Directional Flow
Price is lagging. Trend strength is coincident. The change in trend strength is leading. Directional Flow measures level and delta over 5, 21, and 63 days — surfaces momentum build-up and fade before the price reacts.
This week's flow
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Closelook vs standard benchmarks
Our functional indices next to the US and global headline indices. Shows at a glance where our theses (AI infrastructure, AI-neutral compounders, agentic winners) lead or lag the broad market.
Watch list
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Method
Level (trend strength): weighted linear regression on log prices over the last 252 trading days. More recent days carry heavier weight. The output is the annualized slope in percent — how strong and how persistent the trend is right now.
Flow (our leading layer): we compute the level not only today but also 5, 21, and 63 days ago. The delta (difference) is the leading indicator: positive = trend accelerating, negative = trend losing strength. Price usually reacts later.
Why Δ21 matters. Price is the slowest signal; trend strength is coincident; the change in trend strength is what leads. Δ21 = how much today's trend strength has changed over the last 21 trading days (about a month). A stock making new highs while Δ21 declines is decelerating — the price move is getting tired. A stock still in a downtrend with Δ21 turning up is an early-chance setup.
Four flow states: 🟢🟢 Accelerating-Up · 🟢🟡 Decelerating-Up (long warning) · 🟡🟢 Reversing-Up (early chance) · 🔴🔴 Accelerating-Down. The middle two states are the most valuable — they arrive before the actual price move.