OTC: SIGL) Pioneers Quantum-Resistant Cybersecurity via Analog Guard(R) - Becomes First-Mover in Physics Over Math Encryption
Nov 17, 2025
Closed $0.225 (-4.7%) on Nov 17, 2025
Signal Advance, Inc. on 6ix
- News releases
- 4 in the last 12 months · 11 in all · newest Apr 21, 2026 · oldest 2021
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