How Zerodha calculate this WILLIAMS ACCUMULATION DISTRIBUTION (ACC DIST)

Zerodha Zerodha platforms
1

It doesn’t sync with
**A/D(t) = [((C – L) – (H – C)) / (H – L)] x Vol + A/D(t-1),

** where:
A/D(t) – current Accumulation/Distribution value;
A/D(t-1) – previous Accumulation/Distribution value;
H – current high;
L – current low;
C – close price;
Vol – volume.