No. You pay 50 bucks (in this case) for a SB ticket - if the Texans make the Super Bowl. That's it. If they don't make it, you lose your $50. (that's the way I understand it)
I haven't looked at the prices but I would expect that as the odds for your team reaching the SB get better, the cost for the IPO/forward goes up. I doubt that forwards for teams like the Colts or NE are even available for much less than the face value of a SB ticket.
This kind of stuff is similar to game shows and casinos. The guys behind this use statistical modeling techniques so they know exactly the probability of win/fail with each team and they set these prices accordingly. They know what to offer and when - kind of like Deal or No Deal - based on probability of win/lose.
If you have an extra $50 that you can do without, it's not a bad bet but only if you really think your team can make some noise in the playoffs. Otherwise that $50 could buy about six or seven 6-packs of St. Arnold's Texas Wheat or Shiner Bock or a tank of gas. Your call.