Stock Ticker Systems
Telegraph-linked machines for near real-time securities price distribution, accelerating modern financial markets.
Core metadata
- ID: stock_ticker_systems
- Era: Industrial
- First known date: 1863 (exact)
- Region: New York, United States
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Precision Machine Tools (precision_machine_tools)
- Modern Stock Exchange (stock_exchange_modern)
- Telegraph (telegraph)
Dependents
- Telegraph News Tickers (telegraph_news_tickers)
- Transoceanic News Agencies (transoceanic_news_agencies)
Fields
Field lanes
- Finance & Markets: Markets & Commerce
Node sources
- Edward A. Calahan (National Inventors Hall of Fame, 2026, museum) • Supports: node
Locator: NIHF states that Edward Calahan invented the stock ticker in 1863, transmitting quotes from exchange floors to brokers and investors.
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Telegraph (telegraph) | enabling | 68% | expert_inference | Telegraph provides a capability that enables this technology without being the only possible path. |
|
| Modern Stock Exchange (stock_exchange_modern) | enabling | 68% | expert_inference | Modern Stock Exchange provides a capability that enables this technology without being the only possible path. |
|
| Precision Machine Tools (precision_machine_tools) | enabling | 68% | expert_inference | Precision Machine Tools provides a capability that enables this technology without being the only possible path. |
|
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