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OBV
Syed Ibrahim Omer edited this page Apr 13, 2026
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1 revision
OBV is a cumulative volume indicator that adds volume on up closes and subtracts volume on down closes.
obv
For each row (t):
- if (close_t > close_{t-1}), add
volume - if (close_t < close_{t-1}), subtract
volume - else add 0
OBV is the cumulative sum of that signed volume.
OBV has no window parameter in the current implementation.
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