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GraniteShares YieldBOOST COIN ETF (COYY)
NASDAQ: COYY · Real-Time Price · USD
14.02
+0.34 (2.45%)
At close: Oct 9, 2026, 4:00 PM EDT
13.96
-0.05 (-0.39%)
After-hours: Oct 9, 2026, 7:41 PM EDT

COYY Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 9, 202613.7614.0613.7414.0214.022.43%18,355
Oct 8, 202614.0014.1113.8613.8613.68-1.91%175,157
Oct 7, 202614.2614.2614.1014.1313.95-2.21%26,123
Oct 6, 202614.5214.5514.4514.4514.26-13,992
Oct 5, 202614.4314.5014.4114.4514.260.84%17,546
Oct 2, 202614.6914.7714.3014.3314.15-1.38%71,705
Oct 1, 202614.6714.7814.6514.7114.34-0.07%30,316
Sep 30, 202615.2015.2214.7114.7214.35-1.57%26,378
Sep 29, 202615.0415.1514.9014.9614.58-0.57%18,690
Sep 28, 202615.0915.1415.0115.0414.67-0.36%18,707
Sep 25, 202615.1615.1615.0315.1014.72-0.53%16,749
Sep 24, 202615.2715.3615.2015.3614.800.46%36,563
Sep 23, 202615.2515.2915.2515.2914.730.07%17,678
Sep 22, 202615.2515.2815.2515.2814.720.13%12,881
Sep 21, 202615.3115.3115.2515.2614.700.07%18,298
Sep 18, 202615.1715.2515.1715.2514.691.06%41,925
Sep 17, 202615.1915.3015.0815.2814.541.41%38,420
Sep 16, 202615.5815.5815.0315.0714.34-2.90%50,956
Sep 15, 202615.7915.7915.4015.5114.76-1.68%27,190
Sep 14, 202615.5815.8315.5815.7815.021.02%16,066
Sep 11, 202615.6115.9015.6015.6214.86-0.12%21,164
Sep 10, 202615.7915.8515.7615.8314.88-0.57%28,868
Sep 9, 202615.9915.9915.9215.9214.970.13%7,162
Sep 8, 202615.9915.9915.8815.9014.95-0.50%19,064
Sep 4, 202616.0316.0315.9515.9815.02-0.17%42,904
Sep 3, 202616.1116.2416.1016.2015.051.19%49,169
Sep 2, 202616.0616.2615.9916.0114.87-0.93%11,404
Sep 1, 202616.3316.3316.1416.1615.01-1.67%13,826
Aug 31, 202616.2416.4416.1716.4415.271.07%26,392
Aug 28, 202616.5516.6216.1816.2615.11-2.22%23,190
Aug 27, 202616.7616.8716.6116.8415.450.90%20,631
Aug 26, 202616.6916.7016.6216.6915.31-0.06%8,424
Aug 25, 202616.6316.7016.5916.7015.320.48%17,780
Aug 24, 202616.7216.7316.6016.6215.25-0.39%15,827
Aug 21, 202616.6816.7516.5716.6915.310.26%40,419
Aug 20, 202616.9516.9516.7616.8515.270.58%24,703
Aug 19, 202616.5916.7616.5916.7515.181.69%20,534
Aug 18, 202616.5116.6016.4716.4714.93-0.69%6,271
Aug 17, 202616.4716.6016.4316.5915.030.60%19,688
Aug 14, 202616.6516.6516.4616.4914.94-1.20%18,870
Aug 13, 202616.7016.8916.6416.8915.121.10%18,082
Aug 12, 202616.6616.7316.5916.7114.960.73%15,585
Aug 11, 202616.5716.6616.4916.5814.850.20%14,917
Aug 10, 202616.6116.6716.5316.5514.82-0.78%16,916
Aug 7, 202616.5316.7016.5316.6814.931.26%21,102
Aug 6, 202616.7516.8416.6816.7114.75-1.10%31,358
Aug 5, 202617.0517.0516.8916.9014.91-0.77%17,709
Aug 4, 202616.8817.0516.8817.0315.030.76%13,148
Aug 3, 202616.8917.0416.8116.9014.91-0.38%17,205
Jul 31, 202617.3817.3816.8816.9614.97-3.58%26,277