CERT	The short sale volume percent (not short interest) for stock ticker CERT is 22% on Nov 07, 2025. The short sale volume is 1,150,708. The total volume is 5,131,855. The short sale volume percent is down -17% compare to Nov 06, 2025.

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Insider Buying

The Volume and short volume are limited. It is not including all volumes from all Market.
Date	Short Volume	Total Volume	Percent
2025-11-07	1,150,708	5,131,855	22%
2025-11-06	404,467	1,034,323	39%
2025-11-05	299,101	460,158	65%
2025-11-04	289,116	491,242	59%
2025-11-03	282,334	454,836	62%
2025-10-31	220,865	453,046	49%
2025-10-30	336,068	648,296	52%
2025-10-29	312,220	548,888	57%
2025-10-28	236,134	553,876	43%
2025-10-27	279,461	507,846	55%

Last 5 days short percent	32.03%
Last 10 days short percent	37.05%
Last 20 days short percent	44.45%
Last 50 days short percent	57.11%