Keystone Acquisition Stock Price History

NASDAQ: KEYYFinanceBlank ChecksUSD

9.930.00 (0.00%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

KEYY price history at a glance

The price history for Keystone Acquisition (KEYY) on this page begins on June 22, 2026, when the stock closed at $9.86; it most recently closed at $9.93 on October 5, 2026. The highest price in this record is $10.00, reached on June 22, 2026; the latest close is 0.7% below that peak. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.

Summary generated from market data by MetaCap's automated system. Methodology

Key price levels

High since 2026: $10.00
Date of high: Jun 22, 2026
Low since 2026: $9.84
Date of low: Jul 6, 2026
52-week high: $10.00
52-week low: $9.84
IPO year: 2026
Last close: $9.93

KEYY returns

1 week

+0.10%

1 month

+0.20%

3 months

+0.30%

KEYY price return, excluding dividends.

KEYY daily prices (past year)

Daily open, high, low, close and volume
Date	Open	High	Low	Close	Change	Volume
Oct 8, 2026	9.95	9.95	9.93	9.93	0.00%	95.13K
Oct 6, 2026	9.93	9.93	9.93	9.93	0.00%	0
Oct 5, 2026	9.93	9.93	9.93	9.93	-0.20%	8.20K
Oct 2, 2026	9.95	9.95	9.95	9.95	+0.30%	200
Oct 1, 2026	9.92	9.92	9.92	9.92	-0.30%	81.00K
Sep 30, 2026	9.92	9.95	9.92	9.95	+0.30%	10.70K
Sep 29, 2026	9.92	9.92	9.92	9.92	0.00%	0
Sep 28, 2026	9.92	9.92	9.91	9.92	+0.10%	1.90K
Sep 25, 2026	9.91	9.91	9.91	9.91	0.00%	0
Sep 24, 2026	9.91	9.91	9.91	9.91	0.00%	50.30K
Sep 23, 2026	9.91	9.91	9.91	9.91	0.00%	57.00K
Sep 22, 2026	9.90	9.91	9.90	9.91	0.00%	3.70K
Sep 21, 2026	9.90	9.91	9.90	9.91	0.00%	1.20K
Sep 18, 2026	9.92	9.92	9.90	9.91	0.00%	800
Sep 17, 2026	9.91	9.91	9.91	9.91	-0.10%	653.60K
Sep 16, 2026	9.92	9.92	9.92	9.92	+0.10%	200
Sep 15, 2026	9.91	9.91	9.90	9.91	0.00%	227.70K
Sep 14, 2026	9.92	9.92	9.91	9.91	+0.10%	50.30K
Sep 11, 2026	9.90	9.90	9.90	9.90	0.00%	0
Sep 10, 2026	9.91	9.91	9.90	9.90	-0.10%	52.40K
Sep 9, 2026	9.91	9.91	9.91	9.91	0.00%	0
Sep 8, 2026	9.90	9.92	9.90	9.91	-0.10%	491.60K
Sep 4, 2026	9.92	9.92	9.92	9.92	0.00%	0
Sep 3, 2026	9.92	9.92	9.92	9.92	0.00%	0
Sep 2, 2026	9.90	9.92	9.90	9.92	+0.20%	291.20K
Sep 1, 2026	9.90	9.90	9.90	9.90	0.00%	500.00K
Aug 31, 2026	9.92	9.92	9.89	9.90	0.00%	251.90K
Aug 28, 2026	9.90	9.90	9.90	9.90	0.00%	22.90K
