why hasnt sirius radio stock gone up with all the new subscriptions?

not if you can't profitably add and retain those subscribers. In other words if it costs me $200 to convice someone to subscribe and I'm only making $190 off the subscription, I'm losing $10 per subscriber. Sirius does not have the necessary economies of scale yet. A merger with XM would be very beneficial to both companies

This company and XM satellite is still losing a lot of money. Sirius has paid a lot to build its programming and attract and hopefully retain subscribers. Howard got a lot of stock options for his move to Sirius and has cashed out quite abit as well. I think he's been good for Sirius and creating a lot of momentum for the stock. But the company is still loosing a lot of money. It's still a speculative play and I think investors are becoming weary and want to see profits, or at least very fast growth in subscribers and subscriber retention. But even with about $523 Million in sales, it's posted a net loss of -1.17 Billion. (for every dollar it makes in sales, it's losing $2) With debt of about 1 Billion and 358 Million in cash, how much longer will Sirius last before it makes a profit or go more into debt to finance its operations. Also it has about 1.41B shares oustanding, which I think is a negative for its ability to appreciate in value. Also, its financials looks pretty bad. So speculate in this one sparingly. Also why it's not going up is the market (investor) sentiment about this stock.. Sometimes it's illogical on investor's effect on a stock, but in this case, I think investors are wary of Sirius becoming a serious hole in their portolio. :)