vs
Side-by-side financial comparison of BLACKBOXSTOCKS INC. (BLBX) and Sintx Technologies, Inc. (SINT). Click either name above to swap in a different company.
BLACKBOXSTOCKS INC. is the larger business by last-quarter revenue ($628.4K vs $290.0K, roughly 2.2× Sintx Technologies, Inc.). BLACKBOXSTOCKS INC. runs the higher net margin — -255.8% vs -763.8%, a 508.0% gap on every dollar of revenue. On growth, BLACKBOXSTOCKS INC. posted the faster year-over-year revenue change (7.4% vs -46.5%). Over the past eight quarters, BLACKBOXSTOCKS INC.'s revenue compounded faster (-1.6% CAGR vs -35.0%).
Blackboxstocks Inc. is a US-based fintech firm operating a subscription trading analytics platform for retail and active traders. It provides real-time market data, trade signals, analytical tools and social trading features for equity, options and digital asset markets, making institutional-grade trading resources accessible to individual users.
Sintx Technologies, Inc. is an advanced materials company specializing in R&D and manufacturing of high-performance silicon nitride and other technical ceramic products. It serves key segments including medical implants, aerospace & defense, industrial wear components, and electric vehicle applications, with core markets across North America, Europe and Asia-Pacific.
BLBX vs SINT — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $628.4K | $290.0K |
| Net Profit | $-1.6M | $-2.2M |
| Gross Margin | 60.6% | 64.8% |
| Operating Margin | -248.0% | -799.3% |
| Net Margin | -255.8% | -763.8% |
| Revenue YoY | 7.4% | -46.5% |
| Net Profit YoY | -69.4% | -30.7% |
| EPS (diluted) | — | $-0.50 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $628.4K | $290.0K | ||
| Q3 25 | $697.0K | $208.0K | ||
| Q2 25 | $518.8K | $151.0K | ||
| Q1 25 | $587.1K | $369.0K | ||
| Q4 24 | $585.0K | $542.0K | ||
| Q3 24 | $647.8K | $799.0K | ||
| Q2 24 | $684.7K | $859.0K | ||
| Q1 24 | $649.4K | $687.0K |
| Q4 25 | $-1.6M | $-2.2M | ||
| Q3 25 | $-720.6K | $-3.5M | ||
| Q2 25 | $-1.3M | $-2.3M | ||
| Q1 25 | $-829.1K | $-2.3M | ||
| Q4 24 | $-948.7K | $-1.7M | ||
| Q3 24 | $-780.8K | $-6.2M | ||
| Q2 24 | $-877.9K | $-2.2M | ||
| Q1 24 | $-863.7K | $-886.0K |
| Q4 25 | 60.6% | 64.8% | ||
| Q3 25 | 53.7% | 44.7% | ||
| Q2 25 | 32.2% | 37.7% | ||
| Q1 25 | 41.6% | 33.3% | ||
| Q4 24 | 26.5% | 71.6% | ||
| Q3 24 | 54.7% | 73.7% | ||
| Q2 24 | 48.0% | 73.9% | ||
| Q1 24 | 44.9% | 67.5% |
| Q4 25 | -248.0% | -799.3% | ||
| Q3 25 | -63.0% | -1613.0% | ||
| Q2 25 | -220.4% | -1764.9% | ||
| Q1 25 | -151.2% | -645.8% | ||
| Q4 24 | -151.5% | -319.6% | ||
| Q3 24 | -113.3% | -802.0% | ||
| Q2 24 | -120.5% | -315.5% | ||
| Q1 24 | -133.0% | -465.4% |
| Q4 25 | -255.8% | -763.8% | ||
| Q3 25 | -103.4% | -1701.4% | ||
| Q2 25 | -244.7% | -1535.1% | ||
| Q1 25 | -141.2% | -621.1% | ||
| Q4 24 | -162.2% | -312.7% | ||
| Q3 24 | -120.5% | -780.9% | ||
| Q2 24 | -128.2% | -256.6% | ||
| Q1 24 | -133.0% | -129.0% |
| Q4 25 | — | $-0.50 | ||
| Q3 25 | — | $-3.46 | ||
| Q2 25 | — | $-0.91 | ||
| Q1 25 | — | $-1.29 | ||
| Q4 24 | — | $17.04 | ||
| Q3 24 | — | $-6.96 | ||
| Q2 24 | — | $-3.61 | ||
| Q1 24 | — | $-21.66 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | — | $4.1M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $5.7M | $2.9M |
| Total Assets | $8.7M | $9.5M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $4.1M | ||
| Q3 25 | — | $6.3M | ||
| Q2 25 | — | $4.3M | ||
| Q1 25 | — | $6.5M | ||
| Q4 24 | — | $3.6M | ||
| Q3 24 | $60.9K | $4.8M | ||
| Q2 24 | $1.1M | $4.6M | ||
| Q1 24 | $115.0K | $5.8M |
| Q4 25 | $5.7M | $2.9M | ||
| Q3 25 | $4.8M | $4.1M | ||
| Q2 25 | $3.6M | $4.0M | ||
| Q1 25 | $4.7M | $6.1M | ||
| Q4 24 | $5.4M | $3.9M | ||
| Q3 24 | $6.3M | $5.6M | ||
| Q2 24 | $5.8M | $8.8M | ||
| Q1 24 | $6.5M | $9.9M |
| Q4 25 | $8.7M | $9.5M | ||
| Q3 25 | $8.8M | $11.4M | ||
| Q2 25 | $9.9M | $9.2M | ||
| Q1 25 | $10.2M | $11.4M | ||
| Q4 24 | $9.9M | $9.4M | ||
| Q3 24 | $10.0M | $11.3M | ||
| Q2 24 | $9.9M | $15.3M | ||
| Q1 24 | $9.0M | $17.6M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-510.4K | $-2.3M |
| Free Cash FlowOCF − Capex | — | $-2.4M |
| FCF MarginFCF / Revenue | — | -822.8% |
| Capex IntensityCapex / Revenue | — | 14.5% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-510.4K | $-2.3M | ||
| Q3 25 | $-955.9K | $-2.5M | ||
| Q2 25 | $-1.1M | $-2.4M | ||
| Q1 25 | $-643.7K | $-1.3M | ||
| Q4 24 | $-24.4K | $-1.1M | ||
| Q3 24 | $5.8K | $-2.6M | ||
| Q2 24 | $-333.4K | $-2.2M | ||
| Q1 24 | $-353.8K | $-2.7M |
| Q4 25 | — | $-2.4M | ||
| Q3 25 | — | $-2.6M | ||
| Q2 25 | — | — | ||
| Q1 25 | — | $-1.4M | ||
| Q4 24 | — | $-1.3M | ||
| Q3 24 | — | $-2.6M | ||
| Q2 24 | — | $-2.6M | ||
| Q1 24 | — | $-2.9M |
| Q4 25 | — | -822.8% | ||
| Q3 25 | — | -1250.5% | ||
| Q2 25 | — | — | ||
| Q1 25 | — | -368.6% | ||
| Q4 24 | — | -234.3% | ||
| Q3 24 | — | -323.0% | ||
| Q2 24 | — | -299.7% | ||
| Q1 24 | — | -423.1% |
| Q4 25 | — | 14.5% | ||
| Q3 25 | — | 40.4% | ||
| Q2 25 | — | 0.0% | ||
| Q1 25 | — | 16.0% | ||
| Q4 24 | — | 26.9% | ||
| Q3 24 | 0.0% | 1.4% | ||
| Q2 24 | — | 41.8% | ||
| Q1 24 | — | 25.3% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
