Stock listing

OTC:PSCO Protosource Corp. Stock

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Share price · OTC:PSCO

$0.01 USD 0.00 (0.0%)

Close on Oct 30, 2026

Past year -66.3% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits

Day range: $0.01 – $0.01 USDOct 30, 2026
Market cap: $5.15M USDAt the close on Oct 30, 2026 · price × 509.9M shares outstanding
52-week range: $0.0090 – $0.138 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
Traded on an average day: $2 USDMedian day 0 shares · 59 days with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · OTC:PSCO · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Fri, Oct 30	$0.01	0.00	0.0%	$0.01	$0.01	$0.01	0
Thu, Oct 29	$0.01	0.00	0.0%	$0.01	$0.01	$0.01	0
Wed, Oct 28	$0.01	0.00	0.0%	$0.01	$0.01	$0.01	0
Tue, Oct 27	$0.01	+0.001	+5.2%	$0.01	$0.01	$0.01	5,000
Mon, Oct 26	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Fri, Oct 23	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Thu, Oct 22	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Wed, Oct 21	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Tue, Oct 20	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Mon, Oct 19	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Fri, Oct 16	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Thu, Oct 15	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Wed, Oct 14	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Tue, Oct 13	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Mon, Oct 12	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Fri, Oct 9	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Thu, Oct 8	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Wed, Oct 7	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Tue, Oct 6	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Mon, Oct 5	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Fri, Oct 2	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Thu, Oct 1	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Wed, Sep 30	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Tue, Sep 29	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Mon, Sep 28	$0.0096	0.00	0.0%	$0.0096	$0.0096	$0.0096	0
Fri, Sep 25	$0.0096	-0.019	-66.8%	$0.0096	$0.0096	$0.0096	500
Thu, Sep 24	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Wed, Sep 23	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Tue, Sep 22	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Mon, Sep 21	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Fri, Sep 18	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Thu, Sep 17	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Wed, Sep 16	$0.029	0.00	0.0%	$0.029	$0.029	$0.029	0
Tue, Sep 15	$0.029	+0.02	+214.1%	$0.029	$0.029	$0.029	340
Mon, Sep 14	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Fri, Sep 11	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Thu, Sep 10	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Wed, Sep 9	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Tue, Sep 8	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	1,000
Mon, Sep 7	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	1,000
Fri, Sep 4	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Thu, Sep 3	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Wed, Sep 2	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Tue, Sep 1	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	1,000
Mon, Aug 31	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Fri, Aug 28	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Thu, Aug 27	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Wed, Aug 26	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	1,000
Tue, Aug 25	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Mon, Aug 24	$0.0092	0.00	0.0%	$0.0092	$0.0092	$0.0092	0
Fri, Aug 21	$0.0092	+0.00	+2.2%	$0.0092	$0.0092	$0.0092	1,000
Thu, Aug 20	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Wed, Aug 19	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Tue, Aug 18	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Mon, Aug 17	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Fri, Aug 14	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Thu, Aug 13	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Wed, Aug 12	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Tue, Aug 11	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Mon, Aug 10	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Fri, Aug 7	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Thu, Aug 6	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Wed, Aug 5	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Tue, Aug 4	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Mon, Aug 3	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Fri, Jul 31	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0
Thu, Jul 30	$0.0090	0.00	0.0%	$0.0090	$0.0090	$0.0090	0

Ticker: OTC:PSCO
Asset type: Stock
Exchange: OTC
Currency: USD