Stock listing
BME:SAI Substrate Artificial Intelligence SA Acciones
Home listing (Madrid) of Substrate Artificial Intelligence SA
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Share price · BME:SAI
€0.038 EUR +0.001 (+2.1%)
Close on Oct 30, 2026
- Day range
- €0.036 – €0.041 EUROct 30, 2026
- Volume
- 7.66M sharesOct 30, 2026
- Market cap
- €7.75M EURAt the close on Oct 30, 2026 · price × 202.8M shares outstanding
- 52-week range
- €0.023 – €0.122 EURLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- €469,599 EURMedian day 7.61M shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| BME:SAI · Home | €0.038 EUR | +0.001 (+2.1%) | 7,657,731 | €0.037 | €0.041 | €0.036 | €0.037 | Close on Oct 30, 2026 |
| OTC:SUIAF | $0.045 USD | +0.002 (+5.1%) | 1,000 | $0.045 | $0.045 | $0.045 | $0.043 | Close on Oct 22, 2026 |
| Frankfurt:U8S | €0.035 EUR | -0.002 (-5.7%) | — | €0.034 | €0.035 | €0.034 | €0.037 | Close on Oct 30, 2026 |
| Frankfurt:U8S1 | €0.088 EUR | 0.000 (0.0%) | — | €0.088 | €0.088 | €0.088 | €0.088 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · BME:SAI · EUR, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| €0.038 | +0.001 | +2.1% | €0.037 | €0.041 | €0.036 | 7,657,731 | |
| €0.037 | +0.000 | +0.5% | €0.037 | €0.041 | €0.036 | 12,458,188 | |
| €0.037 | -0.003 | -6.5% | €0.040 | €0.040 | €0.037 | 4,303,365 | |
| €0.040 | 0.000 | -1.0% | €0.041 | €0.044 | €0.039 | 11,592,599 | |
| €0.040 | +0.004 | +11.0% | €0.036 | €0.042 | €0.036 | 16,124,268 | |
| €0.036 | -0.001 | -1.6% | €0.037 | €0.039 | €0.035 | 9,137,909 | |
| €0.037 | 0.000 | -1.1% | €0.037 | €0.038 | €0.036 | 2,628,660 | |
| €0.037 | 0.000 | 0.0% | €0.037 | €0.040 | €0.036 | 9,561,082 | |
| €0.037 | -0.003 | -7.0% | €0.041 | €0.041 | €0.036 | 8,813,715 | |
| €0.040 | -0.005 | -10.3% | €0.045 | €0.047 | €0.040 | 4,980,661 | |
| €0.045 | -0.003 | -5.5% | €0.047 | €0.052 | €0.042 | 22,960,125 | |
| €0.047 | +0.002 | +4.2% | €0.049 | €0.053 | €0.044 | 24,223,130 | |
| €0.045 | +0.011 | +31.7% | €0.035 | €0.049 | €0.034 | 30,809,839 | |
| €0.034 | -0.002 | -5.5% | €0.037 | €0.037 | €0.033 | 5,387,477 | |
| €0.036 | +0.000 | +0.3% | €0.037 | €0.037 | €0.035 | 1,600,812 | |
| €0.036 | -0.004 | -9.7% | €0.041 | €0.041 | €0.035 | 17,206,821 | |
| €0.040 | -0.003 | -7.2% | €0.043 | €0.045 | €0.040 | 5,385,234 | |
| €0.043 | -0.002 | -5.3% | €0.045 | €0.047 | €0.040 | 9,083,903 | |
| €0.046 | +0.006 | +14.2% | €0.041 | €0.048 | €0.041 | 11,347,894 | |
| €0.040 | -0.003 | -6.5% | €0.044 | €0.044 | €0.039 | 4,311,381 | |
| €0.043 | -0.002 | -4.0% | €0.043 | €0.046 | €0.041 | 7,449,434 | |
| €0.045 | 0.000 | -0.9% | €0.046 | €0.047 | €0.043 | 4,220,802 | |
| €0.045 | -0.003 | -5.5% | €0.048 | €0.049 | €0.045 | 3,690,234 | |
| €0.048 | -0.002 | -3.3% | €0.050 | €0.051 | €0.048 | 4,056,583 | |
| €0.049 | +0.001 | +2.5% | €0.049 | €0.052 | €0.048 | 7,760,700 | |
| €0.048 | 0.000 | -0.6% | €0.049 | €0.051 | €0.048 | 5,295,458 | |
| €0.048 | -0.002 | -4.0% | €0.051 | €0.052 | €0.048 | 4,354,210 | |
| €0.050 | -0.003 | -6.0% | €0.054 | €0.054 | €0.050 | 4,655,461 | |
| €0.054 | +0.003 | +4.9% | €0.052 | €0.056 | €0.050 | 9,625,037 | |
| €0.051 | -0.002 | -3.4% | €0.053 | €0.055 | €0.050 | 8,346,220 | |
| €0.053 | -0.003 | -5.2% | €0.054 | €0.057 | €0.051 | 5,530,008 | |
| €0.056 | -0.004 | -6.4% | €0.059 | €0.061 | €0.055 | 6,958,040 | |
| €0.060 | -0.003 | -5.3% | €0.063 | €0.065 | €0.059 | 7,978,898 | |
| €0.063 | +0.012 | +23.1% | €0.051 | €0.063 | €0.049 | 13,809,073 | |
| €0.051 | -0.004 | -7.6% | €0.056 | €0.056 | €0.050 | 4,338,381 | |
| €0.055 | -0.003 | -4.7% | €0.057 | €0.058 | €0.055 | 4,982,872 | |
