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Within PowerBI, I have a table with many stock tickers with weights, across many dates. I'm trying to calculate a day over day change but can't seem to create a calculated column and/or structure the data in way that let's me do so. The target is the column on the very right (the day over day difference) but I'm fine with calculating the PreviousDay column in an effort to obtain the difference more easily.
| Ticker | Date | Weight | PreviousDay | Difference from PreviousDay |
|---|---|---|---|---|
| AAPL | 2/11/2025 | 9.72% | 10.50% | -0.78% |
| CSX | 2/11/2025 | 5.32% | 4.00% | 1.32% |
| JNJ | 2/11/2025 | 1.88% | 2.00% | -0.12% |
| NKE | 2/11/2025 | 2.42% | 4.00% | -1.58% |
| AAPL | 2/10/2025 | 10.50% | 12.00% | -1.50% |
| CSX | 2/10/2025 | 4.00% | 6.00% | -2.00% |
| JNJ | 2/10/2025 | 2.00% | 5.00% | -3.00% |
| NKE | 2/10/2025 | 4.00% | 6.00% | -2.00% |
| AAPL | 2/7/2025 | 12.00% | ||
| CSX | 2/7/2025 | 6.00% | ||
| JNJ | 2/7/2025 | 5.00% | ||
| NKE | 2/7/2025 | 6.00% |
Within PowerBI, I have a table with many stock tickers with weights, across many dates. I'm trying to calculate a day over day change but can't seem to create a calculated column and/or structure the data in way that let's me do so. The target is the column on the very right (the day over day difference) but I'm fine with calculating the PreviousDay column in an effort to obtain the difference more easily.
| Ticker | Date | Weight | PreviousDay | Difference from PreviousDay |
|---|---|---|---|---|
| AAPL | 2/11/2025 | 9.72% | 10.50% | -0.78% |
| CSX | 2/11/2025 | 5.32% | 4.00% | 1.32% |
| JNJ | 2/11/2025 | 1.88% | 2.00% | -0.12% |
| NKE | 2/11/2025 | 2.42% | 4.00% | -1.58% |
| AAPL | 2/10/2025 | 10.50% | 12.00% | -1.50% |
| CSX | 2/10/2025 | 4.00% | 6.00% | -2.00% |
| JNJ | 2/10/2025 | 2.00% | 5.00% | -3.00% |
| NKE | 2/10/2025 | 4.00% | 6.00% | -2.00% |
| AAPL | 2/7/2025 | 12.00% | ||
| CSX | 2/7/2025 | 6.00% | ||
| JNJ | 2/7/2025 | 5.00% | ||
| NKE | 2/7/2025 | 6.00% |
Hoping my example makes sense but if not please let me know. Appreciate any help. Thanks.
Share Improve this question asked Feb 20 at 0:50 bigjdawg43bigjdawg43 1831 gold badge1 silver badge10 bronze badges1 Answer
Reset to default 0you can try this
PreviousDay2 =
VAR _last =
MAXX (
FILTER (
'Table',
'Table'[Ticker] = EARLIER ( 'Table'[Ticker] )
&& 'Table'[Date] < EARLIER ( 'Table'[Date] )
),
'Table'[Date]
)
RETURN
IF (
ISBLANK ( _last ),
BLANK (),
MAXX (
FILTER (
'Table',
'Table'[Ticker] = EARLIER ( 'Table'[Ticker] )
&& 'Table'[Date] = _last
),
'Table'[Weight]
)
)
difference =
IF (
ISBLANK ( 'Table'[PreviousDay2] ),
BLANK (),
'Table'[Weight] - 'Table'[PreviousDay2]
)
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