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Offer Price for my stock not shown on quote and a subsequent sale higher than my offer
It depends on the way you have directed the order and the execution agreement you have signed with your broker. In case of DMA (direct market access) you would direct your order to the specific exchange - and that exchange would post your offer, assuming you did not tag it as hidden. However, if you just gave your order to the broker (be it via telephone, email or even online), they may not have to display your order to the market or chose which exchange to sell it on. It will also depend where the stock is listed. For most US listed and OTC stocks, regulation NMS applies where your order should have been executed against if it went to the exchanges. Check your account opening docs and agreements, particulary the execution agreement. In there it will tell you how your order should be treated. In case where the broker stipulates that you have DMA or that they will direct your order to Lit markets (public exchanges and not market making firms and dark-pools) then you may have a case - you would need to request information to whcih exchange your broker sent the order to. In case that you gave them discretion on routing of your order - read the fine print. The answer lies there. Regarding NBBO missing you quote as quantycuenta suggested above is also a possibility, however Reg NMS should take care of this. Do you have stock and date & time of your order?