Sort:  

You need to broadcast your witness first, telling the system you're up. Then you publish the price feed which is one of the parameters you set for your witness. To regularly publish the feed, you can use Conductor or Steemfeed-JS, respectively ran with python or nodejs, both multiplatform options.

Coin Marketplace

STEEM 0.18
TRX 0.16
JST 0.029
BTC 63788.21
ETH 2472.31
USDT 1.00
SBD 2.67