Markets
Markets
All markets
Research
Research
All research
News
News
- News Headlines as they break
- Discover Stories by topic
All news
Learn
Paper trading
AI Chat

Search symbol or company /

Watchlists Portfolios Alerts Sign in Get started

Menu

Markets

Overview
Indices
Sectors
Heatmap
Performers
Trending
Earnings
Dividends
Crypto
Forex
Futures
Treasury

Research

Screener
Scanner
Trend Score
Insider trading
Compare
Options
Backtest
Strategy
Chart settings

News

News
Discover

Watchlists Portfolios Alerts

Markets
PSCO
Chart

PSCO

PSCO chart

ProtoSource Corporation · Quote, news and financials

0.01 USD

0.00 0.00%

As of Oct 29, 2026

YTD chart

Closing price and volume

1D 5D 1M 3M 6M YTD 1Y 2Y 5Y MAX

Interval

Available on

Take Stock Master With You

Real-time quotes, AI insights, and portfolio tracking on the go.

Download on the App Store Get it on Google Play

Professional-grade financial analysis for stocks, options, and crypto. Powered by AI-driven insights and real-time market data.

Markets

Overview
Indices
Sectors
Heatmap
Performers
Trending
Earnings
Dividends

Assets

Crypto
Forex
Futures
Treasury
News
Discover

Research

Screener
Scanner
Trend Score
Insider trading
Compare
Options
Backtest
Strategy
Chart settings

Your Finabase

AI Chat
Watchlists
Portfolios
Alerts
Paper trading
Plans & pricing
Get the app

Learn

Finabase Learn
Investing basics
Technical indicators
Candlestick patterns

Company

Why Finabase
About us
Contact
Feedback
Privacy
Terms
Delete my data

Risk disclosure All investing involves risk, including the possible loss of principal. Past performance does not guarantee future results. Options and cryptocurrency trading involve substantial risk and are not appropriate for all investors. Market data is provided for informational purposes only and should not be construed as investment advice. Finabase is not a registered broker-dealer or investment advisor.

© 2026 Finabase. All rights reserved.