| €0.058 | -0.005 | -8.1% | €0.064 | €0.064 | €0.058 | 7,466,318 | |
| €0.063 | +0.002 | +2.8% | €0.064 | €0.064 | €0.060 | 8,427,072 | |
| €0.061 | +0.005 | +8.1% | €0.058 | €0.062 | €0.057 | 6,522,239 | |
| €0.057 | +0.003 | +5.2% | €0.055 | €0.058 | €0.055 | 4,379,652 | |
| €0.054 | -0.002 | -4.1% | €0.057 | €0.057 | €0.053 | 6,488,635 | |
| €0.056 | +0.000 | +0.5% | €0.056 | €0.062 | €0.054 | 14,105,691 | |
| €0.056 | +0.004 | +7.5% | €0.053 | €0.058 | €0.049 | 19,221,185 | |
| €0.052 | +0.008 | +19.3% | €0.044 | €0.054 | €0.042 | 20,538,146 | |
| €0.044 | -0.004 | -8.8% | €0.048 | €0.051 | €0.044 | 9,102,464 | |
| €0.048 | -0.001 | -2.8% | €0.049 | €0.051 | €0.048 | 5,245,296 | |
| €0.049 | -0.001 | -1.8% | €0.050 | €0.053 | €0.048 | 8,151,852 | |
| €0.050 | -0.002 | -3.7% | €0.052 | €0.053 | €0.049 | 7,368,069 | |
| €0.052 | -0.003 | -6.0% | €0.054 | €0.057 | €0.052 | 6,612,219 | |
| €0.055 | -0.002 | -3.0% | €0.059 | €0.059 | €0.055 | 1,090,925 | |
| €0.057 | 0.000 | 0.0% | €0.056 | €0.059 | €0.052 | 7,153,565 | |
| €0.057 | -0.002 | -2.6% | €0.059 | €0.063 | €0.054 | 9,330,674 | |
| €0.059 | -0.004 | -7.1% | €0.065 | €0.065 | €0.057 | 9,257,779 | |
| €0.063 | -0.003 | -4.5% | €0.065 | €0.066 | €0.063 | 3,595,571 | |
| €0.066 | -0.001 | -1.2% | €0.067 | €0.069 | €0.065 | 2,646,142 | |
| €0.067 | -0.001 | -1.9% | €0.068 | €0.068 | €0.066 | 2,198,483 | |
| €0.068 | -0.004 | -5.5% | €0.073 | €0.073 | €0.068 | 9,286,307 | |
| €0.072 | +0.005 | +7.6% | €0.065 | €0.074 | €0.065 | 10,307,044 | |
| €0.067 | +0.000 | +0.3% | €0.066 | €0.068 | €0.065 | 1,458,200 | |
| €0.067 | -0.002 | -2.5% | €0.067 | €0.069 | €0.065 | 2,098,565 | |
| €0.069 | -0.004 | -5.1% | €0.071 | €0.073 | €0.068 | 8,055,416 | |
| €0.072 | +0.000 | +0.3% | €0.073 | €0.076 | €0.071 | 8,038,082 | |
| €0.072 | +0.001 | +1.4% | €0.072 | €0.077 | €0.069 | 7,136,682 | |
| €0.071 | 0.000 | -0.4% | €0.072 | €0.074 | €0.067 | 9,028,547 | |
| €0.071 | -0.001 | -0.8% | €0.075 | €0.077 | €0.071 | 7,609,914 | |
| €0.072 | +0.001 | +1.6% | €0.072 | €0.080 | €0.069 | 17,142,567 | |
| €0.071 | +0.011 | +18.0% | €0.059 | €0.085 | €0.057 | 36,221,208 |
- Ticker
- BME:SAI
- Asset type
- Stock
- Exchange
- Madrid
- Currency
- EUR
What changed lately
Latest news release · Jun 30, 2026
Substrate Ai Enters Issuance Agreement For Convertible Bond Financing Up To EUR 39.2 Million
Latest news
Substrate Ai Enters Issuance Agreement For Convertible Bond Financing Up To EUR 39.2 Million
Jun 30, 2026
Closed €0.045 (-0.4%) on Jun 30, 2026
Spanish government authorises investment of EUR 19.2 million as part of a planned EUR 39.2 million convertible note issue in Subgen AI’s subsidiary Substrate AI
Jun 29, 2026
Closed €0.045 (+92.7%) on Jun 29, 2026
Issued by another party
Decks
Investor Presentation (October 2025)
Investor deck · 17 slides · October 2025
Substrate AI — Investor Day (July 2025)
Investor day · 26 slides · July 2025
Substrate AI — Investor Day (July 2025)
Investor day · 26 slides · July 2025
Substrate Artificial Intelligence SA on 6ix
- News releases
- 2 in the last 12 months · 2 in all · newest Jun 30, 2026 · oldest 2026
- Decks
- 3 decks · latest October 2025
Where Substrate Artificial Intelligence SA is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| BME:SAI · Home listing · This page | Madrid | Spain | EUR |
| OTC:SUIAF | OTC | United States | USD |
| BME:SAI.B | Madrid | Spain | EUR |
| Frankfurt:U8S | Frankfurt | Germany | EUR |
| Lang & Schwarz:A3EVHE | Lang & Schwarz | Germany | EUR |
| LS Exchange:A3EVHE | LS Exchange | Germany | EUR |
| Frankfurt:U8S1 | Frankfurt | Germany | EUR |
| Stuttgart:U8S1 | Stuttgart | Germany | EUR |
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