it must first reach a high enough price, so when it is used to with ETH/TRX, it dumps slowly pumping ETH;
you can see a light candle forming for TRX/USD, you can see ETHBTC forming a similar one but not as defined but close behind
when you start seeing TRX move (it means ETH is preparing to launch, similar to LTC, you'll see doge move up (DOGE is what TRX is to ETH).
just dont ever fanboy/or bag hold this garbage, if your in profit, take it and wait for another opportunity. alts/tokens are literally playing an expensive game of hot potato, no one wants to hold the bags while everyone exited happily.
(the point was that trend in trx/usd is a signal for which price ethbtc will go , like dogebtc for ltcbtc)