Coupa Software (COUP) will ring the NASDAQ’s opening bell on Thursday by debuting at $18 per share. Initial estimates came to $14-$16 per share, but were hiked during the final stretch. By the time the shares actually began to trade on the exchange around 10:49AM, shares were already up +$19.00 to $37 per share. The stock is currently up +$15.18 per share or 83.43% at the time of this writing.Coupa represents another cloud-based IPO in a year where the IPO market has been soft. Coupa helps companies keep track of their own spending. Another 1,110,000 can be purchased from underwriting banks (Morgan Stanley, Barclays, JP Morgan, and RBC) should demand be sufficiently high.