1.   Both the tape association and Nasdaq require commercial vendors to apply different fee structures for market professionals, like brokerage houses, and for nonprofessional investors.

2.   The tape association generally charges a monthly fee for real-time quotes and dispenses the delayed quotes free.

3.   To encourage more people to use up-to-the-minute quotes, the tape association wants to supplement its current pricing plan with an alternative charge.

4.   The decision by the tape association will only affect investors who trade on its member exchanges.