Protosource Corp. has returned -88.4% from $0.18 since 2021, trailing SPY's +75.0% over the same period. The stock hit an all-time high of $0.25 in May 2021 and is currently 91.9% below that level. 2 news events tracked with market reaction data.
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Common questions answered from real data: performance vs SPY, market cap, profitability, CEO, dividends, and more.
Every dot on the chart is a news event. The return shown is market-adjusted (vs SPY). Green = stock outperformed. Red = underperformed. Dot size = magnitude of reaction.
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| Date | Return | Category | Source | Headline |
|---|---|---|---|---|
| 2026-04-17 | -50.8% | news | TradingView | CapEx per share of Protosource Corp. – OTC:PSCO - TradingView |
| 2021-07-01 | -12.6% | earnings | MarketBeat | Protosource Cor (PSCO) Stock Price, News & Analysis - MarketBeat |