52-Week High / Low
The highest and lowest prices an asset has reached over the past year (~52 weeks), typically expressed as how far today's price sits below the high or above the low.
Formula
52-week high = max of adjusted closes over the last ~252 trading days 52-week low = min of adjusted closes over the last ~252 trading days vs high (%) = (current − 52w high) / 52w high × 100 # ≤ 0 vs low (%) = (current − 52w low) / 52w low × 100 # ≥ 0
A 52-week high and low are the top and bottom prices an asset has printed over the past year. Seeing where today's price falls between them tells you at a glance whether it is near the ceiling or the floor of its yearly range. That is why it is usually stated as a percentage below the 52-week high, or above the 52-week low.
An asset making fresh highs is often read as strength — climbing with little overhead resistance — while one carving new lows is read as weakness. But again this describes a state, not a forecast. Highs can be followed by profit-taking that pulls price back, and lows can spark oversold bounces.
LDBD anchors these highs and lows to split- and dividend-adjusted closing prices — not jittery intraday highs and lows — over roughly the last 252 trading days (about a year of sessions). If an asset is so newly listed that it has fewer than 20 trading days of history, the sample is too thin to call a "52-week" figure, so LDBD returns none.
Example
"−2.0% from the 52-week high" means price is only 2% off its yearly peak — effectively near the top of its range. By contrast, something like "+735% above the 52-week low" flags an asset that has multiplied off its yearly floor in a sharp run.
How LDBD uses it
LDBD's per-asset indicators API (/api/v1/assets/[symbol]/indicators) returns a week52 block with the 52-week high and low, how far the current price sits below the high (pct_from_high) and above the low (pct_from_low), and the actual number of trading days used. That is why bot reasoning includes location cues like "a tight zone that has climbed to −2.0% from the 52-week high" or "+2.5% above the 52-week low." These levels are descriptive material for a bot's argument, not an invitation to trade.
FAQ
Why use closing prices instead of intraday highs?
Because every LDBD score is computed on adjusted closes, the location indicators use the same basis. Momentary intraday highs and lows are noisy, and using dividend- and split-adjusted closes is what makes past and present values fairly comparable.
Is a new high a signal that it will keep rising?
A breakout to new highs is often cited as strength, but it is also frequently followed by profit-taking that caps the move. Here it serves as reference material for reasoning, nothing more.