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NASDAQ:KEYY Keystone Acquisition Corp. Stock

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Share price · NASDAQ:KEYY

$9.92 USD 0.00 (0.0%)

Close on Oct 30, 2026

Past 3 months 0.0% · daily closes, Jun 22, 2026 – Oct 30, 2026, adjusted for splits

Day range: $9.92 – $9.95 USDOct 30, 2026
Volume: 900 sharesOct 30, 2026
Market cap: $380.3M USDAt the close on Oct 30, 2026 · price × 38.33M shares outstanding
Traded on an average day: $826,982 USDMedian day 1,850 shares · 13 days with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026

Prices by listing

Listing	Last	Change	Volume	Open	High	Low	Previous close	Price from
NASDAQ:KEYY · Home	$9.92 USD	0.00 (0.0%)	900	$9.95	$9.95	$9.92	$9.92	Close on Oct 30, 2026
NASDAQ:KEYYU	$10.05 USD	0.00 (0.0%)	—	$10.05	$10.05	$10.05	$10.05	Close on Oct 27, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:KEYY · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Fri, Oct 30	$9.92	0.00	0.0%	$9.95	$9.95	$9.92	900
Thu, Oct 29	$9.92	0.00	0.0%	$9.92	$9.93	$9.92	7,600
Wed, Oct 28	$9.92	0.00	0.0%	$9.92	$9.92	$9.92	57
Tue, Oct 27	$9.92	0.00	0.0%	$9.93	$9.93	$9.91	19,400
Mon, Oct 26	$9.92	+0.01	+0.1%	$9.91	$9.92	$9.91	7,200
Fri, Oct 23	$9.91	-0.04	-0.4%	$9.93	$9.93	$9.91	1,371,700
Thu, Oct 22	$9.95	0.00	0.0%	$9.95	$9.95	$9.95	92
Wed, Oct 21	$9.95	0.00	0.0%	$9.95	$9.95	$9.95	0
Tue, Oct 20	$9.95	0.00	0.0%	$9.95	$9.95	$9.95	300
Mon, Oct 19	$9.95	0.00	0.0%	$9.95	$9.95	$9.95	0
Fri, Oct 16	$9.95	+0.02	+0.2%	$9.95	$9.95	$9.95	300
Thu, Oct 15	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	3,300
Wed, Oct 14	$9.93	0.00	0.0%	$9.93	$9.93	$9.92	114,500
Tue, Oct 13	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	84
Mon, Oct 12	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	79,000
Fri, Oct 9	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	55
Thu, Oct 8	$9.93	0.00	0.0%	$9.95	$9.95	$9.93	95,100
Wed, Oct 7	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	53
Tue, Oct 6	$9.93	0.00	0.0%	$9.93	$9.93	$9.93	30
Mon, Oct 5	$9.93	-0.02	-0.2%	$9.93	$9.93	$9.93	8,200
Fri, Oct 2	$9.95	+0.03	+0.3%	$9.95	$9.95	$9.95	200
Thu, Oct 1	$9.92	-0.03	-0.3%	$9.92	$9.92	$9.92	81,000
Wed, Sep 30	$9.95	+0.03	+0.3%	$9.92	$9.95	$9.92	10,700
Tue, Sep 29	$9.92	0.00	0.0%	$9.92	$9.92	$9.92	104
Mon, Sep 28	$9.92	+0.01	+0.1%	$9.92	$9.92	$9.91	1,900
