Week of 15 March 2021: Bitcoin ends 2.75% down inside a 13.82% weekly swing
When a week ends down less than 3% but swings more than 13% within it, what does the small weekly loss actually measure, and what does it leave hidden about positioning?
BTC fell from 58,976.08 to 57,351.56 (-2.75%) and ETH from 1,848.1 to 1,782.98 (-3.52%). Both set their weekly highs at 04:00 UTC on Monday 15 March and their lows at 01:00 UTC on Tuesday 16 March, giving BTC a 13.82% range. Funding stayed positive all week, averaging 0.037% per eight hours for BTC.
What the data shows. The week moved down but not smoothly. BTC reached 60,633.43 at 04:00 UTC on Monday 15 March, then 53,271.34 at 01:00 UTC on Tuesday 16 March, before closing at 57,351.56. ETH traced the same path, from 1,891.76 to 1,711.68 and back to 1,782.98. The high came before the low in both assets. BTC's low-to-high range was 13.82% and ETH's 10.52%, while the week's return was only -2.75% for BTC and -3.52% for ETH. BTC closed 6.97% below its 52-week high and ETH 12.12% below its own. Realised volatility (how much price actually swung, expressed as a yearly figure) was 77.4% for BTC and 63.3% for ETH. Each asset settled in the middle third of its week range: 55.4% for BTC, 39.6% for ETH.
What it does not show. The candles record paths, not causes. Nothing here identifies who traded or why the Monday high turned into the Tuesday low. The small weekly return also hides the route: a -2.75% week can contain a 13.82% range and a 3.66% hour.
What a careful desk would check. BTC volume was 26.47 billion dollars, 1.01 times its prior twelve-week average, while ETH volume was 8.03 billion, 0.62 times its own. Quiet ETH volume with a 10.52% range is worth noting. BTC's largest hourly move was +3.66% in the hour starting 18:00 UTC on Wednesday 17 March; ETH's was -3.46% in the hour starting 00:00 UTC on Tuesday 16 March. The two assets moved closely overall (hourly correlation 0.84), but their largest hours differed in sign and timing, so single-asset hedges may not have matched.
Funding. Funding stayed positive at every reading. BTC averaged 0.037% per eight hours, with a high of 0.1052% and a low of 0.01%. ETH averaged 0.0464%, with a high of 0.1026% and a low of 0.01%. Long holders paid short holders throughout, while both prices ended lower.
What would change this reading
- If a later week trades below 53,271.34, the Tuesday low reads as a warning rather than the week's floor.
- If funding keeps averaging above 0.037% while BTC falls further, longs are paying to hold a position that is declining.
- If ETH keeps falling faster than BTC, the -0.79% ETH/BTC ratio move becomes a trend rather than one week's drift.
- If BTC volume rises well above 1.01 times its prior twelve-week average on another down week, the quiet volume here reads as a pause rather than balance.
Terms
- realised volatility
- how much the price actually swung over a period, expressed as a yearly percentage
- funding rate
- a regular payment between long and short holders of a perpetual futures contract; positive means longs pay shorts
- 52-week high
- the highest price recorded in the past 52 weeks, used as a reference point for how far a market has retreated