Aug 27, 2026	9.86	9.90	9.86	9.90	+0.10%	10.10K
Aug 26, 2026	9.89	9.89	9.89	9.89	+0.10%	139.00K
Aug 25, 2026	9.86	9.89	9.86	9.88	-0.20%	56.70K
Aug 24, 2026	9.90	9.90	9.90	9.90	+0.20%	500
Aug 21, 2026	9.88	9.88	9.88	9.88	0.00%	4.60K
Aug 20, 2026	9.88	9.88	9.88	9.88	0.00%	0
Aug 19, 2026	9.88	9.88	9.88	9.88	0.00%	0
Aug 18, 2026	9.88	9.88	9.88	9.88	0.00%	1.80K
Aug 17, 2026	9.88	9.88	9.88	9.88	-0.10%	211.50K
Aug 14, 2026	9.90	9.90	9.89	9.89	+0.10%	600
Aug 13, 2026	9.88	9.89	9.88	9.88	+0.10%	72.50K
Aug 12, 2026	9.88	9.88	9.86	9.87	+0.20%	521.90K
Aug 11, 2026	9.85	9.85	9.85	9.85	0.00%	0
Aug 10, 2026	9.85	9.85	9.85	9.85	0.00%	0
Aug 7, 2026	9.85	9.85	9.85	9.85	0.00%	0
Aug 6, 2026	9.88	9.88	9.84	9.85	-0.20%	28.90K
Aug 5, 2026	9.87	9.87	9.87	9.87	0.00%	0
Aug 4, 2026	9.87	9.87	9.87	9.87	+0.10%	5.00K
Aug 3, 2026	9.86	9.86	9.86	9.86	0.00%	0
Jul 31, 2026	9.84	9.88	9.84	9.86	-0.20%	1.20K
Jul 30, 2026	9.88	9.88	9.88	9.88	+0.30%	100
Jul 29, 2026	9.87	9.87	9.85	9.85	0.00%	2.50K
Jul 28, 2026	9.86	9.86	9.85	9.85	-0.10%	2.50K
Jul 27, 2026	9.86	9.86	9.86	9.86	0.00%	700
Jul 24, 2026	9.85	9.88	9.85	9.86	-0.10%	2.20K
Jul 23, 2026	9.87	9.87	9.87	9.87	0.00%	0
Jul 22, 2026	9.87	9.87	9.87	9.87	0.00%	0
Jul 21, 2026	9.87	9.87	9.87	9.87	0.00%	0
Jul 20, 2026	9.86	9.88	9.85	9.87	+0.10%	6.10K
Jul 17, 2026	9.86	9.86	9.86	9.86	0.00%	0
Jul 16, 2026	9.86	9.86	9.86	9.86	0.00%	1.80K
Jul 15, 2026	9.86	9.86	9.86	9.86	-0.10%	100
Jul 14, 2026	9.86	9.88	9.86	9.87	0.00%	1.40K
Jul 13, 2026	9.87	9.87	9.87	9.87	0.00%	700
Jul 10, 2026	9.87	9.87	9.85	9.87	-0.30%	87.20K
Jul 9, 2026	9.84	9.90	9.84	9.90	+0.30%	63.40K
Jul 8, 2026	9.86	9.87	9.86	9.87	0.00%	1.14M
Jul 7, 2026	9.86	9.89	9.86	9.87	-0.10%	1.50K
Jul 6, 2026	9.90	9.90	9.87	9.88	0.00%	1.20K
Jul 2, 2026	9.86	9.88	9.86	9.88	0.00%	1.00K
Jul 1, 2026	9.86	9.88	9.86	9.88	+0.20%	179.70K
Jun 30, 2026	9.86	9.87	9.86	9.86	0.00%	839.50K
Jun 29, 2026	9.88	9.88	9.86	9.86	0.00%	109.00K
Jun 26, 2026	9.87	9.87	9.86	9.86	-0.10%	2.60K
Jun 25, 2026	9.88	9.88	9.86	9.87	0.00%	110.00K
Jun 24, 2026	9.89	9.89	9.87	9.87	-0.10%	382.10K
Jun 23, 2026	9.88	9.89	9.88	9.88	-0.40%	9.30K
Jun 22, 2026	10.00	10.00	9.88	9.92	—	24.10K

Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the KEYY chart for longer ranges.