Sort:  

Your calculations seem to match up, I made a ton of money on them when the SBD price was rising, but yeah I'm more careful and selective now. Another reason is that some bots won't payout until the bidders make a loss (just found out about this, see a comment below) so check the auction history as well.

Coin Marketplace

STEEM 0.20
TRX 0.12
JST 0.027
BTC 64278.56
ETH 3504.01
USDT 1.00
SBD 2.54