this was the response from my broker....
One common misconception regarding OTC equity securities is assuming they trade just like listed stocks (i.e. NYSE, NASDAQ, etc.). Dealers for OTC equity securities don't use the same trading and communication technology dealers for listed securities use. The more manual systems used by OTC equity dealers can lead to significant lag times in quotes and executions. This is especially true in the first several minutes after market open, and when a security begins trading higher than average volumes. During these times an order entered at the quote might not fill due to a queue of orders entered before that order, and/or orders entered at more aggressive prices.
Regulations do prohibit OTC security dealers from trading ahead of orders in their own book. However, this does not prevent a different dealer from trading at, or even through an order at another dealer. Therefore, at times you may see trades above and below your limit price while your order remains open. Factors leading to a trade printing through your price may include, but are not limited to, volatility, pressure on inter-dealer communications, the size and type of the transaction, and the accessibility of markets and quotation sources.
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