Fri, Sep 25	$9.91	0.00	0.0%	$9.91	$9.91	$9.91	95
Thu, Sep 24	$9.91	0.00	0.0%	$9.91	$9.91	$9.91	50,300
Wed, Sep 23	$9.91	0.00	0.0%	$9.91	$9.91	$9.91	57,000
Tue, Sep 22	$9.91	0.00	0.0%	$9.90	$9.91	$9.90	3,700
Mon, Sep 21	$9.91	0.00	0.0%	$9.90	$9.91	$9.90	1,200
Fri, Sep 18	$9.91	0.00	0.0%	$9.92	$9.92	$9.90	800
Thu, Sep 17	$9.91	-0.01	-0.1%	$9.91	$9.91	$9.91	653,600
Wed, Sep 16	$9.92	+0.01	+0.1%	$9.92	$9.92	$9.92	200
Tue, Sep 15	$9.91	0.00	0.0%	$9.91	$9.91	$9.90	227,700
Mon, Sep 14	$9.91	+0.01	+0.1%	$9.92	$9.92	$9.91	50,300
Fri, Sep 11	$9.90	0.00	0.0%	$9.90	$9.90	$9.90	0
Thu, Sep 10	$9.90	-0.01	-0.1%	$9.91	$9.91	$9.90	52,400
Wed, Sep 9	$9.91	0.00	0.0%	$9.91	$9.91	$9.91	0
Tue, Sep 8	$9.91	-0.01	-0.1%	$9.90	$9.92	$9.90	491,600
Fri, Sep 4	$9.92	0.00	0.0%	$9.92	$9.92	$9.92	0
Thu, Sep 3	$9.92	0.00	0.0%	$9.92	$9.92	$9.92	0
Wed, Sep 2	$9.92	+0.02	+0.2%	$9.90	$9.92	$9.90	291,200
Tue, Sep 1	$9.90	0.00	0.0%	$9.90	$9.90	$9.90	500,000
Mon, Aug 31	$9.90	0.00	0.0%	$9.92	$9.92	$9.89	251,900
Fri, Aug 28	$9.90	0.00	0.0%	$9.90	$9.90	$9.90	22,900
Thu, Aug 27	$9.90	+0.01	+0.1%	$9.86	$9.90	$9.86	10,100
Wed, Aug 26	$9.89	+0.01	+0.1%	$9.89	$9.89	$9.89	139,000
Tue, Aug 25	$9.88	-0.02	-0.2%	$9.86	$9.89	$9.86	56,700
Mon, Aug 24	$9.90	+0.02	+0.2%	$9.90	$9.90	$9.90	500
Fri, Aug 21	$9.88	0.00	0.0%	$9.88	$9.88	$9.88	4,600
Thu, Aug 20	$9.88	0.00	0.0%	$9.88	$9.88	$9.88	0
Wed, Aug 19	$9.88	0.00	0.0%	$9.88	$9.88	$9.88	0
Tue, Aug 18	$9.88	0.00	0.0%	$9.88	$9.88	$9.88	1,800
Mon, Aug 17	$9.88	-0.01	-0.1%	$9.88	$9.88	$9.88	211,500
Fri, Aug 14	$9.89	+0.01	+0.1%	$9.90	$9.90	$9.89	600
Thu, Aug 13	$9.88	+0.01	+0.1%	$9.88	$9.89	$9.88	72,500
Wed, Aug 12	$9.87	+0.02	+0.2%	$9.88	$9.88	$9.86	521,900
Tue, Aug 11	$9.85	0.00	0.0%	$9.85	$9.85	$9.85	0
Mon, Aug 10	$9.85	0.00	0.0%	$9.85	$9.85	$9.85	0
Fri, Aug 7	$9.85	0.00	0.0%	$9.85	$9.85	$9.85	0
Thu, Aug 6	$9.85	-0.02	-0.2%	$9.88	$9.88	$9.84	28,900
Wed, Aug 5	$9.87	0.00	0.0%	$9.87	$9.87	$9.87	0
Tue, Aug 4	$9.87	+0.01	+0.1%	$9.87	$9.87	$9.87	5,000
Mon, Aug 3	$9.86	0.00	0.0%	$9.86	$9.86	$9.86	0
Fri, Jul 31	$9.86	-0.02	-0.2%	$9.84	$9.88	$9.84	1,200
Thu, Jul 30	$9.88	+0.03	+0.3%	$9.88	$9.88	$9.88	100

Ticker: NASDAQ:KEYY
Asset type: Stock
Exchange: NASDAQ
Currency: USD

Where Keystone Acquisition Corp. is listed

Listing	Exchange	Country	Currency
NASDAQ:KEYY · Home listing · This page	NASDAQ	United States	USD
NASDAQ:KEYYU	NASDAQ	United States	USD