Alpha Vantage + Stooq
Use free/delayed daily quotes, historical OHLCV, CSV exports, and fallback quote snapshots for watchlists and backtests.
Review API docsLive market intelligence for active investors
Track market moves and test your next trade with evidence.
Use public and low-cost data sources for delayed market context, SEC filings, macro indicators, and transparent backtested strategy research.
- Loading
- Last quote pull
- --
- Watchlist advancers
- --
- Strongest ticker
Public quote layer
SEC filing data
FRED macro inputs
Backtest-ready exports
Live market intelligence
See what is moving before you choose a strategy.
The starter data layer uses public or low-cost sources first. Free quotes may be delayed or blocked by browser policy; BlankSzn shows the status and timestamp plainly.
Intraday move vs open
Watchlist
Credible source links
Public
Waiting for a quote response.
| Ticker | Last | Change vs Open | Open | High | Low | Volume | Quote Time |
|---|---|---|---|---|---|---|---|
| Loading public market data... | |||||||
Low-cost data stack
Complete the platform with credible free and delayed data first.
BlankSzn can launch with public datasets, clear delay labels, and server-side API protection before upgrading to paid real-time market data.
SEC EDGAR APIs
Pull company submissions and XBRL financial statement facts without an API key for filing-aware strategy research.
Review SEC APIsFRED Economic Data
Track rates, CPI, unemployment, GDP, and other macro series to enrich risk-on/risk-off strategy context.
Review FRED APIBroker-grade feeds later
Add paid real-time quotes, options chains, and streaming only after the delayed-data product proves useful.
Plan access tiersStrategy marketplace
Find a strategy that matches your trading style.
Compare rules, risk profile, holding period, and model history before adding any strategy to your watchlist.
Backtesting and performance
Evaluate return, risk, and consistency in one view.
Hypothetical results include transaction-cost assumptions and are intended for research, not guarantees.
| Strategy | Style | Avg Hold | Sharpe | Win Rate | Max DD |
|---|---|---|---|---|---|
| Factor Pulse | Value | 18 days | 1.31 | 59% | -13.2% |
| Breakout Atlas | Growth | 9 days | 1.48 | 64% | -10.7% |
| Vol Shield | Options | 32 days | 1.19 | 71% | -8.9% |
Hypothetical performance is net of modeled slippage and commissions. Live trading results may differ materially.
Pricing
Choose the research depth you need.
Starter
For investors validating a repeatable process.
$29/mo
- 10 strategy watchlists
- Weekly model updates
- Core risk metrics
- Email support
Most Popular
Pro
For active traders who need daily signal context.
$79/mo
- Unlimited strategy watchlists
- Daily alerts and exports
- Walk-forward analysis
- Community office hours
Private Access
Institutional
For teams managing models, exports, permissions, and account-level reporting.
Custom/team
- Team seats and permissions
- API and CSV pipelines
- Custom model review
- Priority support
Owner-only account
Your private BlankSzn institutional workspace.
This panel is removed from public navigation. Use the owner access route and passcode to unlock the local institutional workspace in this browser.
Education library
Learn the concepts and data sources behind every signal.
Plain-English research notes help traders understand risk, filings, macro regimes, and quote delays before taking action.
Position sizing when volatility expands
How ATR bands, realized volatility, and drawdown caps can reduce oversizing.
Read analysisUsing XBRL facts without paying for fundamentals
How public company filings can support valuation, quality, and earnings-risk screens.
Read analysisBuilding a rate-aware trading regime
Use FRED series to contextualize volatility, sector leadership, and cash allocation.
Read analysisTransparency
Common questions before you subscribe.
No. BlankSzn provides research tools and hypothetical strategy analytics. You remain responsible for all trading decisions.
Backtests include modeled slippage and commissions, and assumptions are shown alongside each strategy.
Pro and Institutional plans include CSV exports, watchlist downloads, and saved performance reports.
Start with transparent signals, not guesswork.
Explore strategy rules, historical risk, and model assumptions before your next trade.
Compare Plans