What he is referring to is that when the split happens it will trade under frtzd for 30 days indicating a split just occured.
Also, typically as soon as the split happens your shares will not be tradeable for 2-5 days depending on the broker. It is often during these first few days post where you can see a lot of downward pressure and not much buying and you will not be able to sell until the dust settles
Much of what is posted should not be believed but this is true of all splits on the OTC
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