we need to pay more attention on DEX, DEX is decentralized and more transparent than CEX, and BTS/bitCNY pair in DEX has the biggest BTS volume on the earth, it's easy to do bitCNY/fiat CNY conversion, DEX price should be the base reference for CNY price feeding.
the margin call rule is designed to release risk in time, not to provide chance for shorters to make profit, if there are too much chances for shorters, shorters will take the money from longers and keep on shorting, this will hurt the whole ecosystem, the suggestion is not to change the basic logic of a financial system with leverage, but to provide more convenience to longers, and then give more power for the ecosystem to grow.
within "the highest price" model, shorters can also short, but need to pull down the prices in all the involved exchanges and then can make the feed price down, and debt positions are protected from targeting activities or unusual events, all this encourages longers.
and this will help to make DEX the main long-short the war field, this also benefit the field.
recently CNY are in high devaluation expectation, in DEX the bitUSD/bitCNY ratio are alway higher than 7, but the bitUSD/bitCNY fee price ratio are still always lower than 6.88, clearly many witness still use the officially published USD/CNY ratio to do price conversion, but this is far from market reality and the algorithm need to be upgraded.
to speed up the upgrade of price feeding, proxy bitcrab begin to unvote the witness that behave unsatisfactory in price feeding.
in current check point, DEX latest BTS price:0.766bitCNY, bitCNY premium 7.3%, reference price:0.822 CNY.
the median feed price is 0.8087 at the point, please don't say "my price is close to the median so works well" , the median price is not good now and what we try to do is to change this.
delegate-1.lafona always feed too low price in the recent several check, so now proxy bitcrab unvote the witness temporarily.
magicwallet is planning to provide a feed price monitor page, to show data from each witness in a candle chart, then it will be easy to see which witness provide good price feeding and which does not.