Building the histogram and reading the tallest bar
Split the session range into fixed ticks (for gold, 0.50 or 1.00 point buckets; for EURUSD, 1.0 pip; for NAS100, 2 to 5 points). Sum volume per bucket. POC = argmax(volume). Example: NAS100 regular-hours histogram, bucket 18,510-18,514 trades 42,800 contracts-equivalent, next highest 18,530s at 24,100. POC is 18,512 midpoint. A London gold session POC at 2,344.50 with 1.6x mean bucket volume is a stronger magnet than a flat histogram where the tallest bar is only 1.05x mean (no real POC, regime is migrating).
Developing versus settled POC: if the tallest bar migrates 30 NAS points in 20 minutes, wait. Settled POC is when the leader holds for a defined lookback (Venasri uses a stable-max test). Trading a still-migrating POC is chasing a moving target.
Two trades: fade back to POC, or break and accept beyond
XAUUSD: Asian POC 2,338.00, London displacement through 2,346 with volume shifting. New developing POC near 2,345 is the magnet now; fading back to 2,338 is counter-trend hope.
Account protection
When you buy an H1 demand OB, TP1 is often the session POC rather than a round number 80 points away. That is how 1.5R partials get filled on gold without needing a 4R miracle. Venasri Performance Analytics MFE versus distance-to-POC will tell you if you routinely hold through the magnet and give the open back. If median MFE sits at the POC while you exit at +0.4R, you are leaving the magnet on the table (disposition effect).
Risk when fading a POC magnet
POC fades need small R and a hard abort if price accepts (closes) through the POC against you. Venasri Risk Management & Equity Guard should treat a close through POC as an invalidation, not a "deeper value" add. start free on Venasri so Equity Guard still kills the day if a 13:30 NAS wick turns a 0.50% fade into a 2% hole while you argue with the histogram.
The next useful click after risk when fading a poc magnet is start free on Venasri, with Venasri Risk Management & Equity Guard calibrated to the same dollars, Venasri Performance Analytics open for the last 40 trades, and 24/7 MT5 Bot Control preventing a naked iOS market order.
