Solana ran further than Bitcoin. RSI says the opposite.BTCUSDT Perpetual ContractBYBIT:BTCUSDT.PSignalPilotLabsBitcoin and Solana have spent the last twenty four-hour bars doing the same thing. Their returns over the last ninety bars correlate at 0.885, with Ethereum sitting between them at 0.797 and 0.844. That is about as close as three separate instruments get. We read it as one exposure rather than three setups, which is a sizing decision before it is anything else. Then we did the obvious sanity check. We put a plain fourteen period RSI on both charts, same timeframe, same closed bar, and asked whether the most widely used indicator in the world agreed with how we were reading it. It put them the wrong way round. The one that travelled further scores lower Solana moved plus 11.91 percent over those twenty bars and reads 78.58. Bitcoin moved plus 10.79 percent and reads 86.27. The one that covered more ground scores nearly eight points below the one that covered less. That is not one odd candle. Recomputed at each of the last twelve closed bars, it held on all twelve. Both sit well above seventy, which the textbook calls overbought. Read plainly, that says Bitcoin is the more stretched of the two. It moved less. Why that happens, and it is not a fault in the indicator RSI is a ratio of average gain to average loss over fourteen bars. It was never a measure of how far price went. Solana's average up bar is 0.745 percent and its average down bar is 0.203 percent, a ratio of 3.669. Bitcoin's average up bar is smaller at 0.571 percent, but its average down bar is far smaller at 0.091 percent, less than half of Solana's, and the ratio is 6.284. The ratio is what the indicator reads, and the ratio is what separates them. Bitcoin ground higher in small clean steps. Solana covered more ground and gave more of it back along the way. The indicator is answering a question about the smoothness of the path. We were asking about the size of the move. Both answers are correct. Only one of them is the question we asked. There are three ways a cross-check can disagree with you Your read is wrong. The tool is wrong. Or the tool is answering a different question than the one you asked. The third is the most common and by far the easiest to miss, because from the outside a disagreement of the third kind looks exactly like information. It carries a number, the number is correct, and the number is about something else. This one is the third kind. Nothing here says Bitcoin is extended or that Solana is not. It says that if you had sorted these two by an oscillator you would have sorted them by how smooth the ride was, and then acted as though you had sorted them by how far they had run. Run it on yours Take two instruments you already believe are one move, and check that belief with a correlation rather than an impression. Then put a standard oscillator on both, same timeframe, same closed bar. Rank them by the oscillator. Rank them by the actual move. If the two rankings disagree, do not reach for which one is right. Work out what each is made of. Here one of them is a ratio of average gain to average loss, and once you know that, the disagreement stops being a signal and becomes a definition. The caveats, in full One timeframe, one closed bar, two instruments with a third for context. This is not a measurement of whether RSI predicts anything and there is no edge claimed here. It is also perishable, and that is worth saying out loud. An earlier cut of this post rested on a clean three way ordering across Bitcoin, Ethereum and Solana where the ranking reversed exactly. Twelve hours later Bitcoin had run and that ordering was gone, while the Solana and Bitcoin pair held. A reading is a photograph, not a law. Check the date on it, including this one. Every figure above comes off a free chart in about two minutes. Observations, not recommendations.