ProtoSource Corporation (PSCO)
OTCMKTS · Delayed Price · Currency is USD
0.0096
0.00 (0.00%)
At close: Sep 25, 2026
ProtoSource Market Cap
ProtoSource has a market cap or net worth of $4.89 million as of September 30, 2026. Its market cap has decreased by -92.32% in one year.
Market Cap
4.89M
Enterprise Value
n/a
Revenue
3.10M
Ranking
n/a
PE Ratio
n/a
Stock Price
$0.01
ChartMarket Cap Chart
Since February 10, 1995, ProtoSource's market cap has decreased from 5.65M to 4.89M, a decrease of -13.41%. That is a compound annual growth rate of -0.45%.
| Date | Market Cap | % Change |
|---|---|---|
| Sep 25, 2026 | 4.89M | -6.80% |
| Dec 31, 2025 | 5.25M | -73.59% |
| Dec 19, 2023 | 19.88M | 254.55% |
| Dec 30, 2022 | 5.61M | -63.81% |
| Dec 30, 2021 | 15.50M | 93.75% |
| Dec 30, 2020 | Upgrade Pro | Upgrade Pro |
| Dec 26, 2019 | Upgrade Pro | Upgrade Pro |
| Dec 21, 2018 | Upgrade Pro | Upgrade Pro |
| Dec 30, 2016 | Upgrade Pro | Upgrade Pro |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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