how often have you checked each of your pending transactions in the GE? Has the price changed? NO MORE! With GE Traffic Lights you can instantly see if your price is right.
Now, the top line of each transaction gives instant feed-back:
1 - Sell or 1 - Buy
Price is set to the GE mid price.
1 - Sell or 1 - Buy
Unlikely to transact because buy is below GE price or sell is above GE price.
1 - Sell or 1 - Buy
Likely to transact because buy is above GE or sell is below GE.
OK Jagex code writers, I've done the thinkin' bit, now you do the coding bit. Get back to work.